68508A Franke Slewing Ring Bearings - NTN BEARING CORP.

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68508A Franke Slewing Ring Bearings Codes and sizes

Series:31500
Cone Part Number:31593
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:37100 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:9610 lbf
d:1.3750 in
B - Cone Width:1.1250 in
R - Cone Backface To Clear Radius3:0.14 in
da - Cone Frontface Backing Diameter:1.71 in
db - Cone Backface Backing Diameter:1.97 in
Ab - Cage-Cone Frontface Clearance:0.08 in
Aa - Cage-Cone Backface Clearance:0.04 in
a - Effective Center Location4:-0.3 in
C90 - Dynamic Radial Rating (90 million revolutions)5:5520 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:21300 lbf
C0 - Static Radial Rating:24100 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:3800 lbf
K - Factor8:1.45
G1 - Heat Generation Factor (Roller-Raceway):26.3
G2 - Heat Generation Factor (Rib-Roller End):9.08
Cg - Geometry Factor:0.0773

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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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