68310A Franke Slewing Ring Bearings - NTN BEARING CORP.

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68310A Franke Slewing Ring Bearings image

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68310A Franke Slewing Ring Bearings Codes and sizes

Series:275000
Cone Part Number:EE275108
Cup Part Number:275158
Design Units:Imperial
Bearing Weight:26.400 Kg
Cage Type:Stamped Steel
d:273.050 mm
D:403.225 mm
B - Cone Width:69.850 mm
C - Cup Width:46.038 mm
B:69.850 mm
R - Cone Backface To Clear Radius1:6.35 mm
r - Cup Backface To Clear Radius2:6.35 mm
da - Cone Frontface Backing Diameter:291.08 mm
db - Cone Backface Backing Diameter:300.99 mm
Da - Cup Frontface Backing Diameter:378.50 mm
Db - Cup Backface Backing Diameter:371.09 mm
Ab - Cage-Cone Frontface Clearance:4.6 mm
Aa - Cage-Cone Backface Clearance:13.7 mm
a - Effective Center Location3:2.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:59000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:228000 lbf
C0 - Static Radial Rating:359000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:40600 lbf
K - Factor7:1.45
e - ISO Factor8:0.4
Y - ISO Factor9:1.49
G1 - Heat Generation Factor (Roller-Raceway):1451.8
G2 - Heat Generation Factor (Rib-Roller End):201.3
Cg - Geometry Factor:0.156

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NTN BEARING CORP.: Address1-2-16 Kyomachibori, Nishi-ku, Osaka-shi, Osaka 520-03653, Japan; Phone(Working Time)753-298-1258; Fax

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Stock Categories

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angular contact ball bearings

cylindrical roller bearings

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