Inner Ring Part No. MI-8-N, MR Series Heavy Duty Needle Roller Bearings with Inner Ring On Emerson Bearing

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.

Unit of Measure

Specifications

Military Standard Number	N/A MS 500072-2
(B) Shaft Diameter	N/A 1/2 in
(B) Dimension Tolerance	N/A +0.0000/-0.0004
(D) Dimension	N/A 1-1/4 in
(D) Dimension Tolerance	N/A +0.0000/-0.0005
(W) Dimension	N/A 0.750 in
(W) Dimension Tolerance	N/A +0.000/-0.005
(W1) Dimension	N/A 0.760 in
(W1) Dimension Tolerance	N/A +0.000/-0.005
(H) Hole Dia.	N/A 5/64 in
(R) Max. Fillet for Shaft & Housing	N/A 0.040 in
Stationary Shaft Dia.	N/A 0.4997 in
Stationary Shaft Dia. Tolerance	N/A +0.0000/-0.0005
Rotating Shaft Dia.	N/A 0.5005 in
Rotating Shaft Dia. Tolerance	N/A +0.0000/-0.0005
Stationary Housing Bore Dia.	N/A 1.2507 in
Stationary Housing Bore Dia. Tolerance	N/A +0.0000/-0.0005 +0.0000/-0.0007
Rotating Housing Bore Dia.	N/A 1.2497 in
Rotating Housing Bore Dia. Tolerance	N/A +0.0000/-0.0007
Static Load Rating	N/A 5400 lb
Basic Dynamic Rating	N/A 4990 lb
Complete Assembly Item #	N/A MR-12-N

Specifications

Military Standard Number

(B) Shaft Diameter

(B) Dimension Tolerance

(D) Dimension

(D) Dimension Tolerance

(W) Dimension

(W) Dimension Tolerance

(W1) Dimension

(W1) Dimension Tolerance

(H) Hole Dia.

(R) Max. Fillet for Shaft & Housing

Stationary Shaft Dia.

Stationary Shaft Dia. Tolerance

Rotating Shaft Dia.

Rotating Shaft Dia. Tolerance

Stationary Housing Bore Dia.

Stationary Housing Bore Dia. Tolerance

Rotating Housing Bore Dia.

Rotating Housing Bore Dia. Tolerance

Static Load Rating

Basic Dynamic Rating

Complete Assembly Item #