Timken 3977X - 3921XA bearing

 

Series: 3900                Cone Part Number: 3977X                Cup Part Number: 3921XA                Da - Cup Frontface Backing Diameter: 4.13 in      104.90 mm                Cage Type: Stamped Steel                C90 - Dynamic Radial Rating (90 million revolutions)1: 8090 lbf      36000 N                G2 - Heat Generation Factor (Rib-Roller End): 21.3                Y - ISO Factor3: 1.49                C - Cup Width: 0.9375 in      23.813 mm                Db - Cup Backface Backing Diameter: 3.94 in      100.08 mm                Design Units: Imperial                K - Factor1: 1.45                D - Cup Outer Diameter: 4.3301 in      109.985 mm                C0 - Static Radial Rating: 43000 lbf      191000 N                G1 - Heat Generation Factor (Roller-Raceway): 75.2                Aa - Cage-Cone Backface Clearance: 0.09 in      2.29 mm                C1 - Dynamic Radial Rating (1 million revolutions)2: 31200 lbf      139000 N                d - Cone Bore: 2.3617 in      59.987 mm                Bearing Weight: 2.7000 lb      1.2000 Kg                db - Cone Backface Backing Diameter: 2.83 in      71.88 mm                a - Effective Center Location3: -0.18 in      -4.60 mm                r - Cup Backface "To Clear" Radius2: 0.020 in      0.51 mm                e - ISO Factor2: 0.4                T - Bearing Width: 1.1713 in      29.751 mm                Z - Number of Rollers Per Row: 22                B - Cone Width: 1.1024 in      28.001 mm                Cg - Geometry Factor: 0.109                da - Cone Frontface Backing Diameter: 2.68 in      68.07 mm                Ab - Cage-Cone Frontface Clearance: 0.12 in      3.05 mm                R - Cone Backface "To Clear" Radius1: 0.090 in      2.290 mm                Ca90 - Dynamic Thrust Rating (90 million revolutions)3: 5570 lbf      24800 N                Type:

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

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