Series 29600 Cone Part Number 29685 Cup Part Number 29620 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2.8750 in 73.025 mm D - Cup Outer Diameter 4.4375 in 112.713 mm B - Cone Width 1 in 25.4 mm C - Cup Width 0.7500 in 19.050 mm T - Bearing Width 1.0000 in 25.400 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 3.15 in 80 mm db - Cone Backface Backing Diameter 3.39 in 86.0 mm Da - Cup Frontface Backing Diameter 4.33 in 109.00 mm Db - Cup Backface Backing Diameter 3.98 in 101.09 mm Ab - Cage-Cone Frontface Clearance 0.08 in 2 mm Aa - Cage-Cone Backface Clearance 0.08 in 2 mm a - Effective Center Location3 0.04 in 1 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 6440 lbf 28600 N C1 - Dynamic Radial Rating (1 million revolutions)5 24800 lbf 111000 N C0 - Static Radial Rating 37200 lbf 166000 N Ca90 - Dynamic Thrust Rating (90 million revolutions)6 5370 lbf 23900 N Factors K - Factor7 1.2 e - ISO Factor8 0.49 Y - ISO Factor9 1.23 G1 - Heat Generation Factor (Roller-Raceway) 77.7 G2 - Heat Generation Factor (Rib-Roller End) 43.3 Cg - Geometry Factor10 0.117