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The Ultimate Guide to One Way Bearings

When we drive a car or ride a bicycle, we often feel a special force that allows us to move forward easily without excessive effort. This magical power is provided by one way bearings. One way bearing is an important mechanical component that plays a key role in many fields. In general, the design and functions of one-way bearings make them widely used in various mechanical equipment. For example, in conveyor systems, one-way bearings can prevent equipment from rotating in the opposite direction and ensure normal operation of the equipment. Another example is that in some mechanical structures that require one-way rotation, one way bearings can also play an important supporting role. In addition, one-way bearings are often used in wheel hubs of cars, motorcycles and other vehicles to ensure the normal operation of tires.

Table of Contents

What are one way bearings?

A one way bearing (one-way clutch bearing) is a special mechanical part whose main function is to allow the bearing to rotate freely in one direction and prevent rotation in the other direction. The structure and working principle of one-way bearings are quite unique. This kind of bearing usually contains inner ring, outer ring, rolling elements and cage. Among them, rolling elements are installed between the inner and outer rings. These rolling elements play a role in reducing friction and supporting loads when the bearing rotates. The cage is used to maintain the distance between the rolling elements and ensure their smooth operation. The characteristic of one-way bearings is that they are designed with a bevel or cam mechanism, which allows the bearing to roll freely when rotating in one direction, but cannot rotate in the other direction due to the obstruction of the bevel or cam mechanism. One way bearings generally use GCr15 bearing steel. The hardness after heat treatment is HRC61-65. The bearing is small in size and has high load-bearing capacity. It has enough space to store grease and can have a long re-lubrication interval.

Types of one way bearings

The advantages of one-way bearings mainly include simple structure, convenient installation, the ability to easily realize free rotation, and the perfect solution to the problem of rotation reversal. These advantages make one way bearings extremely reliable and safe. One-way bearing is a kind of bearing specially designed to bear one-way load. It can prevent the shaft from going backwards or sliding while running in one direction. It is simple, compact and efficient. The working principle of one-way bearings is to utilize the rolling motion of rolling elements between the inner diameter and outer diameter of the bearing to achieve one-way rotation or advancement. Let’s take a look at the types of one-way bearings.

One way thrust ball bearing

One way thrust ball bearing is a bearing used to carry one-way thrust load. It is characterized by a simple structure and can withstand large thrust. It consists of an outer diameter ball, an inner diameter ball, a centrifugal ring, a spring and a seat. The outer diameter ball has grooves in two directions, the inner diameter ball is a spherical surface, and the centrifugal ring is circular and can maintain its degree of freedom. Its working principle is that during transmission, the outer diameter ball will be pushed into the groove, and due to the force of the spring, its outer diameter groove will be located on one side of the groove, thereby achieving one-way rotation or advancement.

