Bearing RNA4844 (AST)

Needle Roller Bearings, Precision - Metric Series RNA4844

Bearing number : RNA4844

Size (mm) : 240x270x50

Brand : AST

Bore Diameter (mm) : 240

Outer Diameter (mm) : 270

Width (mm) : 50

Bearing dimensions and specification in AST catalogue:

(dimensions in mm)

Bearing Type - Single Row, Narrow

Outer Dia (D) - 270.0000

Width (B) - 50.0000

Dynamic Load Rating (Cr) - 243,000

Static Load Rating (Cor) - 790,000

Max Speed (Oil) (X1000 RPM) - 1,900

Shaft (Fw) - 240.000

Weight (g) - 3,620.00

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: