Spherical Roller Bearings

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A 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 (barrel like) profile that makes them appear like cylinders that have been slightly over-inflated (i.e. like a barrel).Most spherical roller bearings are designed with two rows of rollers, allowing them to take very heavy radial loads and heavy axial loads. There are also designs with one row of rollers, suitable for lower radial loads and virtually no axial load. These are also called "barrel roller bearings" or "Tonnenlager" and are typically available in the 202- and 203-series.

Bearing Number	Bore Dia	Outer DIa	Width	Size
3.543 Inch \| 90 Millimeter x 6.299 Inch \| 160 Millimeter x 1.575 Inch \| 40 Millimeter Timken 22218EMW33C3 Spherical Roller Bearings	49	2.60 KGS	4.75	23mm
Timken 22219EMW33C3 Spherical Roller Bearings	ASTM, SAE	3 ft	W1	SAE J-437, ASTM A-68
Timken 22224EMW33C3 Spherical Roller Bearings	3-5/16 in	31800 lb	2000	8.6250 in
Timken 22220KEMW33C3 Spherical Roller Bearings	2.5	20 mm	700 r/min	390 kN
Timken 22318EJW33 Spherical Roller Bearings	Bronze	RoHS, ASTM B438 Grad	1/2 in	Oil-Filled Grooves
Timken 23326EMW47W25 Spherical Roller Bearings	0 °F to 185 °	Uncoated	40 mm	90 mm