Part Number	Seal Type	Bore Dia	Outer Dia	Height	Washer Material	Dynamic Thrust Load	Static Thrust Load	Weight
510/1000 M	Open	1000 mm	1090 mm	70 mm	52100 Chrome Steel	128591 lbf	1236449 lbf	68.5 kg
510/1060 M	Open	1060 mm	1150 mm	70 mm	52100 Chrome Steel	128591 lbf	1315132 lbf	72.5 kg
510/500 F	Open	500 mm	540 mm	30 mm	52100 Chrome Steel	299 lbf	251786 lbf	6.55 kg
510/530 F	Open	530 mm	580 mm	38 mm	52100 Chrome Steel	45636 lbf	359694 lbf	11 kg
510/560 F	Open	560 mm	610 mm	38 mm	52100 Chrome Steel	45636 lbf	373183 lbf	11.5 kg
510/600 F	Open	600 mm	650 mm	38 mm	52100 Chrome Steel	47659 lbf	404656 lbf	12 kg
510/630 F	Open	630 mm	680 mm	38 mm	52100 Chrome Steel	49683 lbf	433881 lbf	12.5 kg
510/710 F	Open	710 mm	780 mm	53 mm	52100 Chrome Steel	80482 lbf	640705 lbf	28 kg
510/750 F	Open	750 mm	820 mm	53 mm	52100 Chrome Steel	8183 lbf	685667 lbf	30 kg
510/800 F	Open	800 mm	870 mm	53 mm	52100 Chrome Steel	83404 lbf	719389 lbf	32.5 kg
510/850 M	Open	850 mm	920 mm	53 mm	52100 Chrome Steel	84753 lbf	775591 lbf	34.5 kg
510/900 M	Open	900 mm	980 mm	63 mm	52100 Chrome Steel	118474 lbf	1101564 lbf	49 kg
510/950 M	Open	950 mm	1080 mm	63 mm	52100 Chrome Steel	121397 lbf	1146526 lbf	52 kg
51080 F	Open	400 mm	440 mm	30 mm	52100 Chrome Steel	27876 lbf	202328 lbf	5.35 kg
51084 F	Open	420 mm	460 mm	30 mm	52100 Chrome Steel	28101 lbf	197832 lbf	5.6 kg
51088 F	Open	440 mm	480 mm	30 mm	52100 Chrome Steel	28551 lbf	2057 lbf	5.85 kg
51092 F	Open	460 mm	500 mm	30 mm	52100 Chrome Steel	29225 lbf	233801 lbf	6.4 kg
51096 F	Open	480 mm	520 mm	30 mm	52100 Chrome Steel	299 lbf	224809 lbf	6.5 kg
511/1000 F	Open	1000 mm	1180 mm	140 mm	52100 Chrome Steel	298996 lbf	2967478 lbf	275 kg
511/1060 M	Open	1060 mm	1250 mm	150 mm	52100 Chrome Steel	321477 lbf	3372134 lbf	330 kg
511/1120 F	Open	1120 mm	1320 mm	160 mm	52100 Chrome Steel	343958 lbf	3664386 lbf	395 kg
511/1180 F	Open	1180 mm	1400 mm	175 mm	52100 Chrome Steel	40016 lbf	4496179 lbf	495 kg
511/1400 F	Open	1400 mm	1630 mm	180 mm	52100 Chrome Steel	409152 lbf	4945797 lbf	665 kg
511/500 F	Open	500 mm	600 mm	80 mm	52100 Chrome Steel	124319 lbf	809312 lbf	47 kg
511/530 F	Open	530 mm	640 mm	85 mm	52100 Chrome Steel	146126 lbf	989159 lbf	58.5 kg
511/560 F	Open	560 mm	670 mm	85 mm	52100 Chrome Steel	146126 lbf	1045362 lbf	61 kg
511/600 F	Open	600 mm	710 mm	85 mm	52100 Chrome Steel	149048 lbf	1079083 lbf	65 kg
511/630 F	Open	630 mm	750 mm	95 mm	52100 Chrome Steel	163661 lbf	1213968 lbf	84 kg
511/670 F	Open	670 mm	800 mm	105 mm	52100 Chrome Steel	191537 lbf	150622 lbf	105 kg
511/670 M	Open	670 mm	800 mm	105 mm	52100 Chrome Steel	191537 lbf	150622 lbf	105 kg
511/710 F	Open	710 mm	850 mm	112 mm	52100 Chrome Steel	210421 lbf	1719788 lbf	130 kg
511/750 M	Open	750 mm	900 mm	120 mm	52100 Chrome Steel	227057 lbf	1944597 lbf	155 kg
511/850 F	Open	850 mm	1000 mm	120 mm	52100 Chrome Steel	238297 lbf	2135685 lbf	165 kg
511/900 F	Open	900 mm	1060 mm	130 mm	52100 Chrome Steel	251786 lbf	2338013 lbf	205 kg
511/900 M	Open	900 mm	1060 mm	130 mm	52100 Chrome Steel	251786 lbf	2338013 lbf	213 kg
511/950 F	Open	950 mm	1120 mm	135 mm	52100 Chrome Steel	298996 lbf	2697707 lbf	235 kg
51100	Open	10 mm	24 mm	9 mm	52100 Chrome Steel	1958 lbf	2743 lbf	0.02 kg
51101	Open	12 mm	26 mm	9 mm	52100 Chrome Steel	2338 lbf	3732 lbf	0.022 kg
51102	Open	15 mm	28 mm	9 mm	52100 Chrome Steel	2383 lbf	4114 lbf	0.023 kg
51103	Open	17 mm	30 mm	9 mm	52100 Chrome Steel	2563 lbf	4766 lbf	0.025 kg
51104	Open	20 mm	35 mm	10 mm	52100 Chrome Steel	3395 lbf	6519 lbf	0.037 kg
51105	Open	25 mm	42 mm	11 mm	52100 Chrome Steel	4092 lbf	8768 lbf	0.056 kg
51106	Open	30 mm	47 mm	11 mm	52100 Chrome Steel	4271 lbf	9667 lbf	0.063 kg
51107	Open	35 mm	52 mm	12 mm	52100 Chrome Steel	4474 lbf	11465 lbf	0.08 kg
51108	Open	40 mm	60 mm	13 mm	52100 Chrome Steel	5733 lbf	14163 lbf	0.12 kg
51109	Open	45 mm	65 mm	14 mm	52100 Chrome Steel	5957 lbf	15624 lbf	0.14 kg
51110	Open	50 mm	70 mm	14 mm	52100 Chrome Steel	607 lbf	16861 lbf	0.16 kg
51111	Open	55 mm	78 mm	16 mm	52100 Chrome Steel	6789 lbf	18322 lbf	0.23 kg
