Series  545000 Cone Part Number  545112 Cup Part Number  545139 Design Units  Imperial Bearing Weight  13.8000 lb 6.3000 Kg Cage Type  Stamped Steel D - Cup Outer Diameter  13.9375 in 354.013 mm d - Cone Bore  11.2500 in 285.750 mm B - Cone Width  1.2500 in 31.750 mm C - Cup Width  0.8750 in 22.225 mm T - Bearing Width  1.3125 in 33.338 mm Z - Number of Rollers Per Row  57 R - Cone Backface "To Clear" Radius1  0.140 in 3.560 mm r - Cup Backface "To Clear" Radius2  0.130 in 3.30 mm da - Cone Frontface Backing Diameter  12.99 in 297.94 mm db - Cone Backface Backing Diameter  11.89 in 302.01 mm Da - Cup Frontface Backing Diameter  13.62 in 345.90 mm Db - Cup Backface Backing Diameter  13.31 in 338.07 mm Ab - Cage-Cone Frontface Clearance  0.11 in 2.79 mm Aa - Cage-Cone Backface Clearance  0.22 in 5.59 mm a - Effective Center Location3  1.29 in 32.80 mm C90 - Dynamic Radial Rating (90 million revolutions)1  15000 lbf 66800 N C1 - Dynamic Radial Rating (1 million revolutions)2  58000 lbf 258000 N C0 - Static Radial Rating  134000 lbf 596000 N Ca90 - Dynamic Thrust Rating (90 million revolutions)3  12600 lbf 56300 N K - Factor1  1.19 e - ISO Factor2  0.49 Y - ISO Factor3  1.22 G1 - Heat Generation Factor (Roller-Raceway)  1020 G2 - Heat Generation Factor (Rib-Roller End)  477 Cg - Geometry Factor  0.145

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