NTN Bearing de Mexico, S.A.

SKF 61903 Bearing

 

spherical roller bearings

Spherical Roller Bearings are designed to work in applications where severe misalignment exists whether from mounting or shaft deflection and with relatively heavy radial loads and some axial loads in either direction. They are also extremely resistant to shock loads and their self-aligning feature allows full capacity loading despite shaft deflection. They are very similar in purpose to Self-Aligning Double Row Ball Bearings, except the Spherical Roller Bearings are designed to be more robust by carry heavier loads but at lower maximum speeds. These bearings have barrel-shaped rollers between the inner ring, which has two raceways, and the outer ring which has one spherical raceway. They are self-aligning because the center of curvature of the outer ring raceway surface coincides with the bearing axis.

Standard Spherical Roller Bearings are produced with straight bores; however, tapered bores are available upon request and may be mounted directly on tapered shafts. Pressed steel and machined brass cages are typically used.

The boundary dimensions of rolling bearings are the dimensions that define their external geometry and have been internationally standardized (ISO 15) and adopted by JIS B 1512 (Boundary Dimensions of Rolling Bearings).

40 mm x 90 mm x 23 mm  NTN 21308CK spherical roller bearings
40 mm x 90 mm x 23 mm NTN 21308CK spherical roller bearings
NNU49/500 V
500x670x170
100 mm x 165 mm x 52 mm  NSK 23120L11CAM spherical roller bearings
100 mm x 165 mm x 52 mm NSK 23120L11CAM spherical roller bearings
68/600
600x730x60
85 mm x 150 mm x 36 mm  FAG 22217-E1 spherical roller bearings
85 mm x 150 mm x 36 mm FAG 22217-E1 spherical roller bearings
6300-2NKE
10x35x11
340 mm x 520 mm x 180 mm  ISB 24068 K30 spherical roller bearings
340 mm x 520 mm x 180 mm ISB 24068 K30 spherical roller bearings
6844-2RS
220x270x24
AST 24048MBK30W33 spherical roller bearings
AST 24048MBK30W33 spherical roller bearings
NJ2340
200x420x138
Toyana 23256 KCW33+AH2356 spherical roller bearings
Toyana 23256 KCW33+AH2356 spherical roller bearings
6802
15x24x5
AST 24130CA spherical roller bearings
AST 24130CA spherical roller bearings
68/600
600x730x60
50 mm x 90 mm x 20 mm  ISO 20210 K spherical roller bearings
50 mm x 90 mm x 20 mm ISO 20210 K spherical roller bearings
NH2244 E
220x400x108
150 mm x 250 mm x 100 mm  NKE 24130-CE-W33 spherical roller bearings
150 mm x 250 mm x 100 mm NKE 24130-CE-W33 spherical roller bearings
6344-M
220x460x88
440 mm x 720 mm x 280 mm  NTN 24188B spherical roller bearings
440 mm x 720 mm x 280 mm NTN 24188B spherical roller bearings
6800ZZ
10x19x5
560 mm x 820 mm x 195 mm  FAG 230/560-B-MB spherical roller bearings
560 mm x 820 mm x 195 mm FAG 230/560-B-MB spherical roller bearings
6912-RZ
60x85x13
300 mm x 460 mm x 160 mm  KOYO 24060RK30 spherical roller bearings
300 mm x 460 mm x 160 mm KOYO 24060RK30 spherical roller bearings
68/750
750x920x78
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angular contact ball bearings
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