Bearing RNA4852 (AST)

Needle Roller Bearings, Precision - Metric Series RNA4852

Bearing number : RNA4852

Size (mm) : 285x320x60

Brand : AST

Bore Diameter (mm) : 285

Outer Diameter (mm) : 320

Width (mm) : 60

Bearing dimensions and specification in AST catalogue:

(dimensions in mm)

Bearing Type - Single Row, Narrow

Outer Dia (D) - 320.0000

Width (B) - 60.0000

Dynamic Load Rating (Cr) - 370,000

Static Load Rating (Cor) - 1,160,000

Max Speed (Oil) (X1000 RPM) - 1,600

Shaft (Fw) - 285.000

Weight (g) - 5,800.00

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: