NNU4992 KOYO Double-row cylindrical roller bearings - TIMKEN BEARING MFG.CORP

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NNU4992 KOYO Double-row cylindrical roller bearings image

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NNU4992 KOYO Double-row cylindrical roller bearings Product Description

Series:542000
Cone Part Number:EE542220
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:548000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:142000 lbf
d:22.0000 in
B - Cone Width:3.0000 in
R - Cone Backface To Clear Radius3:0.25 in
da - Cone Frontface Backing Diameter:23.03 in
db - Cone Backface Backing Diameter:23.39 in
Ab - Cage-Cone Frontface Clearance:0.15 in
Aa - Cage-Cone Backface Clearance:0.59 in
a - Effective Center Location4:2.55 in
C90 - Dynamic Radial Rating (90 million revolutions)5:81600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:315000 lbf
C0 - Static Radial Rating:728000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:71000 lbf
K - Factor8:1.15
G1 - Heat Generation Factor (Roller-Raceway):5730
G2 - Heat Generation Factor (Rib-Roller End):782
Cg - Geometry Factor:0.26

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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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