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TIMKEN Bearing Cross References and Interchanges
As a world-renowned bearing manufacturer, TIMKEN’s products are widely used in various types of industrial machinery and equipment. However, due to the large number of bearing brands on the market, bearing models among different brands are not completely uniform. For cost, supply chain disruption, or other reasons, it is sometimes necessary to cross-reference TIMKEN bearings with equivalent models from other brands. This article will introduce in detail how to cross-reference TIMKEN bearings and how to find the same models of other national brands for interchange. Provide constructive suggestions for you to choose suitable bearing equivalents.
TIMKEN is an American company founded in 1899 and is a leading international manufacturer of high-performance bearings and mechanical transmission products. TIMKEN bearings have a wide range of products, including tapered roller bearings, cylindrical roller bearings, ball bearings, thrust bearings, etc. TIMKEN bearings are known for their excellent performance and reliability and are widely used in automobiles, aviation, railways, steel, mining, wind energy and other industries. For example, tapered roller bearings are commonly used in automotive wheels, differentials and transmissions, while cylindrical roller bearings are suitable for heavy-duty machinery.
Bearing cross-reference necessary
In actual applications, you may encounter situations where you need to replace bearings of a certain national brand (such as SKF\NSK\NTN\FAG) with TIMKEN bearings. At this time, the bearing cross-reference table becomes particularly important. It can help you quickly find corresponding models between different brands to ensure that the selected bearings can fully meet the performance requirements of the equipment.
TIMKEN Roller Bearing Interchange Chart
| TIMKEN | Timken Definition | SKF | FAG | NSK |
|---|---|---|---|---|
| EJ5 | Stamped nitrided steel cage – High Performance | E, EJA, C, CC, CCJA, EC, ECC | E1 | EA, C, CD |
| EM5 | One-piece, roller-riding, machined-brass cage – High Performance | CA, E CA, CAMA | M | CA |
| EMB | One-piece, inner-ring-piloted, machined-brass cage – High Performance | CA, ECA, CAMA | MB | CA |
| YMB | One-piece, inner-ring-piloted, machined-brass cage | CA, ECA, CAMA | MB | CA |
| YMD | Two-piece, inner-ring-piloted, machined-brass cage | |||
| C2 | Bearing radial internal clearance (RIC) smaller than normal | C2 | C2 | C2 |
| C3 | Bearing radial internal clearance (RIC) greater than normal | C3 | C3 | C3 |
| C4 | Bearing radial internal clearance (RIC) greater than C3 | C4 | C4 | C4 |
| C5 | Bearing radial internal clearance (RIC) greater than C4 | C5 | C5 | C5 |
| C6 | Specific RIC designed to bearing size | C6 | C6 | CGxx, SLxx |
| S16 | Bearing rings dimensionally stabilized for use at operating temperatures up to 200° C (392° F) | S1 | S1 | S11 |
| S2 | Bearing rings dimensionally stabilized for use at operating temperatures up to 250° C (482° F) | S2 | S2 | |
| S3 | Bearing rings dimensionally stabilized for use at operating temperatures up to 300° C (572° F) | S3 | S3 | |
| S4 | Bearing rings dimensionally stabilized for use at operating temperatures up to 350° C (662° F) | S4 | S4 | |