51112	Open	60 mm	85 mm	17 mm	52100 Chrome Steel	9352 lbf	27427 lbf	0.27 kg
51113	Open	65 mm	90 mm	18 mm	52100 Chrome Steel	8475 lbf	24279 lbf	0.33 kg
51114	Open	70 mm	95 mm	18 mm	52100 Chrome Steel	906 lbf	26977 lbf	0.35 kg
51115	Open	75 mm	100 mm	19 mm	52100 Chrome Steel	9937 lbf	30124 lbf	0.4 kg
51116	Open	80 mm	105 mm	19 mm	52100 Chrome Steel	10094 lbf	31473 lbf	0.42 kg
51117	Open	85 mm	110 mm	19 mm	52100 Chrome Steel	10094 lbf	32822 lbf	0.44 kg
51118	Open	90 mm	120 mm	22 mm	52100 Chrome Steel	13309 lbf	4676 lbf	0.67 kg
51120	Open	100 mm	135 mm	25 mm	52100 Chrome Steel	1812 lbf	59574 lbf	0.97 kg
51122	Open	110 mm	145 mm	25 mm	52100 Chrome Steel	18704 lbf	64071 lbf	1.05 kg
51124	Open	120 mm	155 mm	25 mm	52100 Chrome Steel	19154 lbf	68567 lbf	1.15 kg
51126	Open	130 mm	170 mm	30 mm	52100 Chrome Steel	26752 lbf	98916 lbf	1.85 kg
51128	Open	140 mm	180 mm	31 mm	52100 Chrome Steel	24954 lbf	98916 lbf	2.05 kg
51130 M	Open	150 mm	190 mm	31 mm	52100 Chrome Steel	24954 lbf	98916 lbf	2.2 kg
51132 M	Open	160 mm	200 mm	31 mm	52100 Chrome Steel	25179 lbf	104536 lbf	2.35 kg
51134 M	Open	170 mm	215 mm	34 mm	52100 Chrome Steel	299 lbf	121397 lbf	3.3 kg
51136 M	Open	180 mm	225 mm	34 mm	52100 Chrome Steel	30349 lbf	128141 lbf	3.5 kg
51138 M	Open	190 mm	240 mm	37 mm	52100 Chrome Steel	38667 lbf	159614 lbf	4.05 kg
51140 M	Open	200 mm	250 mm	37 mm	52100 Chrome Steel	37768 lbf	159614 lbf	4.25 kg
51144 M	Open	220 mm	270 mm	37 mm	52100 Chrome Steel	40016 lbf	179847 lbf	4.6 kg
51148 M	Open	240 mm	300 mm	45 mm	52100 Chrome Steel	52605 lbf	233801 lbf	7.55 kg
51152 M	Open	260 mm	320 mm	45 mm	52100 Chrome Steel	53505 lbf	24729 lbf	8.1 kg
51156 M	Open	280 mm	350 mm	53 mm	52100 Chrome Steel	71714 lbf	328221 lbf	12 kg
51160 M	Open	300 mm	380 mm	62 mm	52100 Chrome Steel	8183 lbf	395664 lbf	17.5 kg
51164 M	Open	320 mm	400 mm	63 mm	52100 Chrome Steel	83404 lbf	418145 lbf	19 kg
51168 M	Open	340 mm	420 mm	64 mm	52100 Chrome Steel	84753 lbf	440626 lbf	20.5 kg
51172 F	Open	360 mm	440 mm	65 mm	52100 Chrome Steel	87675 lbf	467603 lbf	22 kg
51176 F	Open	380 mm	460 mm	65 mm	52100 Chrome Steel	89249 lbf	49458 lbf	23 kg
51180 F	Open	400 mm	480 mm	65 mm	52100 Chrome Steel	90598 lbf	512564 lbf	24 kg
51184 F	Open	420 mm	500 mm	65 mm	52100 Chrome Steel	92172 lbf	539541 lbf	25.5 kg
51188 F	Open	440 mm	540 mm	80 mm	52100 Chrome Steel	118474 lbf	730629 lbf	42 kg
51192 F	Open	460 mm	560 mm	80 mm	52100 Chrome Steel	118474 lbf	730629 lbf	43.5 kg
51196 F	Open	480 mm	580 mm	80 mm	52100 Chrome Steel	121397 lbf	798072 lbf	45.5 kg
512/500 F	Open	500 mm	670 mm	135 mm	52100 Chrome Steel	227057 lbf	1528701 lbf	135 kg
51200	Open	10 mm	26 mm	11 mm	52100 Chrome Steel	2855 lbf	4181 lbf	0.03 kg
51201	Open	12 mm	28 mm	11 mm	52100 Chrome Steel	299 lbf	4676 lbf	0.034 kg
51202	Open	15 mm	32 mm	12 mm	52100 Chrome Steel	3574 lbf	562 lbf	0.046 kg
51203	Open	17 mm	35 mm	12 mm	52100 Chrome Steel	3664 lbf	607 lbf	0.053 kg
51204	Open	20 mm	40 mm	14 mm	52100 Chrome Steel	4766 lbf	843 lbf	0.083 kg
51205	Open	25 mm	47 mm	15 mm	52100 Chrome Steel	5957 lbf	1124 lbf	0.11 kg
51206	Open	30 mm	52 mm	16 mm	52100 Chrome Steel	5643 lbf	11465 lbf	0.13 kg
51207	Open	35 mm	62 mm	18 mm	52100 Chrome Steel	7891 lbf	16523 lbf	0.22 kg
51208	Open	40 mm	68 mm	19 mm	52100 Chrome Steel	9937 lbf	21694 lbf	0.28 kg
51209	Open	45 mm	73 mm	20 mm	52100 Chrome Steel	8768 lbf	19446 lbf	0.3 kg
51210	Open	50 mm	78 mm	22 mm	52100 Chrome Steel	11106 lbf	26078 lbf	0.37 kg
51211	Open	55 mm	90 mm	25 mm	52100 Chrome Steel	13151 lbf	30124 lbf	0.59 kg
51212	Open	60 mm	95 mm	26 mm	52100 Chrome Steel	13309 lbf	31473 lbf	0.65 kg
51213	Open	65 mm	100 mm	27 mm	52100 Chrome Steel	13601 lbf	33721 lbf	0.72 kg
51214	Open	70 mm	105 mm	27 mm	52100 Chrome Steel	14028 lbf	35969 lbf	0.79 kg
51215	Open	75 mm	110 mm	27 mm	52100 Chrome Steel	1432 lbf	38218 lbf	0.83 kg
51216	Open	80 mm	115 mm	28 mm	52100 Chrome Steel	17108 lbf	4676 lbf	0.91 kg
51217	Open	85 mm	125 mm	31 mm	52100 Chrome Steel	21919 lbf	61822 lbf	1.2 kg
51218	Open	90 mm	135 mm	35 mm	52100 Chrome Steel	25179 lbf	65195 lbf	1.7 kg

