3977X - 3921XA bearinginquiry
Bearing Weight | 2.7000 lb 1.2000 Kg
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D - Cup Outer Diameter | 4.3301 in 109.985 mm
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d - Cone Bore | 2.3617 in 59.987 mm
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B - Cone Width | 1.1024 in 28.001 mm
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C - Cup Width | 0.9375 in 23.813 mm
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T - Bearing Width | 1.1713 in 29.751 mm
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Z - Number of Rollers Per Row | 22
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R - Cone Backface "To Clear" Radius1 | 0.090 in 2.290 mm
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r - Cup Backface "To Clear" Radius2 | 0.020 in 0.51 mm
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da - Cone Frontface Backing Diameter | 2.68 in 68.07 mm
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db - Cone Backface Backing Diameter | 2.83 in 71.88 mm
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Da - Cup Frontface Backing Diameter | 4.13 in 104.90 mm
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Db - Cup Backface Backing Diameter | 3.94 in 100.08 mm
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Ab - Cage-Cone Frontface Clearance | 0.12 in 3.05 mm
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Aa - Cage-Cone Backface Clearance | 0.09 in 2.29 mm
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a - Effective Center Location3 | -0.18 in -4.60 mm
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C90 - Dynamic Radial Rating (90 million revolutions)1 | 8090 lbf 36000 N
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C1 - Dynamic Radial Rating (1 million revolutions)2 | 31200 lbf 139000 N
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C0 - Static Radial Rating | 43000 lbf 191000 N
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Ca90 - Dynamic Thrust Rating (90 million revolutions)3 | 5570 lbf 24800 N
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G1 - Heat Generation Factor (Roller-Raceway) | 75.2
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G2 - Heat Generation Factor (Rib-Roller End) | 21.3
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Cg - Geometry Factor | 0.109
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Sales the 3977X - 3921XA bearings, condition monitoring and technical supports. we can
assure the quality of the Timken 3977X - 3921XA bearings we provide, at the same time guarantee
the price is always competitive. As our valued customers, you always have a
peace in mind when using 3977X - 3921XA bearings..