R8-44E3 Rotek Slewing Ring Bearings - NTN BEARING CORP.

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Bearing Slewing Ring Cross References

Series:LM739700
Cone Part Number:LM739749
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:125000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:32300 lbf
d:7.7500 in
B - Cone Width:1.5625 in
R - Cone Backface To Clear Radius3:0.14 in
da - Cone Frontface Backing Diameter:8.11 in
db - Cone Backface Backing Diameter:8.39 in
Ab - Cage-Cone Frontface Clearance:0.12 in
Aa - Cage-Cone Backface Clearance:0.12 in
a - Effective Center Location4:0.45 in
C90 - Dynamic Radial Rating (90 million revolutions)5:18600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:71600 lbf
C0 - Static Radial Rating:161000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:14200 lbf
K - Factor8:1.31
G1 - Heat Generation Factor (Roller-Raceway):762
G2 - Heat Generation Factor (Rib-Roller End):232
Cg - Geometry Factor:0.13

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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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