Part Number	Seal Type	Bore Dia	Outer Dia	Height	Washer Material	Dynamic Thrust Load	Static Thrust Load	Weight
51220	Open	100 mm	150 mm	38 mm	52100 Chrome Steel	26752 lbf	73063 lbf	2.2 kg
51222	Open	110 mm	160 mm	38 mm	52100 Chrome Steel	28101 lbf	82055 lbf	2.4 kg
51224	Open	120 mm	170 mm	39 mm	52100 Chrome Steel	28551 lbf	87675 lbf	2.65 kg
51226	Open	130 mm	190 mm	45 mm	52100 Chrome Steel	41814 lbf	131513 lbf	4 kg
51228	Open	140 mm	200 mm	46 mm	52100 Chrome Steel	4676 lbf	14163 lbf	4.35 kg
51230 M	Open	150 mm	215 mm	50 mm	52100 Chrome Steel	55528 lbf	179847 lbf	6.1 kg
51232 M	Open	160 mm	225 mm	51 mm	52100 Chrome Steel	55528 lbf	179847 lbf	6.55 kg
51234 M	Open	170 mm	240 mm	55 mm	52100 Chrome Steel	63171 lbf	220313 lbf	8.15 kg
51236 M	Open	180 mm	250 mm	56 mm	52100 Chrome Steel	66543 lbf	242794 lbf	8.6 kg
51238 M	Open	190 mm	270 mm	62 mm	52100 Chrome Steel	75985 lbf	281011 lbf	12 kg
51240 M	Open	200 mm	280 mm	62 mm	52100 Chrome Steel	74637 lbf	281011 lbf	12 kg
51244 M	Open	220 mm	300 mm	63 mm	52100 Chrome Steel	80482 lbf	328221 lbf	13 kg
51248 M	Open	240 mm	340 mm	78 mm	52100 Chrome Steel	100939 lbf	440626 lbf	23 kg
51252 M	Open	260 mm	360 mm	79 mm	52100 Chrome Steel	109707 lbf	503572 lbf	25 kg
51256 M	Open	280 mm	380 mm	80 mm	52100 Chrome Steel	109707 lbf	521557 lbf	26.5 kg
51260 M	Open	300 mm	420 mm	95 mm	52100 Chrome Steel	131513 lbf	674427 lbf	42 kg
51264 F	Open	320 mm	440 mm	95 mm	52100 Chrome Steel	128591 lbf	674427 lbf	45.5 kg
51264 M	Open	320 mm	440 mm	95 mm	52100 Chrome Steel	128591 lbf	674427 lbf	45 kg
51268 F	Open	340 mm	460 mm	96 mm	52100 Chrome Steel	136009 lbf	719389 lbf	48.5 kg
51272 F	Open	360 mm	500 mm	110 mm	52100 Chrome Steel	166583 lbf	932957 lbf	70 kg
51276 F	Open	380 mm	520 mm	112 mm	52100 Chrome Steel	163661 lbf	932957 lbf	73 kg
51280 F	Open	400 mm	540 mm	112 mm	52100 Chrome Steel	17108 lbf	101164 lbf	75.5 kg
51284 F	Open	420 mm	580 mm	130 mm	52100 Chrome Steel	198731 lbf	1236449 lbf	110 kg
51288 F	Open	440 mm	600 mm	130 mm	52100 Chrome Steel	203227 lbf	1281411 lbf	115 kg
51292 F	Open	460 mm	620 mm	130 mm	52100 Chrome Steel	207499 lbf	1315132 lbf	120 kg
51296 F	Open	480 mm	650 mm	135 mm	52100 Chrome Steel	223685 lbf	1472499 lbf	130 kg
51305	Open	25 mm	52 mm	18 mm	52100 Chrome Steel	7756 lbf	13489 lbf	0.17 kg
51306	Open	30 mm	60 mm	21 mm	52100 Chrome Steel	8048 lbf	14725 lbf	0.26 kg
51307	Open	35 mm	68 mm	24 mm	52100 Chrome Steel	11106 lbf	21694 lbf	0.39 kg
51308	Open	40 mm	78 mm	26 mm	52100 Chrome Steel	13893 lbf	27427 lbf	0.53 kg
51309	Open	45 mm	85 mm	28 mm	52100 Chrome Steel	17108 lbf	34396 lbf	0.66 kg
51310	Open	50 mm	95 mm	31 mm	52100 Chrome Steel	18412 lbf	38218 lbf	0.94 kg
51311	Open	55 mm	105 mm	35 mm	52100 Chrome Steel	22706 lbf	50357 lbf	1.3 kg
51312	Open	60 mm	110 mm	35 mm	52100 Chrome Steel	22706 lbf	50357 lbf	1.35 kg
51313	Open	65 mm	115 mm	36 mm	52100 Chrome Steel	2383 lbf	53954 lbf	1.5 kg
51314	Open	70 mm	125 mm	40 mm	52100 Chrome Steel	30349 lbf	71939 lbf	2 kg
51315	Open	75 mm	135 mm	44 mm	52100 Chrome Steel	36644 lbf	87675 lbf	2.6 kg
51316	Open	80 mm	140 mm	44 mm	52100 Chrome Steel	35745 lbf	87675 lbf	2.7 kg
51317	Open	85 mm	150 mm	49 mm	52100 Chrome Steel	39117 lbf	91048 lbf	3.55 kg
51318	Open	90 mm	155 mm	50 mm	52100 Chrome Steel	40915 lbf	98916 lbf	3.8 kg
51320	Open	100 mm	170 mm	55 mm	52100 Chrome Steel	50582 lbf	128141 lbf	4.95 kg
51322 M	Open	110 mm	190 mm	63 mm	52100 Chrome Steel	65419 lbf	179847 lbf	7.85 kg
51324 M	Open	120 mm	210 mm	70 mm	52100 Chrome Steel	74637 lbf	220313 lbf	11 kg
51326 M	Open	130 mm	225 mm	75 mm	52100 Chrome Steel	78908 lbf	238297 lbf	13 kg
51328 M	Open	140 mm	240 mm	80 mm	52100 Chrome Steel	93521 lbf	307988 lbf	15.5 kg
51330 M	Open	150 mm	250 mm	80 mm	52100 Chrome Steel	95094 lbf	328221 lbf	16.5 kg
51332 M	Open	160 mm	270 mm	87 mm	52100 Chrome Steel	99366 lbf	359694 lbf	21 kg
51334 M	Open	170 mm	280 mm	87 mm	52100 Chrome Steel	100939 lbf	382175 lbf	22 kg
51336 M	Open	180 mm	300 mm	95 mm	52100 Chrome Steel	116901 lbf	449618 lbf	28.5 kg
