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Emerson Bearing Company
201 Brighton Avenue
Boston, MA 02134
Phone: (800) 225-4587 • Fax: (800) 252-1996
Email: info@emersonbearing.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-6-N N/A 0.3750 in N/A 1.1250 in N/A 0.750 in N/A 0.760 in N/A 5/64 in N/A MR-10-N
MI-7-N N/A 7/16 in N/A 1.1250 in N/A 0.750 in N/A 0.760 in N/A 5/64 in N/A MR-10-N
MI-6 N/A 0.3750 in N/A 1.1250 in N/A 1.000 in N/A 1.010 in N/A 5/64 in N/A MR-10
MI-8-N N/A 1/2 in N/A 1-1/4 in N/A 0.750 in N/A 0.760 in N/A 5/64 in N/A MR-12-N
MI-9-N N/A 0.5625 in N/A 1-1/4 in N/A 0.750 in N/A 0.760 in N/A 5/64 in N/A MR-12-N
MI-8 N/A 1/2 in N/A 1-1/4 in N/A 1.000 in N/A 1.010 in N/A 5/64 in N/A MR-12
MI-10-N N/A 0.6250 in N/A 1.3750 in N/A 0.750 in N/A 0.760 in N/A 5/64 in N/A MR-14-N
MI-11-N N/A 0.6875 in N/A 1.3750 in N/A 0.750 in N/A 0.760 in N/A 5/64 in N/A MR-14-N
MI-10 N/A 0.6250 in N/A 1.3750 in N/A 1.000 in N/A 1.010 in N/A 5/64 in N/A MR-14
MI-12-N N/A 0.7500 in N/A 1-1/2 in N/A 0.750 in N/A 0.760 in N/A 5/64 in N/A MR-16-N
MI-13-N N/A 0.8125 in N/A 1-1/2 in N/A 0.750 in N/A 0.760 in N/A 5/64 in N/A MR-16-N
MI-12 N/A 0.7500 in N/A 1-1/2 in N/A 1.000 in N/A 1.010 in N/A 5/64 in N/A MR-16
MI-13 N/A 0.8125 in N/A 1-1/2 in N/A 1.000 in N/A 1.010 in N/A 5/64 in N/A MR-16
MI-14-N N/A 0.8750 in N/A 1- 5/8 in N/A 1.000 in N/A 1.010 in N/A 3/32 in N/A MR-18-N
MI-15-N N/A 0.9375 in N/A 1- 5/8 in N/A 1.000 in N/A 1.010 in N/A 3/32 in N/A MR-18-N
MI-14 N/A 0.8750 in N/A 1- 5/8 in N/A 1.250 in N/A 1.260 in N/A 3/32 in N/A MR-18
MI-15 N/A 0.9375 in N/A 1- 5/8 in N/A 1.250 in N/A 1.260 in N/A 3/32 in N/A MR-18
MI-16-N N/A 1.0000 in N/A 1.7500 in N/A 1.000 in N/A 1.010 in N/A 3/32 in N/A MR-20-N
MI-16 N/A 1.0000 in N/A 1.7500 in N/A 1.250 in N/A 1.260 in N/A 3/32 in N/A MR-20
MI-18-N N/A 1.1250 in N/A 1.8750 in N/A 1.000 in N/A 1.010 in N/A 3/32 in N/A MR-22-N
MI-17 N/A 1.0625 in N/A 1.8750 in N/A 1.250 in N/A 1.260 in N/A 3/32 in N/A MR-22
MI-18 N/A 1.1250 in N/A 1.8750 in N/A 1.250 in N/A 1.260 in N/A 3/32 in N/A MR-22
MI-20-N N/A 1.2500 in N/A 2.0625 in N/A 1.000 in N/A 1.010 in N/A 3/32 in N/A MR-24-N
MI-19 N/A 1.1875 in N/A 2.0625 in N/A 1.250 in N/A 1.260 in N/A 3/32 in N/A MR-24
MI-20 N/A 1.2500 in N/A 2.0625 in N/A 1.250 in N/A 1.260 in N/A 3/32 in N/A MR-24
Unit of Measure
1 2 3 4