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Bearing NUP308 ETN (AST)
Cylindrical Roller Bearings NUP308 ETN
Bearing number : NUP308 ETN
Size (mm) : 40x90x23
Brand : AST
Bore Diameter (mm) : 40
Outer Diameter (mm) : 90
Width (mm) : 23
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - NUP
Bore Dia (d) - 40.0000
Outer Dia (D) - 90.0000
Width (B) - 23.0000
Radius (min) (rs) - 1.500
Dynamic Load Rating (Cr) - 85,300
Static Load Rating (Cor) - 84,500
Max Speed (Grease) (X1000 RPM) - 7
Max Speed (Oil) (X1000 RPM) - 9
Max. Shaft Shoulder Dia. Inner (Li) - 52.0
Weight (g) - 689.00
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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