51338 M	Open	190 mm	320 mm	105 mm	52100 Chrome Steel	125668 lbf	49458 lbf	36.5 kg
51340 M	Open	200 mm	340 mm	110 mm	52100 Chrome Steel	140281 lbf	584503 lbf	44.5 kg
51368 F	Open	340 mm	540 mm	160 mm	52100 Chrome Steel	233801 lbf	1315132 lbf	135 kg
51405	Open	25 mm	60 mm	24 mm	52100 Chrome Steel	9509 lbf	15062 lbf	0.34 kg
51406	Open	30 mm	70 mm	28 mm	52100 Chrome Steel	15782 lbf	27427 lbf	0.52 kg
51407	Open	35 mm	80 mm	32 mm	52100 Chrome Steel	17108 lbf	30799 lbf	0.79 kg
51408	Open	40 mm	90 mm	36 mm	52100 Chrome Steel	21492 lbf	4114 lbf	1.1 kg
51409	Open	45 mm	100 mm	39 mm	52100 Chrome Steel	27876 lbf	53954 lbf	1.4 kg
51410	Open	50 mm	110 mm	43 mm	52100 Chrome Steel	35745 lbf	76435 lbf	2 kg
51411	Open	55 mm	120 mm	48 mm	52100 Chrome Steel	43838 lbf	89924 lbf	2.55 kg
51412 M	Open	60 mm	130 mm	51 mm	52100 Chrome Steel	44737 lbf	96668 lbf	3.1 kg
51413 M	Open	65 mm	140 mm	56 mm	52100 Chrome Steel	48559 lbf	110156 lbf	4 kg
51414 M	Open	70 mm	150 mm	60 mm	52100 Chrome Steel	52605 lbf	123645 lbf	5 kg
51415 M	Open	75 mm	160 mm	65 mm	52100 Chrome Steel	56427 lbf	137133 lbf	6.75 kg
51416 M	Open	80 mm	170 mm	68 mm	52100 Chrome Steel	67892 lbf	168607 lbf	7.95 kg
51417 M	Open	85 mm	180 mm	72 mm	52100 Chrome Steel	64295 lbf	168607 lbf	9.45 kg
51418 M	Open	90 mm	190 mm	77 mm	52100 Chrome Steel	69016 lbf	183219 lbf	11 kg
51420 M	Open	100 mm	210 mm	85 mm	52100 Chrome Steel	83404 lbf	238297 lbf	15 kg
51422 M	Open	110 mm	230 mm	95 mm	52100 Chrome Steel	92172 lbf	274267 lbf	20 kg
51424 M	Open	120 mm	250 mm	102 mm	52100 Chrome Steel	97117 lbf	296748 lbf	25.5 kg
51426 M	Open	130 mm	270 mm	110 mm	52100 Chrome Steel	116901 lbf	388919 lbf	32 kg
51428 M	Open	140 mm	280 mm	112 mm	52100 Chrome Steel	116901 lbf	388919 lbf	34.5 kg
51430 M	Open	150 mm	300 mm	120 mm	52100 Chrome Steel	125668 lbf	440626 lbf	42.5 kg
53201	Open	12 mm	28 mm	11.4 mm	52100 Chrome Steel	299 lbf	4676 lbf	0.045 kg
53202	Open	15 mm	32 mm	13.3 mm	52100 Chrome Steel	3574 lbf	562 lbf	0.063 kg
53203	Open	17 mm	35 mm	13.2 mm	52100 Chrome Steel	3664 lbf	607 lbf	0.071 kg
53204	Open	20 mm	40 mm	14.7 mm	52100 Chrome Steel	4766 lbf	843 lbf	0.1 kg
53205	Open	25 mm	47 mm	16.7 mm	52100 Chrome Steel	5957 lbf	1124 lbf	0.15 kg
53206	Open	30 mm	52 mm	17.8 mm	52100 Chrome Steel	5643 lbf	11465 lbf	0.18 kg
53207	Open	35 mm	62 mm	19.9 mm	52100 Chrome Steel	7891 lbf	16523 lbf	0.28 kg
53208	Open	40 mm	68 mm	20.3 mm	52100 Chrome Steel	9937 lbf	21694 lbf	0.35 kg
53209	Open	45 mm	73 mm	21.3 mm	52100 Chrome Steel	8768 lbf	19446 lbf	0.39 kg
53210	Open	50 mm	78 mm	23.5 mm	52100 Chrome Steel	11106 lbf	26078 lbf	0.47 kg
53211	Open	55 mm	90 mm	27.3 mm	52100 Chrome Steel	13151 lbf	30124 lbf	0.75 kg
53212	Open	60 mm	95 mm	28 mm	52100 Chrome Steel	13309 lbf	31473 lbf	0.82 kg
53213	Open	65 mm	100 mm	28.7 mm	52100 Chrome Steel	13601 lbf	33721 lbf	0.91 kg
53214	Open	70 mm	105 mm	27 mm	52100 Chrome Steel	14028 lbf	35969 lbf	0.97 kg
53215	Open	75 mm	110 mm	28.3 mm	52100 Chrome Steel	1432 lbf	38218 lbf	1 kg
53216	Open	80 mm	115 mm	29.5 mm	52100 Chrome Steel	17108 lbf	4676 lbf	1.1 kg
53217	Open	85 mm	125 mm	33.1 mm	52100 Chrome Steel	21919 lbf	61822 lbf	1.5 kg
53218	Open	90 mm	135 mm	38.5 mm	52100 Chrome Steel	25179 lbf	65195 lbf	2.1 kg
53220	Open	100 mm	150 mm	40.9 mm	52100 Chrome Steel	26752 lbf	73063 lbf	2.7 kg
53222	Open	110 mm	160 mm	40.2 mm	52100 Chrome Steel	28101 lbf	82055 lbf	2.91 kg
53226	Open	130 mm	190 mm	47.9 mm	52100 Chrome Steel	41814 lbf	131513 lbf	4.85 kg
53228	Open	140 mm	200 mm	48.6 mm	52100 Chrome Steel	42714 lbf	139382 lbf	5.45 kg
53306	Open	30 mm	60 mm	22.6 mm	52100 Chrome Steel	8048 lbf	14725 lbf	0.33 kg
53307	Open	35 mm	68 mm	25.6 mm	52100 Chrome Steel	11106 lbf	21694 lbf	0.46 kg
53308	Open	40 mm	78 mm	28.5 mm	52100 Chrome Steel	13893 lbf	27427 lbf	0.67 kg
53309	Open	45 mm	85 mm	30.1 mm	52100 Chrome Steel	17108 lbf	34396 lbf	0.83 kg
53310	Open	50 mm	95 mm	34.3 mm	52100 Chrome Steel	18412 lbf	38218 lbf	1.2 kg
53311	Open	55 mm	105 mm	39.3 mm	52100 Chrome Steel	22706 lbf	50357 lbf	1.68 kg

