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Bearing S2812 (AST)
Needle Roller Bearings - Inch Series S2812
Bearing number : S2812
Brand : AST
Bore Diameter (mm) : 44,45
Outer Diameter (mm) : 53,975
Width (mm) : 19,05
Bearing dimensions and specification in AST catalogue:
(dimensions in inches)
Bearing Type - Full Complement, Mechanically Retained Rollers
Outer Dia (D) - 2.1250
Width (B) - 0.7500
Dynamic Load Rating (Cr) - 8,100
Static Load Rating (Cor) - 16,900
Max Speed (Grease) (X1000 RPM) - 2,490
Shaft (Fw) - 1.750
Weight (g) - 80.00
Material - Drawn cup: Hardened carbon steel alloy, Rollers - 52100 Chrome steel or equivalent
Some sizes are available with a closed end.
The bearing must be used with a hardened inner ring, or a hardened shaft.
Some sizes are available as full complement grease retained roller design.
Tags : AST
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