Series 455 Cone Part Number 455 Cup Part Number 454 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2 in 50.800 mm D - Cup Outer Diameter 4.3307 in 110 mm B - Cone Width 1.1542 in 29.317 mm C - Cup Width 1.063 in 27 mm T - Bearing Width 1.0943 in 27.795 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in 0.8 mm r - Cup Backface "To Clear" Radius2 0.08 in 2.03 mm da - Cone Frontface Backing Diameter 2.32 in 59 mm db - Cone Backface Backing Diameter 2.36 in 60 mm Da - Cup Frontface Backing Diameter 3.96 in 100.10 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 -0.28 in -7.1 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 9370 lbf 41700 N C1 - Dynamic Radial Rating (1 million revolutions)5 36100 lbf 161000 N C0 - Static Radial Rating 37200 lbf 166000 N Ca90 - Dynamic Thrust Rating (90 million revolutions)6 5380 lbf 23900 N Factors K - Factor7 1.74 e - ISO Factor8 0.34 Y - ISO Factor9 1.79 G1 - Heat Generation Factor (Roller-Raceway) 58.6 G2 - Heat Generation Factor (Rib-Roller End) 17.1 Cg - Geometry Factor10 0.0946