| C02 | Inner ring with P5 running accuracy, high point of eccentricity marked (SKF does not mark) | C02 | T52BE | P5B, P53 |
| C04 | Outer ring with P5 running accuracy, high point of eccentricity marked (SKF does not mark) | C04 | T52BN | P5C, P52 |
| C08 | P5 running accuracy (C02 + C04) | C08 | T52BW | P55 |
| C08C3 | P5 running accuracy (C02 + C04), C3 RIC | C083 | C3, T52BW | P55, C3 |
| C08C4 | P5 running accuracy (C02 + C04), C4 RIC | C084 | C4, T52BW | P55, C4 |
| K | Tapered bore (1:12 on diameter 13, 22, 23, 30, 31, 32, 33, 38, 39 series) | K | K | K |
| K | Tapered bore (1:30 on diameter 40, 41, 42 series) | K30 | K30 | K30 |
| W4 | Inner ring or sleeve marked to show high point of eccentricity | W4 | J26A | |
| W20 | Outer ring with lubrication holes | W20 | SY | E3 |
| W22 | Special reduced O.D. tolerance on outer rings | W22 | T50H | S (a, b) |
| W25 | Outer ring counter-drilled lubrication holes | W73 | ||
| W31 | Bearing inspected to certain quality control requirements | W31 | U22 | |
| W33 | Standard lubrication holes and groove in outer ring | W33 | S | E4 |
| W40 | Bearing made of carburizing-grade steel | ECD- | W209 | g |
| W40I | Inner ring only made of carburizing-grade steel | HA3, ECB- | W209B | g3 |
| W40R | Roller only made of carburizing-grade steel | g1 | ||
| W40E | Outer ring only made of carburizing-grade steel | g2 | ||
| W45A | Tapped lifting holes in face of outer ring to facilitate lifting and handling | VE 553 | ||
| W47 | Inner ring with oversize bore | VA414 (incl W800 & W47) | T41B | (incl W22 & W47) |
| W84 | Outer ring with standard lubrication holes plugged | W77 | H44SA, H40 | E42 |
| W841 | Outer ring with no lubrication hole | W | H40 | |
| W88 | Special reduced bore tolerance on inner ring | |||
| W89 | Inner ring with lubrication holes and lubrication groove | |||
| W94 | Inner ring lubrication holes | W26 | H40AB | E5 |
| W507 | W31 + W33 + W45A | W507 | J26A | E4U22, E4P53 |
| W509 | W31 + W33 + W94 + W45A (where feasible) | W509 (W26 + W31 + W33) | S.H40A | E7U22 |
| W525 | W31 + W33 + W84 + W45A (where feasible) | W525 (W31 + W77) | S.H44S | |
| W534 | W507 + C08 | |||
| W800 | Shaker screen modification (W22 + W88 + radial internal clearance in upper 2⁄3 of range specified) | VA405 | T41A | U15, VS |
| W906A | C08 + W31 +W33 + W40I + W40R – Modification mainly used in paper industry | C083HA3 | T52BW.W209B | TL-series |
TIMKEN Spherical Roller Bearing Cross Reference
| TIMKEN | FAG | SKF | NSK | NTN |
|---|---|---|---|---|
| 22308EMW33W800C4 | 22308-E1-T41A | 22308E/VA405 | 22308HE4C4U15-VS | 22308EF800 |
| 22309EMW33W800C4 | 22309-E1-T41A | 22309E/VA405 | 22309HE4C4U15-VS | 22309EF800 |
| 22310EMW33W800C4 | 22310-E1-T41A | 22310E/VA405 | 22310HE4C4U15-VS | 22310EF800 |
| 22311EMW33W800C4 | 22311-E1-T41A | 22311E/VA405 | 22311CAME4C4U15-VS | 22311EF800 |
| 22312EMW33W800C4 | 22312-E1-T41A | 22312E/VA405 | 22312CAME4C4U15-VS | 22312EF800 |
| 22313EMW33W800C4 | 22313-E1-T41A | 22313E/VA405 | 22313CAME4C4U15-VS | 22313EF800 |
| 22313EMW800C4 | ||||
| 22314EMW33W800C4 | 22314-E1-T41A | 22314E/VA405 | 22314CAME4C4U15-VS | 22314EF800 |
| 22314EMW800C4 | ||||
| 22315EMW33W800C4 | 22315-E1-T41A | 22315EJA/VA405 | 22315CAME4C4U15-VS | 22315EF800 |
| 22315EMWW800C4 | ||||
| 22315EMW47W22C3 | 22315EJA/VA414 | |||
