Series 575 Cone Part Number 576 Cup Part Number 572 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2.8750 in 73.025 mm D - Cup Outer Diameter 5.5115 in 139.992 mm B - Cone Width 1.4212 in 36.098 mm C - Cup Width 1.1250 in 28.575 mm T - Bearing Width 1.4375 in 36.513 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in 3.600 mm r - Cup Backface "To Clear" Radius2 0.13 in 3.3 mm da - Cone Frontface Backing Diameter 3.27 in 83 mm db - Cone Backface Backing Diameter 3.54 in 90 mm Da - Cup Frontface Backing Diameter 5.25 in 133.35 mm Db - Cup Backface Backing Diameter 4.92 in 124.97 mm Ab - Cage-Cone Frontface Clearance 0.1 in 2.5 mm Aa - Cage-Cone Backface Clearance 0.12 in 3 mm a - Effective Center Location3 -0.21 in -5.3 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 12100 lbf 53600 N C1 - Dynamic Radial Rating (1 million revolutions)5 46500 lbf 207000 N C0 - Static Radial Rating 65400 lbf 291000 N Ca90 - Dynamic Thrust Rating (90 million revolutions)6 8330 lbf 37100 N Factors K - Factor7 1.45 e - ISO Factor8 0.40 Y - ISO Factor9 1.49 G1 - Heat Generation Factor (Roller-Raceway) 125.7 G2 - Heat Generation Factor (Rib-Roller End) 32 Cg - Geometry Factor10 0.13