68540A Franke Slewing Ring Bearings - NTN BEARING MANUFACTURING DE MEXICO,S.A.DE C.V.

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68540A Franke Slewing Ring Bearings Systems

Series:420000
Cone Part Number:EE420801
Cup Part Number:421450
Design Units:Imperial
Bearing Weight:38.00 Kg
Cage Type:Stamped Steel
d:203.2 mm
D:368.300 mm
B - Cone Width:88.897 mm
C - Cup Width:63.500 mm
B:92.075 mm
R - Cone Backface To Clear Radius1:3.300 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:227.08 mm
db - Cone Backface Backing Diameter:230.12 mm
Da - Cup Frontface Backing Diameter:334.30 mm
Db - Cup Backface Backing Diameter:330.96 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)4:68100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:263000 lbf
C0 - Static Radial Rating:409000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:46800 lbf
K - Factor7:1.45
e - ISO Factor8:0.4
Y - ISO Factor9:1.49
G1 - Heat Generation Factor (Roller-Raceway):1150
G2 - Heat Generation Factor (Rib-Roller End):128
Cg - Geometry Factor:0.145

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NTN BEARING MANUFACTURING DE MEXICO,S.A.DE C.V.: AddressCircuito Progreso No.120, Parque Industrial de Logistica Automotoriz (PILA), C.P.20340, Aguascalient; Phone(Working Time)922-5267; Fax

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Stock Categories

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Angular contact ball bearings

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