| 22316EMW33W800C4 | 22316-E1-T41A | 22316EJA/VA405 | 22316CAME4C4U15-VS | 22316EF800 |
| 22317EMW33W800C4 | 22317-E1-T41A | 22317EJA/VA405 | 22317CAME4C4U15-VS | 22317EF800 |
| 22317EMW800C4 | ||||
| 22318EMW33W800C4 | 22318-E1-T41A | 22318EJA/VA405 | 22318CAME4C4U15-VS | 22318EF800 |
| 22318EMW800C4 | ||||
| 22318EMW810C4 | ||||
| 22319EMW33W800C4 | 22319-E1-T41A | 22319EJA/VA405 | 22319CAME4C4U15-VS | 22319EF800 |
| 22319EMW800C4 | ||||
| 22319EMW47W22C3 | 22319EJA/VA414 | |||
| 22319EMW810C4 | 545173.C3.F80 | |||
| 22320EMW33W800C4 | 22320-E1-T41A | 22320EJA/VA405 | 22320CAME4C4U15-VS | 22320EF800 |
| 22322EMW33W800C4 | 22322-E1-T41A | 22322EJA/VA405 | 22322CAME4C4U15-VS | 22322EF800 |
| 22322EMW800C4 | ||||
| 22322EMW47W22C3 | 22322EJA/VA414 | |||
| 22322EMW810C4 | 521097C3.F80 | |||
| 22324EMW33W800C4 | 22324-E1-T41A | 22324CCJA/W33VA405 | 22324CAME4C4U15-VS | 22324UAVS2 |
| 22324EMW800C4 | ||||
| 22326EMW33W800C4 | 22326-E1-T41A | 22326CCJA/W33VA405 | 22326CAME4C4U15-VS | 22326UAVS2 |
| 22328EMW33W800C4 | 22328-E1-T41A | 22328CCJA/W33VA405 | 22328CAME4C4U15-VS | 22328UAVS2 |
| 22328EMW800C4 | ||||
| 22328EMW33W47W22C3 | 22328CCJA/W33VA414 | |||
| 22330EMW33W800C4 | 22330-E1-T41A | 22330CCJA/W33VA405 | 22330CAME4C4U15-VS | 22330UAVS2 |
| 22332EMW33W800C4 | 22332-E1-JPA-T41A | 22332CCJA/W33VA405 | 22332CAME4C4U15-VS | 22332UAVS2 |
| 22332EMW33W47W22C4 | 22332CCJA/W33VA414 | |||
| 22334EMW33W800C4 | 22334-E1-JPA-T41A | 22334CCJA/W33VA405 | 22334CAME4C4U15-VS | 22334EF800 |
| 22336EMW33W800C4 | 22336-E1-JPA-T41A | 22336CCJA/W33VA405 | 22336CAME4C4U15-VS | 22336EMAD1VS2 |
| 22338EMW33W800C4 | 22338-E1-JPA-T41A | 22338CCJA/W33VA405 | 22338CAME4C4U15-VS | 22338UAVS1 |
| 22340EMW33W45AW800C4 | 22340-E1-JPA-T41A | 22340CCJA/W33VA405 | 22340CAME4C4U15-VS | 22340EMAD1VS2 |
| 22344EMW33W45AW800C4 | 22344-E1-JPA-T41A | 22344CCJA/W33VA405 |
TIMKEN Ball Screw Support Searing Cross Reference Chart
| TIMKEN | BARDEN | FAG | NSK | NTN | RHP | SKF | SNFA |
|---|---|---|---|---|---|---|---|
| MM12BS32 | 7602012-TVP | BSA 201 | BS 212 | ||||
| MM15BS35 | 7602015-TVP | BSA 202 | BS 215 | ||||
| MM17BS47 | 17TAC47 C10 | BST17X47-1B | BSB 017047 | ||||
| MM20BS47 | BSB2047 | BSB020047-T | 20TAC47 C10 | BST20X47-1B | BSB 020047 | BSD 2047 | BS 20/47 |
| MM9306W12H | L078H | 20TAC47X C11 | BST20X47-2B | BSB 078 | |||
| MM9308W12H | L093H | 23TAC62 C11 | BST23.8X62-1B | BSB 093 | |||
| MM25BS52 | 7602025-TVP | BSB 2025 | BSA 205 | BS 225 | |||
| MM25BS62 | BSB2562 | BSB025062-T | 25TAC62 C10 | BST25X62-1B | BSB 025062 | BSD 2562 | BS 25/62 |
| MM30BS62 | BSB3062 | BSB030062-T | 30TAC62 C10 | BST30X62-1B | BSB 030062 | BSD 3062 | BS 30/62 |
| MM30BS72 | BSB 030072 | ||||||
| MM35BS72 | BSB3572 | BSB030572-T | 35TAC72 C10 | BST35X72-1B | BSB 035072 | BSD 3572 | BS 35/72 |
| MM35BS100 | BSB 035100 | ||||||
| MM9310W12H | L150H | 38TAC72 C11 | BST38.1X72-1B | BSB 150 | |||
| MM40BS72 | BSB4072 | BSB040072-T | 40TAC72 C10 | BST40X72-1B | BSB 040072 | BSD 4072 | BS 40/72 |
| MM40BS90 | BSB 040090 | ||||||
| MM40BS90-20 | BSB040090-T | 40TAC90 C10 | BST40X90-1B | BSD 4090 | BS 40/90 | ||
| MM40BS90-23 | 7603040-TVP | BSA 308 | BS 340 | ||||
| MM40BS100 | BSB 040100 | ||||||
| MM9311W13H | L175H | 44TAC76 C11 | BST44.5X76.2-1B | BSB 175 | |||
| MM45BS75 | BSB045075-T | 45TAC75 C10 | BST45X75-1B | BSB 045075 | BSD 4575 | ||
