77250A Franke Slewing Ring Bearings - NTN BEARING CORP.

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77250A Franke Slewing Ring Bearings Codes and sizes

Series:33000
Cone Part Number:33287
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:54200 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:14000 lbf
d:2.8750 in
B - Cone Width:1.1875 in
R - Cone Backface To Clear Radius3:0.14 in
da - Cone Frontface Backing Diameter:3.19 in
db - Cone Backface Backing Diameter:3.46 in
Ab - Cage-Cone Frontface Clearance:0.07 in
Aa - Cage-Cone Backface Clearance:0.07 in
a - Effective Center Location4:-0.11 in
C90 - Dynamic Radial Rating (90 million revolutions)5:8060 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:31100 lbf
C0 - Static Radial Rating:44300 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:6020 lbf
K - Factor8:1.34
G1 - Heat Generation Factor (Roller-Raceway):84.2
G2 - Heat Generation Factor (Rib-Roller End):25.9
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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