Bearing R4A (AST)

"R" Series Ball Bearings R4A

Bearing number : R4A

Brand : AST

Bore Diameter (mm) : 6,35

Outer Diameter (mm) : 19,05

Width (mm) : 5,55752

Bearing dimensions and specification in AST catalogue:

(dimensions in inches)

Bearing Type - Open

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.7500

Width (B) - 0.2188

Radius (min) (rs) - 0.016

Dynamic Load Rating (Cr) - 525

Static Load Rating (Cor) - 190

Max Speed (Grease) (X1000 RPM) - 36

Max Speed (Oil) (X1000 RPM) - 43

Max. Shaft Shoulder Dia. Inner (Li) - 0.4

Min. Housing Shoulder Dia., Outer (Lo) - 0.6

Ball Qty - 6

Ball Dia (Dw) - 0.1378

Weight (g) - 7.48

Precision - A1

Standard Clearance - K25

Material - 52100 Chrome steel (or equivalent)

Also available in Stainless Steel, add prefix "S"

ABEC Grades 1, 3, 5, 7, and 9 are available.

Tags : AST

Designation

Bore Dia, mm

Outer Dia, mm: