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Inner Ring Part No. MI-20, MR Series Heavy Duty Needle Roller Bearings with Inner Ring
List Price QUOTE


Outer Ring and roller assembly with separable inner ring
Outer ring and roller assemblies and associated inner rings are packed and shipped separately. For a complete bearing, Specify both outer and inner numbers desired.



Unit of Measure: Imperial

 Specifications   

Military Standard Number
MS 500072-16

(B) Shaft Diameter
1.2500 in

(B) Dimension Tolerance
+0.0000/-0.0005

(D) Dimension
2.0625 in

(D) Dimension Tolerance
+0.0000/-0.0006

(W) Dimension
1.250 in

(W) Dimension Tolerance
+0.000/-0.005

(W1) Dimension
1.260 in

(W1) Dimension Tolerance
+0.000/-0.005

(H) Hole Dia.
3/32 in

(R) Max. Fillet for Shaft & Housing
0.060 in

Stationary Shaft Dia.
1.2496 in

Stationary Shaft Dia. Tolerance
+0.0000/-0.0005

Rotating Shaft Dia.
1.2505 in

Rotating Shaft Dia. Tolerance
+0.0000/-0.0005

Stationary Housing Bore Dia.
2.0632 in

Stationary Housing Bore Dia. Tolerance
+0.0000/-0.0005
+0.0000/-0.0007

Rotating Housing Bore Dia.
2.0621 in

Rotating Housing Bore Dia. Tolerance
+0.0000/-0.0007

Static Load Rating
20800 lb

Basic Dynamic Rating
13000 lb

Complete Assembly Item #
MR-24


 DOWNLOADS 

Pitchlign Roller Bearing Interchange Tables
(PDF, 389KB)

Bearing Failure Analysis