NNU3148 KOYO Double-row cylindrical roller bearings - TIMKEN BEARING MFG.CORP

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NNU3148 KOYO Double-row cylindrical roller bearings image

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NNU3148 KOYO Double-row cylindrical roller bearings Product Description

Series:19000
Cone Part Number:19138
Cup Part Number:19269
Design Units:Imperial
Bearing Weight:0.30 Kg
Cage Type:Stamped Steel
d:34.976 mm
D:68.263 mm
B - Cone Width:16.520 mm
C - Cup Width:16.030 mm
B:19.997 mm
R - Cone Backface To Clear Radius1:1.520 mm
r - Cup Backface To Clear Radius2:1.52 mm
da - Cone Frontface Backing Diameter:40.39 mm
db - Cone Backface Backing Diameter:42.42 mm
Da - Cup Frontface Backing Diameter:66.00 mm
Db - Cup Backface Backing Diameter:59.94 mm
Ab - Cage-Cone Frontface Clearance:2.3 mm
Aa - Cage-Cone Backface Clearance:0.8 mm
a - Effective Center Location3:-1.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:2960 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:11400 lbf
C0 - Static Radial Rating:13000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2250 lbf
K - Factor7:1.31
e - ISO Factor8:0.44
Y - ISO Factor9:1.35
G1 - Heat Generation Factor (Roller-Raceway):17.5
G2 - Heat Generation Factor (Rib-Roller End):11.5
Cg - Geometry Factor:0.0694

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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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