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).

85 mm x 150 mm x 28 mm  ISO 20217 spherical roller bearings
85 mm x 150 mm x 28 mm ISO 20217 spherical roller bearings
6409
45x120x29
Toyana 22207MW33 spherical roller bearings
Toyana 22207MW33 spherical roller bearings
6803-2NSE
17x26x5
190 mm x 400 mm x 132 mm  SKF 22338CCK/W33 spherical roller bearings
190 mm x 400 mm x 132 mm SKF 22338CCK/W33 spherical roller bearings
6419
95x240x55
630 mm x 920 mm x 290 mm  KOYO 240/630R spherical roller bearings
630 mm x 920 mm x 290 mm KOYO 240/630R spherical roller bearings
677ZZ
7x11x3
130 mm x 200 mm x 69 mm  KOYO 24026RH spherical roller bearings
130 mm x 200 mm x 69 mm KOYO 24026RH spherical roller bearings
423180
400x650x250
40 mm x 90 mm x 23 mm  FAG 21308-E1-K + H308 spherical roller bearings
40 mm x 90 mm x 23 mm FAG 21308-E1-K + H308 spherical roller bearings
68/900
900x1090x85
65 mm x 120 mm x 31 mm  SKF E2.22213 spherical roller bearings
65 mm x 120 mm x 31 mm SKF E2.22213 spherical roller bearings
697-2RS
7x17x5
260 mm x 440 mm x 144 mm  NKE 23152-K-MB-W33+AH3152 spherical roller bearings
260 mm x 440 mm x 144 mm NKE 23152-K-MB-W33+AH3152 spherical roller bearings
DG4080WRKBSH2C4
40x80x23
240 mm x 360 mm x 118 mm  KOYO 24048R spherical roller bearings
240 mm x 360 mm x 118 mm KOYO 24048R spherical roller bearings
68/750
750x920x78
500 mm x 720 mm x 167 mm  NTN 230/500BK spherical roller bearings
500 mm x 720 mm x 167 mm NTN 230/500BK spherical roller bearings
6417-M
85x210x52
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angular contact ball bearings
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spherical roller bearings
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