SX

The SX series crossed cylindrical roller bearings, under similar shaft conditions compared to the RB series, feature a smaller cross-sectional size due to their ultra-thin design. The outer and inner rings do not have mounting holes, requiring flanges and support seats for installation, making them suitable for applications where the inner ring rotates. The dimensions of the inner and outer rings are minimized to the extreme, particularly in their ultra-thin structure approaching its limits, providing high rigidity. This makes them ideal for joints or rotating parts of industrial robots, rotating worktables in machining centers, robotic arm rotating parts, precision rotary tables, medical instruments, and similar applications.

Part Number	Bore Dia	Outer Dia	Width	Height(H)	Running Accuracy Radial	Weight
SX0118/500	500 mm	620 mm	56 mm	56 mm	0.04 mm	42.7 Kg
SX011814-A	70 mm	90 mm	10 mm	10 mm	0.01 mm	0.25 Kg
SX011818-A	90 mm	115 mm	13 mm	13 mm	0.01 mm	0.354 Kg
SX011820-A	100 mm	125 mm	13 mm	13 mm	0.01 mm	0.402 Kg
SX011824-A	120 mm	150 mm	16 mm	16 mm	0.01 mm	0.698 Kg
SX011828-A	140 mm	175 mm	18 mm	18 mm	0.015 mm	1.062 Kg
SX011832-A	160 mm	200 mm	20 mm	20 mm	0.015 mm	1.581 Kg
SX011836-A	180 mm	225 mm	22 mm	22 mm	0.015 mm	2.22 Kg
SX011840-A	200 mm	250 mm	24 mm	24 mm	0.015 mm	2.957 Kg
SX011848-A	240 mm	300 mm	28 mm	28 mm	0.02 mm	4.96 Kg
SX011860	300 mm	380 mm	38 mm	38 mm	0.02 mm	11.6 Kg
SX011868	340 mm	420 mm	38 mm	38 mm	0.025 mm	12.92 Kg
SX011880	400 mm	500 mm	46 mm	46 mm	0.03 mm	23.221 Kg

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Crossed cylindrical roller bearings typically use cylindrical or tapered rollers arranged in a crossed manner within a single raceway groove, separated by brass retainers or engineering plastic spacers. This configuration ensures high rotational precision, large load capacity, compact size, high rotational speed, and rigidity. Crossed roller bearings primarily provide support and reduce friction in mechanical systems, suitable for applications requiring high speed, radial, axial, and moment loads. The dimensions of the inner and outer rings are minimized to the utmost, especially in their ultra-thin structure approaching its limits, and possess high rigidity. Structural characteristics of SX crossed cylindrical roller bearings include:

Rollers and raceways in line contact or point contact, providing high radial load capacity suitable for heavy and impact loads.
Low friction coefficient, suitable for high-speed applications approaching the limits of deep groove ball bearings.
Types N and NU allow axial movement, accommodating variations in relative positions between shafts and housings due to thermal expansion or installation errors, suitable for use as free-end supports.
Requires high precision machining of shafts or housing holes. After bearing installation, strict control of the relative skew of the outer ring shaft is necessary to avoid stress concentration.
Inner or outer rings are detachable, facilitating convenient installation and removal.

Customization options:

Size range: Inner diameter from 70mm to 500mm, outer diameter from 90mm to 620mm.

Precision grade: P6, P5, P4, P2.

Seal symbol: Unsealed.

SX crossed cylindrical roller bearings are designed for applications requiring minimal space and high rigidity, making them versatile in various industrial and precision machinery settings.

SX

Customization options:

Bearing Catalogue