Timken 78255X - 78549D bearing

 

Series: 78000                Cone Part Number: 78255X                Cup Part Number: 78549D                Design Units: Imperial                Y2 - ISO Factor4: 0.39                Y1 - ISO Factor3: 0.26      0.39                Da - Cup Frontface Backing Diameter: 5.19 in      131.83 mm                C - Double Cup Width: 2.0395 in      51.803 mm                T - Bearing Width across Cones: 3.0625 in      77.788 mm                G1 - Heat Generation Factor (Roller-Raceway)5: 62.6                Ka - Locking Pin Diameter: N/A                e - ISO Factor2: 2.6                Z - Number of Rollers Per Row: 16                Cg - Geometry Factor6: 0.0884                K - Factor1: 0.67                Cage Type: Stamped Steel                B - Cone Width: 1.2962 in      32.923 mm                C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3: 20600 lbf      91500 N                D - Cup Outer Diameter: 5.5000 in      139.700 mm                d - Cone Bore: 2.5586 in      64.988 mm                r - Cup Frontface "To Clear" Radius2: 0.06 in      1.5 mm                Aa - Cage-Cone Backface Clearance: 0.27 in      6.90 mm                Ca90 - Dynamic Thrust Rating (90 million revolutions)4: 17500 lbf      77900 N                db - Cone Backface Backing Diameter: 3.50 in      88.90 mm                G2 - Heat Generation Factor (Rib-Roller End): 19.1                C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)1: 11800 lbf      52600 N                C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2: 79300 lbf      353000 N                R - Cone Backface "To Clear" Radius1: 0.140 in      3.600 mm                Bearing Weight: 10.6886 lb      4.8483 Kg                Kb - Locking Pin Depth: N/A                Type:

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We provid brand: NSK INA IKO KOYO ZWZ LYC C&U HRB TMB TWB

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