L9-57E9Z Rotek Slewing Ring Bearings - QM INDUSTRIES BEARING LIMITED

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L9-57E9Z Rotek Slewing Ring Bearings Information techniques

Series:420000
Cone Part Number:EE420812X
Cup Part Number:421437
Design Units:Imperial
Bearing Weight:36.200 Kg
Cage Type:Stamped Steel
d:206.375 mm
D:365.049 mm
B - Cone Width:88.897 mm
C - Cup Width:63.500 mm
B:92.075 mm
R - Cone Backface To Clear Radius1:6.35 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:229.11 mm
db - Cone Backface Backing Diameter:239.01 mm
Da - Cup Frontface Backing Diameter:334.30 mm
Db - Cup Backface Backing Diameter:328.93 mm
Ab - Cage-Cone Frontface Clearance:3.6 mm
Aa - Cage-Cone Backface Clearance:18.3 mm
a - Effective Center Location3:-15.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:64300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:248000 lbf
C0 - Static Radial Rating:409000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:44200 lbf
K - Factor7:1.45
e - ISO Factor8:0.4
Y - ISO Factor9:1.49
G1 - Heat Generation Factor (Roller-Raceway):1150.5
G2 - Heat Generation Factor (Rib-Roller End):128.2
Cg - Geometry Factor:0.145

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QM INDUSTRIES BEARING LIMITED: Address9565 Winona Avenue, Schiller Park, lL 89176, U.S.A.; Phone(Working Time)+1-788-685-5998; Fax

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Stock Categories

Technical Articles

CHINA SKF Bearing

FRANCE TIMKEN Bearing

GERMANY FAG Bearing

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