NNU4948S.M.P53 FAG Cylindrical Roller Bearings - TIMKEN BEARING MFG.CORP

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NNU4948S.M.P53 FAG Cylindrical Roller Bearings Systems

Series:74000
Cone Part Number:74511X
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:150000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:38800 lbf
d:5.1181 in
B - Cone Width:1.875 in
R - Cone Backface To Clear Radius3:0.14 in
da - Cone Frontface Backing Diameter:5.71 in
db - Cone Backface Backing Diameter:5.91 in
Ab - Cage-Cone Frontface Clearance:0.11 in
Aa - Cage-Cone Backface Clearance:0.17 in
a - Effective Center Location4:0.09 in
C90 - Dynamic Radial Rating (90 million revolutions)5:22300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:85900 lbf
C0 - Static Radial Rating:138000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:18600 lbf
K - Factor8:1.2
G1 - Heat Generation Factor (Roller-Raceway):362.9
G2 - Heat Generation Factor (Rib-Roller End):68.5
Cg - Geometry Factor:0.134

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TIMKEN BEARING MFG.CORP: Address346 North Bower Road, Macomb, IL 61336-2501 U.S.A.; Phone(Working Time)409-782-6227; Fax

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