Ball Bearings

Ball Bearings » Extra Light Inch

NPB R4A-Z Bearing R Series | Extra Light Inch Ball Bearings

Select Option

R4A Open
R4A-Z 1 Shield
R4A-ZZ 2 Shields
R4A-RS 1 Contact Seal
R4A-2RS 2 Contact Seals
Select Retain. Ring R4A-NR Retaining Ring + Groove on O.D.

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NPB Part No: R4A-Z

Specifications

Dynamic Load Dimensional Diagram

Shields: 1
Material: Standard SAE 52100 *
Bore ^d: 1/4" .2500" -.0003
Outside Diameter ^D: 3/4" .7500" -.0004
Width ^B: .2812" +.0000/-.0050
Max Fillet Radius: .016"
No Balls: 6
Ball Diameter: 9/54"
Static Load: 150 lbs.
Dynamic Load: 320 lbs.