557-S - 552A bearinginquiry
| Bearing Weight | 4.9000 lb 2.2000 Kg
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| D - Cup Outer Diameter | 4.8750 in 123.825 mm
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| d - Cone Bore | 2.1250 in 53.975 mm
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| B - Cone Width | 1.4440 in 36.678 mm
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| C - Cup Width | 1.1875 in 30.163 mm
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| T - Bearing Width | 1.5000 in 38.100 mm
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| Z - Number of Rollers Per Row | 19
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| R - Cone Backface "To Clear" Radius1 | 0.140 in 3.560 mm
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| r - Cup Backface "To Clear" Radius2 | 0.130 in 3.30 mm
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| da - Cone Frontface Backing Diameter | 2.64 in 67.06 mm
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| db - Cone Backface Backing Diameter | 2.87 in 72.90 mm
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| Da - Cup Frontface Backing Diameter | 4.60 in 116.10 mm
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| Db - Cup Backface Backing Diameter | 4.29 in 108.97 mm
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| Ab - Cage-Cone Frontface Clearance | 0.05 in 1.27 mm
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| Aa - Cage-Cone Backface Clearance | 0.09 in 2.29 mm
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| a - Effective Center Location3 | -0.37 in -9.40 mm
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| C90 - Dynamic Radial Rating (90 million revolutions)1 | 13200 lbf 58600 N
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| C1 - Dynamic Radial Rating (1 million revolutions)2 | 50800 lbf 226000 N
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| C0 - Static Radial Rating | 55700 lbf 248000 N
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| Ca90 - Dynamic Thrust Rating (90 million revolutions)3 | 7810 lbf 34700 N
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| G1 - Heat Generation Factor (Roller-Raceway) | 91
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| G2 - Heat Generation Factor (Rib-Roller End) | 21.1
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| Cg - Geometry Factor | 0.111
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Sales the 557-S - 552A bearings, condition monitoring and technical supports. we can
assure the quality of the Timken 557-S - 552A 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 557-S - 552A bearings..