Specifications Series LM501300 Cone Part Number LM501349 Cup Part Number LM501314 Design Units Imperial Bearing Weight 0.400 Kg 0.80 lb Cage Type Stamped Steel Dimensions d - Bore 41.275 mm 1.6250 in D - Cup Outer Diameter 73.431 mm 2.8910 in B - Cone Width 19.812 mm 0.7800 in C - Cup Width 16.604 mm 0.6537 in T - Bearing Width 21.430 mm 0.8437 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 3.560 mm 0.14 in r - Cup Backface "To Clear" Radius2 0.76 mm 0.030 in da - Cone Frontface Backing Diameter 48.01 mm 1.89 in db - Cone Backface Backing Diameter 54.10 mm 2.13 in Da - Cup Frontface Backing Diameter 71.10 mm 2.80 in Db - Cup Backface Backing Diameter 65.02 mm 2.56 in Ab - Cage-Cone Frontface Clearance 1.8 mm 0.07 in Aa - Cage-Cone Backface Clearance 0.3 mm 0.01 in a - Effective Center Location3 -3.3 mm -0.13 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 19400 N 4360 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 74800 N 16800 lbf C0 - Static Radial Rating 74200 N 16700 lbf Ca90 - Dynamic Thrust Rating (90 million revolutions)6 13300 N 2980 lbf Factors K - Factor7 1.46 e - ISO Factor8 0.40 Y - ISO Factor9 1.5 G1 - Heat Generation Factor (Roller-Raceway) 23.3 G2 - Heat Generation Factor (Rib-Roller End) 13.3 Cg - Geometry Factor