All Categories > Roller Bearings > Needle Roller Bearings > Heavy Duty Needle Roller Bearings > MR Series Heavy Duty Needle Roller Bearings with Seals and Inner Rings > Inner Ring Part No. MI-44  
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Inner Ring Part No. MI-44, MR Series Heavy Duty Needle Roller Bearings with Seals and Inner Rings
List Price QUOTE


Outer ring and roller assembly with separable inner ring
For a complete bearing, specify both outer and inner, as each is packed and shipped separately. Consult McGill Engineering Department for additional information on CAGEROL® bearing sizes not listed as available with seals. The suffix "SS" indicates double seals with lips turned in (illustrated at right). This construction is most common and is intended primarily for lubrication retention. For other seal combinations.

Note: Not available from stock. Consult McGill Customer Service for availability.



Unit of Measure: Imperial

 Specifications   

(B) Dimension
2.7500 in

(B) Dimension Tolerance
+0.0000/-0.0006

(D) Dimension
4.2500 in

(D) Dimension Tolerance
+0.0000/-0.0008

(W) Dimension
1.750 in

(W1) Dimension
1.760

(H) Hole Dia.
3/16 in

(R) Max. Fillet for Shaft & Housing
0.080

Stationary Shaft Dia.
2.7497 in

Stationary Housing Bore Dia. Tolerance
+0.0000/-0.0010

Rotating Shaft Dia.
2.7508 in

Rotating Shaft Dia. Tolerance
+0.0000/-0.0008

Stationary Housing Bore Dia.
4.2508 in

Stationary Shaft Dia. Tolerance
+0.0000/-0.0008

Rotating Housing Bore Dia.
4.2495 in

Rotating Housing Bore Dia. Tolerance
+0.0000/-0.0010

Static Load Rating
54300 lb

Basic Dynamic Rating
25100 lb

Complete Assembly Item #
MR-52-SS


 DOWNLOADS 

Pitchlign Roller Bearing Interchange Tables
(PDF, 389KB)

Bearing Failure Analysis