77274A Franke Slewing Ring Bearings - NTN BEARING CORP.

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77274A Franke Slewing Ring Bearings image

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77274A Franke Slewing Ring Bearings Codes and sizes

Series:128000
Cone Part Number:EE128102
Cup Part Number:128160
Design Units:Imperial
Bearing Weight:32.60 Kg
Cage Type:Pin-Type
d:260.350 mm
D:406.400 mm
B - Cone Width:67.673 mm
C - Cup Width:53.975 mm
B:69.850 mm
R - Cone Backface To Clear Radius1:3.300 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:292.10 mm
db - Cone Backface Backing Diameter:288.04 mm
Da - Cup Frontface Backing Diameter:384.30 mm
Db - Cup Backface Backing Diameter:377.95 mm
Ab - Cage-Cone Frontface Clearance:3 mm
Aa - Cage-Cone Backface Clearance:5.1 mm
a - Effective Center Location3:6.6 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:53900 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:208000 lbf
C0 - Static Radial Rating:409000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:35600 lbf
K - Factor7:1.51
e - ISO Factor8:0.39
Y - ISO Factor9:1.55
G1 - Heat Generation Factor (Roller-Raceway):1727.7
G2 - Heat Generation Factor (Rib-Roller End):255.2
Cg - Geometry Factor:0.163

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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

Technical Articles

angular contact ball bearings

cylindrical roller bearings

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