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Action Bearing Company
201 Brighton Avenue
Boston, MA 02134
Phone: (800) 225-4587 • Fax: (800) 252-1996
Email: info@actionbearing.com
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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.
MR series Without Ring
Unit of Measure
1 2 3 

Complete Assembly Item #

(S) Shaft Diameter

(D) Dimension

(W) Dimension

(H) Hole Dia.

(R) Max. Fillet for Housing

MR-140 N/A 8.7500 in N/A 10.6250 in N/A 3.000 in N/A 1/4 in N/A 0.160 in
MR-146 N/A 9.2500 in N/A 11.1250 in N/A 3.000 in N/A 1/4 in N/A 0.160 in
Unit of Measure
1 2 3