NNU4068 KOYO Double-row cylindrical roller bearings - TIMKEN BEARING MFG.CORP

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NNU4068 KOYO Double-row cylindrical roller bearings Product Description

Series:HH224300
Cone Part Number:HH224346H
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:302000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:78400 lbf
d:4.5000 in
B - Cone Width:2.6250 in
R - Cone Backface To Clear Radius3:0.280 in
da - Cone Frontface Backing Diameter:5.2 in
db - Cone Backface Backing Diameter:5.79 in
Ab - Cage-Cone Frontface Clearance:0.15 in
Aa - Cage-Cone Backface Clearance:0.08 in
a - Effective Center Location4:-0.74 in
C90 - Dynamic Radial Rating (90 million revolutions)5:45000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:174000 lbf
C0 - Static Radial Rating:192000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:25100 lbf
K - Factor8:1.79
G1 - Heat Generation Factor (Roller-Raceway):351.4
G2 - Heat Generation Factor (Rib-Roller End):37.6
Cg - Geometry Factor:0.116

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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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