Series LM48500 Cone Part Number LM48548 Cup Part Number LM48510 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 1 3/8 in 34.925 mm D - Cup Outer Diameter 2.5625 in 65.088 mm B - Cone Width 0.7200 in 18.288 mm C - Cup Width 0.5500 in 13.970 mm T - Bearing Width 0.7100 in 18.034 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in 3.600 mm r - Cup Backface "To Clear" Radius2 0.05 in 1.27 mm da - Cone Frontface Backing Diameter 1.63 in 41.5 mm db - Cone Backface Backing Diameter 1.89 in 48 mm Da - Cup Frontface Backing Diameter 2.44 in 61.00 mm Db - Cup Backface Backing Diameter 2.28 in 57.91 mm Ab - Cage-Cone Frontface Clearance 0.08 in 2 mm Aa - Cage-Cone Backface Clearance 0.01 in 0.3 mm a - Effective Center Location3 -0.15 in -3.8 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 3760 lbf 16700 N C1 - Dynamic Radial Rating (1 million revolutions)5 14500 lbf 64600 N C0 - Static Radial Rating 14200 lbf 63100 N Ca90 - Dynamic Thrust Rating (90 million revolutions)6 2430 lbf 10800 N Factors K - Factor7 1.55 e - ISO Factor8 0.38 Y - ISO Factor9 1.59 Cg - Geometry Factor10 0.0666