Series 365 Cone Part Number 368 Cup Part Number 363 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2 in 50.800 mm D - Cup Outer Diameter 3.5433 in 90 mm B - Cone Width 0.875 in 22.225 mm C - Cup Width 0.7874 in 20.000 mm T - Bearing Width 0.7874 in 20.000 mm Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in 1.5 mm r - Cup Backface "To Clear" Radius2 0.03 in 0.76 mm da - Cone Frontface Backing Diameter 2.2 in 56 mm db - Cone Backface Backing Diameter 2.28 in 58 mm Da - Cup Frontface Backing Diameter 3.35 in 85.09 mm Db - Cup Backface Backing Diameter 3.23 in 82.04 mm Ab - Cage-Cone Frontface Clearance 0.07 in 1.8 mm Aa - Cage-Cone Backface Clearance 0 in 0 mm a - Effective Center Location3 -0.17 in -4.3 mm Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 5930 lbf 26400 N C1 - Dynamic Radial Rating (1 million revolutions)5 22900 lbf 102000 N C0 - Static Radial Rating 21500 lbf 95800 N Ca90 - Dynamic Thrust Rating (90 million revolutions)6 3250 lbf 14400 N Factors K - Factor7 1.83 e - ISO Factor8 0.32 Y - ISO Factor9 1.88 G1 - Heat Generation Factor (Roller-Raceway) 33.8 G2 - Heat Generation Factor (Rib-Roller End) 14 Cg - Geometry Factor10 0.0773