Date: 2016-08-22

Timken 2788 - 2729 bearing stock, Dimensions, Drawing

Series  2700 Cone Part Number  2788 Cup Part Number  2729 Design Units  Imperial Bearing Weight  1.1000 lb 0.5000 Kg Cage Type  Stamped Steel D - Cup Outer Diameter  3.0000 in 76.200 mm d - Cone Bore  1.5000 in 38.100 mm B - Cone Width  1.0100 in 25.654 mm C - Cup Width  0.7500 in 19.050 mm T - Bearing Width  0.9375 in 23.813 mm Z - Number of Rollers Per Row  17 R - Cone Backface "To Clear" Radius1  0.140 in 3.560 mm r - Cup Backface "To Clear" Radius2  0.030 in 0.76 mm da - Cone Frontface Backing Diameter  1.71 in 43.43 mm db - Cone Backface Backing Diameter  1.97 in 50.04 mm Da - Cup Frontface Backing Diameter  2.80 in 71.10 mm Db - Cup Backface Backing Diameter  2.68 in 68.07 mm Ab - Cage-Cone Frontface Clearance  0.04 in 1.02 mm Aa - Cage-Cone Backface Clearance  0.06 in 1.52 mm a - Effective Center Location3  -0.32 in -8.10 mm C90 - Dynamic Radial Rating (90 million revolutions)1  5060 lbf 22500 N C1 - Dynamic Radial Rating (1 million revolutions)2  19500 lbf 86900 N C0 - Static Radial Rating  23000 lbf 102000 N Ca90 - Dynamic Thrust Rating (90 million revolutions)3  2630 lbf 11700 N K - Factor1  1.93 e - ISO Factor2  0.3 Y - ISO Factor3  1.98 G1 - Heat Generation Factor (Roller-Raceway)  28.7 G2 - Heat Generation Factor (Rib-Roller End)  12.2 Cg - Geometry Factor  0.0725

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