77248B Franke Slewing Ring Bearings - NTN BEARING CORP.

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77248B Franke Slewing Ring Bearings image

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77248B Franke Slewing Ring Bearings Codes and sizes

Series:LM844000
Cone Part Number:LM844049
Cup Part Number:LM844010
Design Units:Imperial
Bearing Weight:8 Kg
Cage Type:Stamped Steel
d:223.838 mm
D:295.275 mm
B - Cone Width:46.038 mm
C - Cup Width:34.925 mm
B:46.038 mm
R - Cone Backface To Clear Radius1:3.560 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:234.95 mm
db - Cone Backface Backing Diameter:241.05 mm
Da - Cup Frontface Backing Diameter:288.50 mm
Db - Cup Backface Backing Diameter:275.08 mm
Ab - Cage-Cone Frontface Clearance:2.8 mm
Aa - Cage-Cone Backface Clearance:4.6 mm
a - Effective Center Location3:17 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:30100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:116000 lbf
C0 - Static Radial Rating:207000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:25700 lbf
K - Factor7:1.17
e - ISO Factor8:0.5
Y - ISO Factor9:1.2
G1 - Heat Generation Factor (Roller-Raceway):927
G2 - Heat Generation Factor (Rib-Roller End):269
Cg - Geometry Factor:0.143

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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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angular contact ball bearings

cylindrical roller bearings

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