NTN Bearing de Mexico, S.A.

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).

90 mm x 160 mm x 52,4 mm NTN 23218B spherical roller bearings
6708
40x50x6
200 mm x 340 mm x 140 mm ISO 24140W33 spherical roller bearings
6822-2RZ
110x140x16
340 mm x 620 mm x 224 mm NKE 23268-MB-W33 spherical roller bearings
6807ZZE
35x47x7
750 mm x 1000 mm x 185 mm NSK 239/750CAE4 spherical roller bearings
68/710
710x870x74
AST 23138MBW33 spherical roller bearings
675
5x8x2
130 mm x 280 mm x 93 mm NSK 22326CKE4 spherical roller bearings
678A
8x12x2.5
Toyana 22208 CW33 spherical roller bearings
672H
2x4x1.2
75 mm x 130 mm x 25 mm ISO 20215 KC+H215 spherical roller bearings
6309-Z-NR
45x100x25
Toyana 22220 KCW33+AH320 spherical roller bearings
6800LUZ
10x19x5
130 mm x 210 mm x 64 mm SKF 23126CCK/W33 spherical roller bearings
6418-M
90x225x54
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