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Outer ring and roller assembly without separable inner ring
The outer ring and roller assemblies (MR) shown in this table are for use without inner rings on a ground shaft for which a minimum hardness of 58 Rockwell "C" scale is recommended.
Unit of Measure

Military Standard Number

 N/A MS 51961-31

(S) Shaft Diameter

 N/A 2.2500 in

(S) Shaft Dia. Tolerance

 N/A +0.0000/-0.0004

(D) Dimension

 N/A 3.0000 in

(D) Dimension Tolerance

 N/A +0.0000/-0.0006

(W) Dimension

 N/A 1.500 in

(W) Dimension Tolerance

 N/A +0.000/-0.005

(H) Hole Dia.

 N/A 1/8 in

(R) Max. Fillet for Housing

 N/A 0.080 in

Stationary Housing Bore Dia.

 N/A 3.0007 in

Stationary Housing Bore Dia. Tolerance

 N/A +0.0000/-0.0007

Rotating Housing Bore Dia.

 N/A 2.9996 in

Rotating Housing Bore Dia. Tolerance

 N/A +0.0000/-0.0007

Static Load Rating

 N/A 39100 lb

Basic Dynamic Rating

 N/A 22400 lb