Part Number	Seal Type	Bore Dia	Outer Dia	Height	Washer Material	Dynamic Thrust Load	Static Thrust Load	Weight
53312	Open	60 mm	110 mm	38.3 mm	52100 Chrome Steel	22706 lbf	50357 lbf	1.71 kg
53313	Open	65 mm	115 mm	39.4 mm	52100 Chrome Steel	2383 lbf	53954 lbf	1.89 kg
53314	Open	70 mm	125 mm	44.2 mm	52100 Chrome Steel	30349 lbf	71939 lbf	2.5 kg
53315	Open	75 mm	135 mm	48.1 mm	52100 Chrome Steel	36644 lbf	87675 lbf	3.2 kg
53316	Open	80 mm	140 mm	47.6 mm	52100 Chrome Steel	35745 lbf	87675 lbf	3.2 kg
53317	Open	85 mm	150 mm	53.1 mm	52100 Chrome Steel	39117 lbf	91048 lbf	4.35 kg
53318	Open	90 mm	155 mm	54.6 mm	52100 Chrome Steel	40915 lbf	98916 lbf	4.7 kg
53320	Open	100 mm	170 mm	59.2 mm	52100 Chrome Steel	50582 lbf	128141 lbf	5.95 kg
53322 M	Open	110 mm	190 mm	67.2 mm	52100 Chrome Steel	65419 lbf	179847 lbf	7.74 kg
53324 M	Open	120 mm	210 mm	74.1 mm	52100 Chrome Steel	74637 lbf	220313 lbf	12.5 kg
53408	Open	40 mm	90 mm	38.2 mm	52100 Chrome Steel	21492 lbf	4114 lbf	1.35 kg
53410	Open	50 mm	110 mm	45.6 mm	52100 Chrome Steel	35745 lbf	76435 lbf	2.31 kg
53411	Open	55 mm	120 mm	50.5 mm	52100 Chrome Steel	43838 lbf	89924 lbf	3.08 kg
53412 M	Open	60 mm	130 mm	54 mm	52100 Chrome Steel	44737 lbf	96668 lbf	3.8 kg
53414 M	Open	70 mm	150 mm	63.6 mm	52100 Chrome Steel	52605 lbf	123645 lbf	6.5 kg
53415 M	Open	75 mm	160 mm	69 mm	52100 Chrome Steel	56427 lbf	137133 lbf	8.1 kg
53418 M	Open	90 mm	190 mm	81.2 mm	52100 Chrome Steel	69016 lbf	183219 lbf	13 kg
53420 M	Open	100 mm	210 mm	90 mm	52100 Chrome Steel	83404 lbf	238297 lbf	18 kg
591/1000 M	Open	1000 mm	1180 mm	109 mm	52100 Chrome Steel	207499 lbf	2057002 lbf	210 kg
591/1060 F	Open	1060 mm	1250 mm	115 mm	52100 Chrome Steel	227057 lbf	2338013 lbf	240 kg
591/500 F	Open	500 mm	600 mm	60 mm	52100 Chrome Steel	100939 lbf	651946 lbf	32 kg
591/530 F	Open	530 mm	640 mm	67 mm	52100 Chrome Steel	105211 lbf	708148 lbf	43.5 kg
591/560 F	Open	560 mm	670 mm	67 mm	52100 Chrome Steel	106784 lbf	730629 lbf	45.5 kg
591/630 F	Open	630 mm	750 mm	73 mm	52100 Chrome Steel	121397 lbf	899236 lbf	62.5 kg
591/670 F	Open	670 mm	800 mm	78 mm	52100 Chrome Steel	121397 lbf	932957 lbf	74 kg
591/710 JR	Open	710 mm	850 mm	85 mm	52100 Chrome Steel	151971 lbf	1213968 lbf	88.5 kg
591/750 M	Open	750 mm	900 mm	90 mm	52100 Chrome Steel	166583 lbf	1393815 lbf	105 kg
591/800 M	Open	800 mm	950 mm	90 mm	52100 Chrome Steel	17108 lbf	1472499 lbf	110 kg
591/850 M	Open	850 mm	1000 mm	90 mm	52100 Chrome Steel	17108 lbf	1528701 lbf	115 kg
591/900 M	Open	900 mm	1060 mm	95 mm	52100 Chrome Steel	14163 lbf	1719788 lbf	140 kg
591/950 M	Open	950 mm	1120 mm	103 mm	52100 Chrome Steel	191537 lbf	1832193 lbf	170 kg
59172 F	Open	360 mm	440 mm	48 mm	52100 Chrome Steel	57326 lbf	337213 lbf	15 kg
59176 F	Open	380 mm	460 mm	48 mm	52100 Chrome Steel	57326 lbf	343958 lbf	15 kg
59180 F	Open	400 mm	480 mm	48 mm	52100 Chrome Steel	5845 lbf	366439 lbf	16.5 kg
59184 F	Open	420 mm	500 mm	48 mm	52100 Chrome Steel	59574 lbf	382175 lbf	17 kg
59188 F	Open	440 mm	540 mm	60 mm	52100 Chrome Steel	53505 lbf	337213 lbf	28 kg
59192 F	Open	460 mm	560 mm	60 mm	52100 Chrome Steel	54404 lbf	343958 lbf	29.5 kg
59196 F	Open	480 mm	580 mm	60 mm	52100 Chrome Steel	99366 lbf	629465 lbf	30.5 kg
BD1-8000	Open	600 mm	870 mm	118 mm	52100 Chrome Steel	251786 lbf	1798472 lbf	220 kg
BD1B 351890 A	Open	1380 mm	1535 mm	130 mm	52100 Chrome Steel	298996 lbf	3664386 lbf	310 kg

