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Bearing N312 (AST)
Cylindrical Roller Bearings N312
Bearing number : N312
Size (mm) : 60x130x31
Brand : AST
Bore Diameter (mm) : 60
Outer Diameter (mm) : 130
Width (mm) : 31
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - N
Bore Dia (d) - 60.0000
Outer Dia (D) - 130.0000
Width (B) - 31.0000
Radius (min) (rs) - 2.100
Dynamic Load Rating (Cr) - 121,000
Static Load Rating (Cor) - 123,000
Max Speed (Grease) (X1000 RPM) - 5
Max Speed (Oil) (X1000 RPM) - 5
Max. Shaft Shoulder Dia. Inner (Li) - 77.0
Min. Housing Shoulder Dia., Outer (Lo) - 113.0
Weight (g) - 1,800.00
Precision - RBEC 1
Standard Clearance - C0
Material - 52100 Chrome steel, or equivalent
Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".
Suffix definitions are listed in the Nomenclature Technical document.
This bearing is also available with a retaining ring groove in the outer race, and it can be supplied with the ring (suffix NR) or without the ring (suffix N). Please see the Technical Information Sheet for the groove and ring dimensions.
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