All Categories > Roller Bearings > Needle Roller Bearings > Heavy Duty Needle Roller Bearings > MR Series Heavy Duty Needle Roller Bearings with Inner Ring > Inner Ring Part No. MI-88 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Inner Ring Part No. MI-88, MR Series Heavy Duty Needle Roller Bearings with Inner Ring List Price QUOTE larger image Outer Ring and roller assembly with separable inner ringOuter ring and roller assemblies and associated inner rings are packed and shipped separately. For a complete bearing, Specify both outer and inner numbers desired.Note: Not available from stock. Consult McGill Customer Service for availability. Unit of Measure: Imperial Specifications Military Standard Number MS 500072-49 (B) Shaft Diameter 5.5000 in (B) Dimension Tolerance +0.0000/-0.0010 (D) Dimension 8.0000 in (D) Dimension Tolerance +0.0000/-0.0012 (W) Dimension 3.000 in (W) Dimension Tolerance +0.000/-0.005 (W1) Dimension 3.015 in (W1) Dimension Tolerance +0.000/-0.005 (H) Hole Dia. 1/4 in (R) Max. Fillet for Shaft & Housing 0.120 in Stationary Shaft Dia. 5.4995 in Stationary Shaft Dia. Tolerance +0.0000/-0.0010 Rotating Shaft Dia. 5.5010 in Rotating Shaft Dia. Tolerance +0.0000/-0.00010 Stationary Housing Bore Dia. 8.0011 in Stationary Housing Bore Dia. Tolerance +0.0000/-0.0010 +0.0000/-0.0015 Rotating Housing Bore Dia. 7.9998 in Rotating Housing Bore Dia. Tolerance +0.0000/-0.0015 Static Load Rating 237000 lb Basic Dynamic Rating 87500 lb Complete Assembly Item # MR-104 DOWNLOADS Pitchlign Roller Bearing Interchange Tables (PDF, 389KB) Bearing Failure Analysis