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Timken 478 - 472A Timken bearings distributor

Model No.:
478 - 472A
Timken bearings distributor
Technical Parameters:
Cone Part Number:478     
Cup Part Number:472A     
Cg - Geometry Factor:0.108     
Aa - Cage-Cone Backface Clearance:0.06 in      1.52 mm     
Ab - Cage-Cone Frontface Clearance:0.09 in      2.29 mm     
a - Effective Center Location3:-0.16 in      -4.10 mm     
Bearing Weight:3.1000 lb      1.4000 Kg     
da - Cone Frontface Backing Diameter:3.52 in      72.90 mm     
Y - ISO Factor3:1.56     
C1 - Dynamic Radial Rating (1 million revolutions)2:32200 lbf      143000 N     
K - Factor1:1.52     
Db - Cup Backface Backing Diameter:4.17 in      105.92 mm     
e - ISO Factor2:0.38     
Da - Cup Frontface Backing Diameter:4.53 in      115.06 mm     
Cage Type:Stamped Steel     
Ca90 - Dynamic Thrust Rating (90 million revolutions)3:5500 lbf      24500 N     
R - Cone Backface "To Clear" Radius1:0.090 in      2.290 mm     
d - Cone Bore:2.5591 in      65.001 mm     
D - Cup Outer Diameter:4.7244 in      120.000 mm     
G2 - Heat Generation Factor (Rib-Roller End):23     
C0 - Static Radial Rating:41900 lbf      186000 N     
r - Cup Backface "To Clear" Radius2:0.130 in      3.30 mm     
Design Units:Imperial     
Z - Number of Rollers Per Row:20     
G1 - Heat Generation Factor (Roller-Raceway):77.2     
C - Cup Width:0.9230 in      23.444 mm     
C90 - Dynamic Radial Rating (90 million revolutions)1:8360 lbf      37200 N     
B - Cone Width:1.1420 in      29.007 mm     
db - Cone Backface Backing Diameter:3.03 in      76.96 mm     
T - Bearing Width:1.1418 in      29.002 mm     
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Timken 478 - 472A description
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