One way thrust roller bearing

One-way thrust roller bearings are also used to handle one-way thrust loads. They are characterized by being able to withstand large thrust and have high rotation speed and accuracy. Compared with spherical bearings, roller bearings have greater load capacity and smaller rolling friction. It consists of outer conical rollers, inner and outer circular groove pressure plates, covers, etc. Its working principle is similar to that of spherical bearings.

One way needle roller bearing

One-way needle roller bearings, also known as needle roller clutches, are composed of a stamped outer ring or a plastic cage; the cage can have its own plastic reeds or stainless steel reeds to guide the needle rollers. The inclined raceway and needle rollers on the outer ring serve as Locking device.

Part Number	Seal Type	Bore Dia	Outer Dia	Width	Ring Material	Needle Material	Shaft Mount Type	Temperature Range	Weight
1WC0608	Open	6 mm	10 mm	8 mm	Steel	Steel	Press Fit	-30 to 110 C	2 g
1WC0612	Open	6 mm	10 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3 g
1WC0812	Open	8 mm	14.2 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	7 g
1WC0815	Open	8 mm	14.2 mm	14.5 mm	Steel	Steel	Press Fit	-30 to 110 C	8 g
1WC1012	Open	10 mm	16 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	8 g
1WC1216	Open	12 mm	18 mm	16 mm	Steel	Steel	Press Fit	-30 to 110 C	12 g
EWC0406A	Open	4 mm	8 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	1 g
EWC0406C	Open	4 mm	8 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	1 g
EWC0606XC	Open	6 mm	10 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	1.4 g
EWC0608A	Open	6 mm	10 mm	8 mm	Steel	Steel	Press Fit	-30 to 110 C	1.7 g
EWC0608C	Open	6 mm	10 mm	8 mm	Steel	Steel	Press Fit	-30 to 110 C	1.7 g
EWC0608XA	Open	6 mm	10 mm	7.5 mm	Steel	Steel	Press Fit	-30 to 110 C	1.7 g
EWC0608XC	Open	6 mm	10 mm	7.5 mm	Steel	Steel	Press Fit	-30 to 110 C	1.7 g
EWC0809A	Open	8 mm	12 mm	9 mm	Steel	Steel	Press Fit	-30 to 110 C	2.4 g
EWC0809C	Open	8 mm	12 mm	9 mm	Steel	Steel	Press Fit	-30 to 110 C	2.4 g
EWC0812A	Open	8 mm	14.2 mm	15 mm	Steel	Steel	Press Fit	-30 to 110 C	5.8 g
EWC0812C	Open	8 mm	14.2 mm	15 mm	Steel	Steel	Press Fit	-30 to 110 C	5.8 g
EWC1010A	Open	10 mm	16 mm	17 mm	Steel	Steel	Press Fit	-30 to 110 C	6 g
EWC1010C	Open	10 mm	16 mm	17 mm	Steel	Steel	Press Fit	-30 to 110 C	6 g
EWC1012A	Open	10 mm	16 mm	17 mm	Steel	Steel	Press Fit	-30 to 110 C	6.8 g
EWC1012C	Open	10 mm	16 mm	17 mm	Steel	Steel	Press Fit	-30 to 110 C	6.8 g
HF0306-KF	Open	3 mm	6.5 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	1 g
HF0306-KF-R	Open	3 mm	6.5 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	1 g
HF0406-KF	Open	4 mm	8 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	1 g
HF0406-KF-R	Open	4 mm	8 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	1 g
HF0612	Open	6 mm	10 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3 g
HF0612-KF	Open	6 mm	10 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3 g
HF0612-KF-R	Open	6 mm	10 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3 g
HF0612-R	Open	6 mm	10 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3 g
HF0812	Open	8 mm	12 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3.5 g
HF0812-KF	Open	8 mm	12 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3.5 g
HF0812-KF-R	Open	8 mm	12 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3.5 g
HF0812-R	Open	8 mm	12 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	3.5 g
HF1012	Open	10 mm	14 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	4 g
HF1012-KF	Open	10 mm	14 mm	12 mm	Steel	Steel	Press Fit	-30 to 110 C	4 g
HF1216	Open	12 mm	18 mm	16 mm	Steel	Steel	Press Fit	-30 to 110 C	11 g
HF1416	Open	14 mm	20 mm	16 mm	Steel	Steel	Press Fit	-30 to 110 C	13 g
HF1616	Open	16 mm	22 mm	16 mm	Steel	Steel	Press Fit	-30 to 110 C	14 g
HF1816	Open	18 mm	24 mm	16 mm	Steel	Steel	Press Fit	-30 to 110 C	16 g
HF2016	Open	20 mm	26 mm	16 mm	Steel	Steel	Press Fit	-30 to 110 C	17 g
HF2520	Open	25 mm	32 mm	20 mm	Steel	Steel	Press Fit	-30 to 110 C	30 g
HF3020	Open	30 mm	37 mm	20 mm	Steel	Steel	Press Fit	-30 to 110 C	36 g
HF3520	Open	35 mm	42 mm	20 mm	Steel	Steel	Press Fit	-30 to 110 C	40 g
HFL0308-KF	Open	3 mm	6.5 mm	8 mm	Steel	Steel	Press Fit	-30 to 110 C	1.4 g
HFL0308-KF-R	Open	3 mm	6.5 mm	8 mm	Steel	Steel	Press Fit	-30 to 110 C	1.4 g
HFL0408-KF	Open	4 mm	8 mm	8 mm	Steel	Steel	Press Fit	-30 to 110 C	1.6 g
HFL0408-KF-R	Open	4 mm	8 mm	8 mm	Steel	Steel	Press Fit	-30 to 110 C	1.6 g
HFL0606-KF-R	Open	6 mm	10 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	1 g
HFL0615	Open	6 mm	10 mm	15 mm	Steel	Steel	Press Fit	-30 to 110 C	4 g
HFL0615-KF	Open	6 mm	10 mm	15 mm	Steel	Steel	Press Fit	-30 to 110 C	4 g
HFL0615-KF-R	Open	6 mm	10 mm	15 mm	Steel	Steel	Press Fit	-30 to 110 C	4 g
HFL0615-R	Open	6 mm	10 mm	15 mm	Steel	Steel	Press Fit	-30 to 110 C	4 g
HFL0806-KF-R	Open	8 mm	12 mm	6 mm	Steel	Steel	Press Fit	-30 to 110 C	2 g
HFL0822	Open	8 mm	12 mm	22 mm	Steel	Steel	Press Fit	-30 to 110 C	7 g
HFL0822-KF	Open	8 mm	12 mm	22 mm	Steel	Steel	Press Fit	-30 to 110 C	7 g
HFL0822-KF-R	Open	8 mm	12 mm	22 mm	Steel	Steel	Press Fit	-30 to 110 C	7 g
HFL0822-R	Open	8 mm	12 mm	22 mm	Steel	Steel	Press Fit	-30 to 110 C	7 g
HFL1022	Open	10 mm	14 mm	22 mm	Steel	Steel	Press Fit	-30 to 110 C	8 g
HFL1226	Open	12 mm	18 mm	26 mm	Steel	Steel	Press Fit	-30 to 110 C	18 g
HFL1426	Open	14 mm	20 mm	26 mm	Steel	Steel	Press Fit	-30 to 110 C	20 g
HFL1626	Open	16 mm	22 mm	26 mm	Steel	Steel	Press Fit	-30 to 110 C	22 g
HFL1826	Open	18 mm	24 mm	26 mm	Steel	Steel	Press Fit	-30 to 110 C	25 g
HFL2026	Open	20 mm	26 mm	26 mm	Steel	Steel	Press Fit	-30 to 110 C	27 g
HFL2530	Open	25 mm	32 mm	30 mm	Steel	Steel	Press Fit	-30 to 110 C	44 g
HFL3030	Open	30 mm	37 mm	30 mm	Steel	Steel	Press Fit	-30 to 110 C	51 g
HFL3530	Open	35 mm	42 mm	30 mm	Steel	Steel	Press Fit	-30 to 110 C	58 g

Three working principles of one way bearings

A one way bearing is a bearing that can rotate freely in one direction but is locked in the other direction. The metal shell of a one-way bearing contains many rollers, needle rollers or balls, and the shape of its rolling seat (hole) allows it to only roll in one direction, while producing great resistance in the other direction ( So-called “one-way”). In fact, no matter what structure the one-way bearing has, its principle is the clamping principle. From a structural point of view, it can be divided into:

Ramp and roller design

The ramp and roller one-way clutch basically consists of an outer ring with a cylindrical inner diameter, an inner ring with a slope, and a set of rollers that respectively bear spring force and are always in close contact with the inner and outer rings. As long as the rotation of one raceway in its direction of motion affects the other, this arrangement essentially ensures the immediacy of overspeed and the ability to drive immediately.

