68609A Franke Slewing Ring Bearings - NTN BEARING CORP.

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68609A Franke Slewing Ring Bearings image

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68609A Franke Slewing Ring Bearings Codes and sizes

Cone Part Number:DX513576
Cup Part Number:DX909454
Design Units:Imperial
Bearing Weight:16.50 Kg
Cage Type:Stamped Steel
d:152.400 mm
D:268.288 mm
B - Cone Width:74.613 mm
C - Cup Width:57.150 mm
B:74.613 mm
R - Cone Backface To Clear Radius1:6.35 mm
r - Cup Backface To Clear Radius2:6.35 mm
da - Cone Frontface Backing Diameter:170.94 mm
db - Cone Backface Backing Diameter:181.1 mm
Da - Cup Frontface Backing Diameter:249.68 mm
Db - Cup Backface Backing Diameter:236.98 mm
Ab - Cage-Cone Frontface Clearance:4.1 mm
Aa - Cage-Cone Backface Clearance:6.9 mm
a - Effective Center Location3:-15 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:56300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:217000 lbf
C0 - Static Radial Rating:263000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:37300 lbf
K - Factor7:1.51
e - ISO Factor8:0.39
Y - ISO Factor9:1.55
G1 - Heat Generation Factor (Roller-Raceway):606.1
G2 - Heat Generation Factor (Rib-Roller End):76.3
Cg - Geometry Factor:0.116

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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

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