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Timken 557A - 552A Timken bearings distributor

Model No.:
557A - 552A
Timken bearings distributor
Technical Parameters:
Cone Part Number:557A     
Cup Part Number:552A     
Cg - Geometry Factor:0.111     
C90 - Dynamic Radial Rating (90 million revolutions)1:11100 lbf      49400 N     
Da - Cup Frontface Backing Diameter:4.60 in      116.10 mm     
C1 - Dynamic Radial Rating (1 million revolutions)2:42900 lbf      191000 N     
Bearing Weight:4.5000 lb      2.0000 Kg     
r - Cup Backface "To Clear" Radius2:0.130 in      3.30 mm     
db - Cone Backface Backing Diameter:3.31 in      84.07 mm     
G2 - Heat Generation Factor (Rib-Roller End):21.1     
da - Cone Frontface Backing Diameter:2.72 in      69.09 mm     
R - Cone Backface "To Clear" Radius1:0.310 in      7.870 mm     
Ab - Cage-Cone Frontface Clearance:0.05 in      1.27 mm     
Y - ISO Factor3:1.73     
D - Cup Outer Diameter:4.8750 in      123.825 mm     
B - Cone Width:1.4440 in      36.678 mm     
K - Factor1:1.69     
Z - Number of Rollers Per Row:19     
Db - Cup Backface Backing Diameter:4.29 in      108.97 mm     
a - Effective Center Location3:-0.37 in      -9.40 mm     
G1 - Heat Generation Factor (Roller-Raceway):91     
C0 - Static Radial Rating:55700 lbf      248000 N     
Design Units:Imperial     
T - Bearing Width:1.5000 in      38.100 mm     
Ca90 - Dynamic Thrust Rating (90 million revolutions)3:6590 lbf      29300 N     
Aa - Cage-Cone Backface Clearance:0.09 in      2.29 mm     
C - Cup Width:1.1875 in      30.163 mm     
Cage Type:Stamped Steel     
d - Cone Bore:2.3750 in      60.325 mm     
e - ISO Factor2:0.35     
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Timken 557A - 552A description
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