The one way bearing of this design can be suitable for overrunning, indexing and non-return use in various environments. When used as an overrunning one-way clutch, a ramp-type, roller-type one-way clutch will be mounted in such a way that the outer ring serves as the overrunning member. This is very important for high-speed overtaking. In the application of inner ring overrunning, the centrifugal force acting on the roller will cause the overrunning speed to be limited.

When used as a non-return one-way clutch, the ramp roller one-way clutch with only the inner ring rotating is suitable for relatively low speeds. If the required speed is higher than the recommended speed, it is recommended to use a sprag type one-way clutch.When used as an indexing one-way clutch, the outer ring is often regarded as the swing element and the inner ring is often regarded as the slave element. Otherwise, the inertia of the rollers and springs will cause errors, especially when indexing at high frequencies. The use of dilute lubricating oil and strong springs provides high-speed indexing accuracy and high quality.

Wedge design

This wedge type one-way overrunning clutch is generally composed of an inner ring, an outer ring, a wedge group, a wedge cage, a powerful spring and a bearing. The wedge wedges between the inner and outer rings to transfer force from one raceway to the other. The wedge has two diagonal diameters, one of which is larger than the other. The wedge action occurs when the inner and outer rings rotate relative to each other, forcing the wedge to have a larger vertical position over a larger cross-section.

Self-locking angle

The wedge action mainly relies on the wedge and self-locking angle of the wedge between the inner and outer rings. The basic concept of the wedge one-way clutch requires that the friction coefficient of the wedge is related to the sudden torque generated by the inner ring in the driving direction. This friction value must be greater than the tangent value of the self-locking angle. If conditions are unsafe, wedging will not occur. The self-locking angle is determined by the structure of the wedge, and the points on the inner and outer rings are connected by wedges respectively. The wedges are designed with a low initial self-locking angle to ensure initial bonding. As the torque increases, a radial force will be generated on the wedge that deflects the wedge raceway, causing the wedge to roll to a new position. Wedges are often designed to have a self-locking angle that gradually increases as it moves from the override position to the maximum load-bearing position. A relatively large self-locking angle can reduce the radial force generated by the wedge, therefore allowing greater torque to be transmitted as long as the elongation and Brinell hardness limits are met.

Installation of one-way bearings

Since the one-way bearings are rust-proofed and packaged, do not open the package until installation. The anti-rust oil coated on the one-way bearing has good lubrication properties. For general-purpose one way bearings or one-way bearings filled with grease, they can be used directly without cleaning. The installation methods of one-way bearings vary depending on the bearing type and matching conditions. Since most of the shafts rotate, the inner ring and outer ring can adopt interference fit and clearance fit respectively. When the outer ring rotates, the outer ring adopts interference fit.

(1) Press-in installation Press-in installation generally uses a press. Bolts and nuts can also be used. If necessary, a hand hammer can be used for installation.

(2) Hot sleeve installation. The hot sleeve method of heating the one-way bearing in oil to expand it and then installing it on the shaft can prevent the one-way bearing from unnecessary external force and complete the installation in a short time.

Inspection and maintenance of one-way bearings

The maintenance work of bearings is similar. The relative movement of rolling elements and raceways and the intrusion of pollutants and dust cause wear on the surfaces of rolling elements and raceways. Some improvement technical measures can be used to improve it to meet satisfactory needs. Change the lubrication method, such as using oil gas, oil mist and spray lubrication; improve cooling conditions, etc. Generally, the maintenance of one-way bearings requires several steps, including:

Look

Observe the external use condition of the one-way bearing and check whether the one-way bearing is rusty. Check whether the one-way bearing has broken lines and whether the one-way bearing is peeling off.

Listen

Listen to whether there is any noise from the one-way bearing and whether the noise from the one-way bearing is normal.

Diagnosis

Use instruments for diagnosis, such as electronic diagnostic instruments, stethoscopes, etc. Similar to the maintenance of other bearings, the relative movement of rolling elements and raceways and the intrusion of pollutants and dust cause wear on the surfaces of rolling elements and raceways.

When regularly inspecting or replacing parts, the one-way bearing needs to be disassembled. Usually the shaft and bearing box almost always have to be continued to be used, and the one way bearings also tend to continue to be used. Therefore, the structural design must take into account that when disassembling the bearing, the bearing, shaft, bearing box and other components will not be damaged, and appropriate disassembly tools must also be prepared. When disassembling a statically fitted ferrule, only tensile force can be applied to the ferrule, and the ferrule must not be pulled through the rolling elements.

Factors affecting the life of one-way bearings

One-way bearing cleanliness. Lubricants with different cleanliness have a great impact on the life of ball bearings.Therefore, improving the cleanliness of lubricating oil can extend the life of bearings.Noise from one-way bearings. Cleanliness seriously affects the vibration level of the bearing, especially the vibration in the high frequency band is significant. Bearings with high cleanliness have low vibration speed values.Effect of bearing grease. Preventing the deterioration and accelerated aging of grease affects whether the lubrication performance of grease is reduced.

One way bearings are widely used in textile machinery; printing machinery; automobile industry; household appliances; currency detectors. The invention of one-way bearings solved many mechanical problems that needed to be prevented from reverse rotation. It plays a great role in many household appliances such as washing machines. In some conveying machinery such as material transportation, it can effectively prevent materials from falling back. Therefore, the standardized structure eliminates the need for many machines to separately design special anti-reversal structures, saving a lot of manpower and material resources. Therefore, the future development prospects of one-way bearings are very broad.