Series HM803100 Cone Part Number HM803146 Cup Part Number HM803111 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 1 5/8 in 41.275 mm D - Cup Outer Diameter 3.5000 in 88.900 mm B - Cone Width 1.1563 in 29.370 mm C - Cup Width 0.9063 in 23.020 mm T - Bearing Width 1.1875 in 30.163 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in 3.560 mm r - Cup Backface "To Clear" Radius2 0.03 in 0.76 mm da - Cone Frontface Backing Diameter 2.09 in 53 mm db - Cone Backface Backing Diameter 2.56 in 65.0 mm Da - Cup Frontface Backing Diameter 3.39 in 85.10 mm Db - Cup Backface Backing Diameter 2.99 in 75.95 mm Ab - Cage-Cone Frontface Clearance 0.11 in 2.8 mm Aa - Cage-Cone Backface Clearance 0.04 in 1 mm a - Effective Center Location3 -0.17 in -4.3 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 6630 lbf 29500 N C1 - Dynamic Radial Rating (1 million revolutions)5 25600 lbf 114000 N C0 - Static Radial Rating 32400 lbf 144000 N Ca90 - Dynamic Thrust Rating (90 million revolutions)6 6200 lbf 27600 N Factors K - Factor7 1.07 e - ISO Factor8 0.55 Y - ISO Factor9 1.1 G1 - Heat Generation Factor (Roller-Raceway) 39.2 G2 - Heat Generation Factor (Rib-Roller End) 13.7 Cg - Geometry Factor10 0.0974