| MM45BS100 | BSB045100-T | 45TAC100 C10 | BST45X100-1B | BSB 045100 | BSD 45100 | BS 45/100 | |
| MM50BS90 | BSB 050090 | ||||||
| MM50BS100 | BSB050100-T | 50TAC100 C10 | BST50X100-1B | BSB 050100 | BSD 50100 | BS 50/100 | |
| MM55BS90 | BSB055090-T | 55TAC90 C10 | BSB 055090 | ||||
| MM55BS120 | BSB055120-T | 55TAC120 C10 | BST55X120-1B | BSB 055120 | BSD 55120 | BS 55/120 | |
| MM9313W15H | L225H | 57TAC90 C11 | BSB 225 | ||||
| MM60BS120 | BSB606120-T | 60TAC120 C10 | BST60X120-1B | BSB 060120 | BSD 60120 | BS 60/120 | |
| MM75BS110 | BSB075110-T | BSB 075110 | |||||
| MM9316W13H | L300H | 76TAC110 C11 | BSB 300 | ||||
| MM100BS150 | BSB 100150 | ||||||
| MM9321W13H | 101TAC145 C11 | BSB 400 | |||||
TIMKEN Spherical Plain Bearing Cross Reference Chart
| Timken | SKF | RBC |
|---|---|---|
| 100FS150 | GE100ES | MB100 |
| 10SBT16 | GAZ100SA | B16SA |
| 10SF16 | GEZ100ES | B16L |
| 10SF16TT | GEZ100ES-2RS | B16LSS |
| 110FS160 | GE110ES | MB110 |
| 120FS180 | GE120ES | MB120 |
| 12FS22 | GE12ES | MB12 |
| 12SBT20 | GAZ104SA | B20SA |
| 12SF20 | GEZ104ES | B20L |
| 12SF20TT | GEZ104ES-2RS | B20LSS |
| 13SBT22 | GAZ106SA | B22SA |
| 13SF22 | GEZ106ES | B22L |
| 140FS210 | GE140ES | MB140 |
| 15FS26 | GE15ES | MB15 |
| 15SBT24 | GAZ108SA | B24SA |
| 15SF24 | GEZ108ES | B24L |
| 15SF24TT | GEZ108ES-2RS | B24LSS |
| 160FS230 | GE160ES | MB160-9L |
| 17SF28 | GEZ112ES | B28L |
| 17SF28TT | GEZ112ES-2RS | B28LSS |
| 180FS260 | GE180ES | MB180-90 |
| 200FS290 | GE200ES | MB200-9L |
| 20FS35 | GE20ES | MB20 |
| 20SBT32 | GAZ200SA | B32SA |
| 20SF32 | GEZ200ES | B32L |
| 20SF32TT | GEZ200ES-2RS | B32LSS |
| 220FS320 | GE220ES | MB220-9L |
| 22SBT36 | GAZ204SA | B36SA |
| 22SF36 | GEZ204ES | B36L |
| 22SF36TT | GEZ204ES-2RS | B36LSS |
| 240FS340 | GE240ES | MB240-9L |
| 25SBT40 | GAZ208SA | B40SA |
| 25SF40 | GEZ208ES | B40L |
| 25SF40TT | GEZ208ES-2RS | B40LSS |
| 260FS370 | GE260ES | MB260-9L |
| 27SBT44 | GAZ212SA | B44SA |
| 27SF44 | GEZ212ES | B44L |
| 280FS400 | GE280ES | MB280-9L |
| 300FS430 | GE300ES | MB300-9L |
| 30FS47 | GE30ES | MB30 |
| 30SF48 | GEZ300ES | B48L |
| 30SF48TT | GEZ300ES-2RS | B48LSS |
| 32SBT52 | GAZ304SA | B52SA |
| 32SF52 | GEZ304ES | B52L |
| 35FS55 | GE35ES | MB35 |
| 35SF56 | GEZ308ES | B56L |
| 35SF56TT | GEZ308ES-2RS | B56LSS |
| 37SF60 | GEZ312ES | B60L |
| 40FS62 | GE40ES | MB40 |
| 40SBT64 | GAZ400SA | B64SA |
| 40SF64 | GEZ400ES | B64L |
| 40SF64TT | GEZ400ES-2RS | B64LSS |
| 45FS68 | GE45ES | MB45 |
| 45SBB72 | GEZ408ES | B72-9L |
| 50FS75 | GE50ES | MB50 |
| 50SBB80 | GEZ500ES | B80-9L |
| 50SBB80TT | GEZ500ES-2RS | B80-9LSS |
| 5SF8 | GEZ008ES | B8L |
| 60FS90 | GE60ES | MB60 |
| 60SBB96 | GEZ600ES | B96-9L |
| 60SBB96SS | GEZ600ES-2RS | B96-9LSS |
| 6SF10 | GEZ010ES | B10L |
| 70FS105 | GE70ES | MB70 |
| 70FSH120 | GEH70ES | MBH7080 |
| 7SBT12 | GAZ012SA | B12SA |
| 7SF12 | GEZ012ES | B12L |
| 7SF12TT | GEZ012ES-2RS | B12LSS |
| 80FS120 | GE80ES | MB80 |
| 8SF14 | GEZ014ES | B14L |
| 90FS130 | GE90ES | MB90 |
TIMKEN Bearing Interchange Precautions
Bearing exchange refers to replacing the original national brand bearings in the equipment with TIMKEN bearings. In order to ensure the smooth progress of the exchange, the following aspects need to be comprehensively considered:
Size matching
