R4-2RS Stainless Steel Ball Bearings

R4-2RS Bearing Description :

R4-2RS, R4 2RS, R4 RS, R4RS, R4-ZZ, R4 ZZ, R4ZZ, R4 Z

Inch Dimension :

Inner diameter :1/4 " inch

Outer diameter :5/8" inch

Height :0.196" inch

Metric Dimension:

Inside Diameter: 6.35mm

Outside Diameter :15.875mm

Width:4.978mm

Material :

Balls : stainlee steel 420

Inner ring :stainlee steel 420

Outer ring : stainlee steel 420

Cage :stainlee steel 440

Seal : black rubber seal (NBR)

lubrication : Grease

Ball quantity:8 PCS

We also can produce with 52100 Chrome steel material.

Basic dynamic load rating：852 N

Basic static load rating：315 N

Speed :

Max Speed (Grease)：38,000 rpm

Max Speed (Oil)：45,000 rpm

We Can Produce Three Type Seals R4 Inch Ball Bearings:

1.Open bearings dissipate heat more efficiently than shielded and sealed bearings.

2.R4ZZ Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.

3.R4-2RS Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.