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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 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.
MR Series
Unit of Measure
1 2 3 4 

Inner Ring Part No.

(B) Shaft Diameter

(D) Dimension

(W) Dimension

(W1) Dimension

(H) Hole Dia.

Complete Assembly Item #

MI-112 N/A 7.0000 in N/A 10.1250 in N/A 3.000 in N/A 3.015 in N/A 1/4 in N/A MR-132
MI-120 N/A 7.5000 in N/A 10.6250 in N/A 3.000 in N/A 3.015 in N/A 1/4 in N/A MR-140
MI-128 N/A 8.0000 in N/A 11.1250 in N/A 3.000 in N/A 3.015 in N/A 1/4 in N/A MR-148
Unit of Measure
1 2 3 4