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Bearing RNA6912 (AST)

Bearing RNA6912

Needle Roller Bearings, Precision - Metric Series RNA6912

Bearing number : RNA6912

Size (mm) : 68x85x45

Brand : AST

Bore Diameter (mm) : 68

Outer Diameter (mm) : 85

Width (mm) : 45

Bearing dimensions and specification in AST catalogue:

(dimensions in mm)

Bearing Type - Double Row

Outer Dia (D) - 85.0000

Width (B) - 45.0000

Dynamic Load Rating (Cr) - 94,000

Static Load Rating (Cor) - 191,000

Max Speed (Oil) (X1000 RPM) - 6,500

Shaft (Fw) - 68.000

Weight (g) - 488.00

Material - 52100 Chrome steel, or equivalent

The bearing must be used with a hardened inner ring, or a hardened shaft.

Some sizes are available with either a single seal or two seals.

Tags :  AST , 68x85x45

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