Bearing RNA4908 (AST)

Needle Roller Bearings, Precision - Metric Series RNA4908

Bearing number : RNA4908

Size (mm) : 48x62x22

Brand : AST

Bore Diameter (mm) : 48

Outer Diameter (mm) : 62

Width (mm) : 22

Bearing dimensions and specification in AST catalogue:

(dimensions in mm)

Bearing Type - Single Row, Heavy Duty

Outer Dia (D) - 62.0000

Width (B) - 22.0000

Dynamic Load Rating (Cr) - 43,000

Static Load Rating (Cor) - 67,000

Max Speed (Oil) (X1000 RPM) - 9,500

Shaft (Fw) - 48.000

Weight (g) - 140.00

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.

Designation

Bore Dia, mm

Outer Dia, mm: