Bearing RNA4920 (AST)

Needle Roller Bearings, Precision - Metric Series RNA4920

Bearing number : RNA4920

Size (mm) : 115x140x40

Brand : AST

Bore Diameter (mm) : 115

Outer Diameter (mm) : 140

Width (mm) : 40

Bearing dimensions and specification in AST catalogue:

(dimensions in mm)

Bearing Type - Single Row, Heavy Duty

Outer Dia (D) - 140.0000

Width (B) - 40.0000

Dynamic Load Rating (Cr) - 128,000

Static Load Rating (Cor) - 270,000

Max Speed (Oil) (X1000 RPM) - 4,100

Shaft (Fw) - 115.000

Weight (g) - 1,150.00

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: