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).

140 mm x 210 mm x 53 mm  NSK TL23028CDKE4 spherical roller bearings
140 mm x 210 mm x 53 mm NSK TL23028CDKE4 spherical roller bearings
68/850/1080
850x1080x82
Toyana 22340 CW33 spherical roller bearings
Toyana 22340 CW33 spherical roller bearings
635ZZ
5x19x6
200 mm x 340 mm x 112 mm  NKE 23140-MB-W33 spherical roller bearings
200 mm x 340 mm x 112 mm NKE 23140-MB-W33 spherical roller bearings
6800-2RS
10x19x5
460 mm x 760 mm x 240 mm  NKE 23192-K-MB-W33 spherical roller bearings
460 mm x 760 mm x 240 mm NKE 23192-K-MB-W33 spherical roller bearings
68/850
850x1030x82
85 mm x 180 mm x 60 mm  FAG 22317-E1-K + H2317 spherical roller bearings
85 mm x 180 mm x 60 mm FAG 22317-E1-K + H2317 spherical roller bearings
T.P.N. 380
80
750 mm x 920 mm x 128 mm  ISB 238/750 K spherical roller bearings
750 mm x 920 mm x 128 mm ISB 238/750 K spherical roller bearings
68/850
850x1030x82
AST 22208MBW33 spherical roller bearings
AST 22208MBW33 spherical roller bearings
6704
20x27x4
130 mm x 230 mm x 80 mm  NSK 23226CKE4 spherical roller bearings
130 mm x 230 mm x 80 mm NSK 23226CKE4 spherical roller bearings
6801
12x21x5
65 mm x 120 mm x 31 mm  SKF 22213 EK spherical roller bearings
65 mm x 120 mm x 31 mm SKF 22213 EK spherical roller bearings
68/670
670x820x69
560 mm x 750 mm x 140 mm  NKE 239/560-K-MB-W33 spherical roller bearings
560 mm x 750 mm x 140 mm NKE 239/560-K-MB-W33 spherical roller bearings
R-4DD
6.35x15.875x4.978
30 mm x 72 mm x 19 mm  FAG 20306-TVP spherical roller bearings
30 mm x 72 mm x 19 mm FAG 20306-TVP spherical roller bearings
6809-2RS
45x58x7
Toyana 230/850 KCW33+H30/850 spherical roller bearings
Toyana 230/850 KCW33+H30/850 spherical roller bearings
6802
15x24x5
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angular contact ball bearings
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spherical roller bearings
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