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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-36-N N/A 2.2500 in N/A 3.0000 in N/A 1.500 in N/A 1/8 in N/A 0.080 in
MR-36 N/A 2.2500 in N/A 3.0000 in N/A 1.750 in N/A 1/8 in N/A 0.080 in
MR-40-N N/A 2.5000 in N/A 3.2500 in N/A 1.500 in N/A 1/8 in N/A 0.080 in
MR-40 N/A 2.5000 in N/A 3.2500 in N/A 1.750 in N/A 1/8 in N/A 0.080 in
MR-44-N N/A 2.7500 in N/A 3.5000 in N/A 1.500 in N/A 1/8 in N/A 0.080 in
MR-44 N/A 2.7500 in N/A 3.5000 in N/A 1.750 in N/A 1/8 in N/A 0.080 in
MR-48-N N/A 3.0000 in N/A 3.7500 in N/A 1.500 in N/A 1/8 in N/A 0.080 in
MR-48 N/A 3.0000 in N/A 3.7500 in N/A 1.750 in N/A 1/8 in N/A 0.080 in
MR-52 N/A 3.2500 in N/A 4.2500 in N/A 1.750 in N/A 3/16 in N/A 0.080 in
MR-56-N N/A 3.5000 in N/A 4.5000 in N/A 1.750 in N/A 3/16 in N/A 0.080 in
MR-56 N/A 3.5000 in N/A 4.5000 in N/A 2.000 in N/A 3/16 in N/A 0.080 in
MR-60 N/A 3.7500 in N/A 4.7500 in N/A 2.000 in N/A 3/16 in N/A 0.100 in
MR-64 N/A 4.0000 in N/A 5.0000 in N/A 2.000 in N/A 3/16 in N/A 0.100 in
MR-68 N/A 4.2500 in N/A 5.2500 in N/A 2.000 in N/A 3/16 in N/A 0.100 in
MR-72 N/A 4.5000 in N/A 6.0000 in N/A 2.250 in N/A 3/16 in N/A 0.100 in
MR-80 N/A 5.0000 in N/A 6.5000 in N/A 2.250 in N/A 3/16 in N/A 0.100 in
MR-88-N N/A 5.5000 in N/A 7.0000 in N/A 2.500 in N/A 3/16 in N/A 0.100 in
MR-88 N/A 5.5000 in N/A 7.0000 in N/A 3.000 in N/A 3/16 in N/A 0.100 in
MR-96-N N/A 6.0000 in N/A 7.5000 in N/A 2.500 in N/A 1/4 in N/A 0.120 in
MR-96 N/A 6.0000 in N/A 7.5000 in N/A 3.000 in N/A 1/4 in N/A 0.120 in
MR-104-N N/A 6.5000 in N/A 8.0000 in N/A 2.500 in N/A 1/4 in N/A 0.120 in
MR-104 N/A 6.5000 in N/A 8.0000 in N/A 3.000 in N/A 1/4 in N/A 0.120 in
MR-116 N/A 7.2500 in N/A 9.1250 in N/A 3.000 in N/A 1/4 in N/A 0.120 in
MR-124 N/A 7.7500 in N/A 9.6250 in N/A 3.000 in N/A 1/4 in N/A 0.120 in
MR-132 N/A 8.2500 in N/A 10.1250 in N/A 3.000 in N/A 1/4 in N/A 0.120 in
Unit of Measure
1 2 3