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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-10-N N/A 0.6250 in N/A 1.1250 in N/A 0.750 in N/A 5/64 in N/A 0.025 in
MR-10 N/A 0.6250 in N/A 1.1250 in N/A 1.000 in N/A 5/64 in N/A 0.025 in
MR-12-N N/A 0.7500 in N/A 1-1/4 in N/A 0.750 in N/A 5/64 in N/A 0.040 in
MR-12 N/A 0.7500 in N/A 1-1/4 in N/A 1.000 in N/A 5/64 in N/A 0.040 in
MR-14-N N/A 0.8750 in N/A 1.3750 in N/A 0.750 in N/A 5/64 in N/A 0.040 in
MR-14 N/A 0.8750 in N/A 1.3750 in N/A 1.000 in N/A 5/64 in N/A 0.040 in
MR-16-N N/A 1.0000 in N/A 1-1/2 in N/A 1.000 in N/A 5/64 in N/A 0.040 in
MR-16 N/A 1.0000 in N/A 1-1/2 in N/A 1.250 in N/A 5/64 in N/A 0.040 in
MR-18-N N/A 1.1250 in N/A 1- 5/8 in N/A 1.000 in N/A 3/32 in N/A 0.040 in
MR-18 N/A 1.1250 in N/A 1- 5/8 in N/A 1.250 in N/A 3/32 in N/A 0.040 in
MR-20-N N/A 1.2500 in N/A 1.7500 in N/A 1.000 in N/A 3/32 in N/A 0.040 in
MR-20 N/A 1.2500 in N/A 1.7500 in N/A 1.250 in N/A 3/32 in N/A 0.040 in
MR-22-N N/A 1.3750 in N/A 1.8750 in N/A 1.000 in N/A 3/32 in N/A 0.040 in
MR-22 N/A 1.3750 in N/A 1.8750 in N/A 1.250 in N/A 3/32 in N/A 0.040 in
MR-24-N N/A 1.5000 in N/A 2.0625 in N/A 1.000 in N/A 3/32 in N/A 0.060 in
MR-24 N/A 1.5000 in N/A 2.0625 in N/A 1.250 in N/A 3/32 in N/A 0.060 in
MR-26-N N/A 1.6250 in N/A 2.1875 in N/A 1.000 in N/A 3/32 in N/A 0.060 in
MR-26 N/A 1.6250 in N/A 2.1875 in N/A 1.250 in N/A 3/32 in N/A 0.060 in
MR-28-N N/A 1.7500 in N/A 2.3125 in N/A 1.000 in N/A 3/32 in N/A 0.060 in
MR-28 N/A 1.7500 in N/A 2.3125 in N/A 1.250 in N/A 3/32 in N/A 0.060 in
MR-30-N N/A 1.8750 in N/A 2.4375 in N/A 1.000 in N/A 3/32 in N/A 0.060 in
MR-30 N/A 1.8750 in N/A 2.4375 in N/A 1.250 in N/A 3/32 in N/A 0.060 in
MR-31 N/A 1.9375 in N/A 2.5000 in N/A 1.250 in N/A 3/32 in N/A 0.060 in
MR-32-N N/A 2.0000 in N/A 2.5625 in N/A 1.000 in N/A 3/32 in N/A 0.060 in
MR-32 N/A 2.0000 in N/A 2.5625 in N/A 1.250 in N/A 3/32 in N/A 0.060 in
Unit of Measure
1 2 3