Action Bearing Co.
201 Brighton Ave., Boston, MA 02134 US
Phone: 800.225.4587 • Fax: 800.252.1996
E-Mail: info@actionbearing.com • Web site: www.actionbearing.com
All Categories > Roller Bearings > Needle Roller Bearings > Heavy Duty Needle Roller Bearings > MR Series Heavy Duty Needle Roller Bearings with Inner Ring > Inner Ring Part No. MI-31  


Inner Ring Part No. MI-31, 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.



 Specifications 

Military Standard Number
MS 500072-26

(B) Shaft Diameter
1.9375 in

(B) Dimension Tolerance
+0.0000/-0.0005

(D) Dimension
3.2500 in

(D) Dimension Tolerance
+0.0000/-0.0006

(W) Dimension
1.750 in

(W) Dimension Tolerance
+0.000/-0.005

(W1) Dimension
1.760 in

(W1) Dimension Tolerance
+0.000/-0.005

(H) Hole Dia.
1/8 in

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

Stationary Shaft Dia.
1.9371 in

Stationary Shaft Dia. Tolerance
+0.0000/-0.0005

Rotating Shaft Dia.
1.9380 in

Rotating Shaft Dia. Tolerance
+0.0000/-0.0005

Stationary Housing Bore Dia.
3.2507 in

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

Rotating Housing Bore Dia.
3.2496 in

Rotating Housing Bore Dia. Tolerance
+0.0000/-0.0007

Static Load Rating
52100 lb

Basic Dynamic Rating
27200 lb

Complete Assembly Item #
MR-40