All Categories > Roller Bearings > Needle Roller Bearings > Heavy Duty Needle Roller Bearings > MR Series Heavy Duty Needle Roller Bearings with Seals and Inner Rings > Inner Ring Part No. MI-50 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Inner Ring Part No. MI-50, MR Series Heavy Duty Needle Roller Bearings with Seals and Inner Rings List Price QUOTE Outer ring and roller assembly with separable inner ringFor a complete bearing, specify both outer and inner, as each is packed and shipped separately. Consult McGill Engineering Department for additional information on CAGEROL® bearing sizes not listed as available with seals. The suffix "SS" indicates double seals with lips turned in (illustrated at right). This construction is most common and is intended primarily for lubrication retention. For other seal combinations.Note: Not available from stock. Consult McGill Customer Service for availability. larger image larger image Unit of Measure: Imperial Specifications (B) Dimension 3.1250 in (B) Dimension Tolerance +0.0000/-0.0006 (D) Dimension 4.7500 in (D) Dimension Tolerance +0.0000/-0.0008 (W) Dimension 2.000 in (W1) Dimension 2.010 (H) Hole Dia. 3/16 in (R) Max. Fillet for Shaft & Housing 0.100 Stationary Shaft Dia. 3.1246 in Stationary Housing Bore Dia. Tolerance +0.0000/-0.0010 Rotating Shaft Dia. 3.1260 in Rotating Shaft Dia. Tolerance +0.0000/-0.0010 Stationary Housing Bore Dia. 4.7508 in Stationary Shaft Dia. Tolerance +0.0000/-0.0010 Rotating Housing Bore Dia. 4.7495 in Rotating Housing Bore Dia. Tolerance +0.0000/-0.0010 Static Load Rating 74700 lb Basic Dynamic Rating 31600 lb Complete Assembly Item # MR-60-SS DOWNLOADS Pitchlign Roller Bearing Interchange Tables (PDF, 389KB) Bearing Failure Analysis