Series 29500 Cone Part Number 29588 Cup Part Number 29520 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2.5586 in 64.988 mm D - Cup Outer Diameter 4.25 in 107.95 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 2.83 in 72 mm db - Cone Backface Backing Diameter 3.07 in 78 mm Da - Cup Frontface Backing Diameter 4.09 in 103.89 mm Db - Cup Backface Backing Diameter 3.78 in 96.01 mm Ab - Cage-Cone Frontface Clearance 0.08 in 2 mm Aa - Cage-Cone Backface Clearance 0.07 in 1.8 mm a - Effective Center Location3 -0.03 in -0.8 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 6420 lbf 28600 N C1 - Dynamic Radial Rating (1 million revolutions)5 24800 lbf 110000 N C0 - Static Radial Rating 36300 lbf 161000 N Ca90 - Dynamic Thrust Rating (90 million revolutions)6 5040 lbf 22400 N Factors K - Factor7 1.27 e - ISO Factor8 0.46 Y - ISO Factor9 1.31 G1 - Heat Generation Factor (Roller-Raceway) 70.3 G2 - Heat Generation Factor (Rib-Roller End) 25.9 Cg - Geometry Factor10 0.111