Bearing size is one of the most important factors in the interchange process. It mainly includes three parameters: inner diameter, outer diameter and width. When performing exchanges, you must ensure that these three dimensions of the TIMKEN bearing are exactly the same as the original bearing, otherwise the bearing may not be installed or operate unstable.
loading capacity
The load capacity of bearings includes radial load and axial load. Different application scenarios have different load capacity requirements for bearings. When performing exchanges, it is necessary to ensure that the load capacity of the TIMKEN bearing is at least equivalent to that of the original bearing to ensure the normal operation of the equipment.
Speed requirement
The rotational speed capability of the bearing is also one of the important factors to be considered during the interchange process. Different types of bearings have different maximum speed limits. When performing exchanges, it is necessary to ensure that TIMKEN bearings can meet the maximum speed requirements of the equipment to avoid equipment damage caused by insufficient speed.
Materials and lubrication
The material and lubrication method of the bearing also affect its performance and life. TIMKEN bearings use high-quality steel and advanced heat treatment technology to have excellent wear resistance and fatigue resistance. When performing exchanges, it is also necessary to consider the matching of lubrication methods to ensure the good operating condition of the bearings.
Case background
An NSK brand tapered roller bearing, model HR32014X, is used in the rolling mill equipment of a steel plant. Because the bearing has become worn after long-term high-load operation, it needs to be replaced. In order to improve the operational stability and life of the equipment, it was decided to replace it with TIMKEN bearings. By consulting the cross-reference table of TIMKEN bearings, we found that the TIMKEN model corresponding to NSK HR32014X bearings is 32014X. It is also a tapered roller bearing with completely matching dimensional parameters.
Interchange implementation
During the replacement process, the equipment was first fully inspected and it was confirmed that the dimensions of the bearing seat and shaft were fully compatible with TIMKEN 32014X bearings. Subsequently, the TIMKEN bearings were installed according to standard operating procedures and fully lubricated. After the installation was completed, a trial run was carried out and the equipment ran smoothly without abnormal noise or vibration.
Results and evaluation
After a period of operational monitoring, TIMKEN 32014X bearings performed outstandingly, not only effectively improving the operational stability of the equipment, but also extending the maintenance cycle of the equipment and reducing maintenance costs. This bearing exchange achieved good results.
Conclusion
Cross-referencing TIMKEN bearings with equivalent models from other national brands is a complex but necessary process. When cross-referencing, you need to accurately identify the bearing model, use appropriate cross-referencing tools and resources, and consider multiple factors such as size, load capacity, speed requirements, material and lubrication. And consult professional technical support when necessary.