Spherical roller bearings

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Spherical roller bearing is a rolling-element bearing that permits rotation with low friction, and permits angular misalignment. Typically these bearings support a rotating shaft in the bore of the inner ring that may be misaligned in respect to the outer ring. The misalignment is possible due to the spherical internal shape of the outer ring and spherical rollers. Despite what their name may imply, spherical roller bearings are not truly spherical in shape. The rolling elements of spherical roller bearings are mainly cylindrical in shape, but have a profile that makes them appear like cylinders that have been slightly over-inflated.

Spherical roller bearings consist of an inner ring with two raceways inclined at an angle to the bearing axis, an outer ring with a common spherical raceway, spherical rollers, cages and, in certain designs, also internal guide rings or center rings. The bearings can also be sealed.

Bearing Number	Bore Dia	Width	Size
80 mm x 170 mm x 39 mm ISO 21316 KW33 spherical roller bearings	Pillow Block	N/A	19.522
220 mm x 400 mm x 144 mm KOYO 23244R spherical roller bearings	Flange Block	N/A	1.898
Toyana 22208MW33 spherical roller bearings	Flange Block	N/A	14.528
AST 23256MBW33 spherical roller bearings	Pillow Block	N/A	9.988
440 mm x 650 mm x 212 mm ISO 24088W33 spherical roller bearings	Pillow Block	N/A	1.825
280 mm x 500 mm x 130 mm SKF 22256CCK/W33 spherical roller bearings	Flange Block	N/A	14.528
Toyana 239/950 KCW33+H39/950 spherical roller bearings	Bearings	N/A	0.831
Toyana 230/530 KCW33+AH30/530 spherical roller bearings	Bearings	N/A	64
130 mm x 230 mm x 80 mm SKF 23226-2CS5K/VT143 spherical roller bearings	Pillow Block	N/A	32.688
180 mm x 320 mm x 112 mm NSK 23236CE4 spherical roller bearings	Bearings	N/A	0