NNU4988S.M.C3 FAG Cylindrical Roller Bearings - TIMKEN BEARING MFG.CORP

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NNU4988S.M.C3 FAG Cylindrical Roller Bearings image

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NNU4988S.M.C3 FAG Cylindrical Roller Bearings Systems

Series:M246900
Cone Part Number:M246943
Cup Part Number:M246910
Design Units:Imperial
Bearing Weight:18.90 Kg
Cage Type:Stamped Steel
d:231.775 mm
D:336.550 mm
B - Cone Width:69.850 mm
C - Cup Width:50.800 mm
B:65.090 mm
R - Cone Backface To Clear Radius1:6.35 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:248.92 mm
db - Cone Backface Backing Diameter:258.06 mm
Da - Cup Frontface Backing Diameter:322.58 mm
Db - Cup Backface Backing Diameter:312.93 mm
Ab - Cage-Cone Frontface Clearance:2.5 mm
Aa - Cage-Cone Backface Clearance:3.3 mm
a - Effective Center Location3:-4.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:42900 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:166000 lbf
C0 - Static Radial Rating:319000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:24400 lbf
K - Factor7:1.76
e - ISO Factor8:0.33
Y - ISO Factor9:1.8
G1 - Heat Generation Factor (Roller-Raceway):1264.4
G2 - Heat Generation Factor (Rib-Roller End):185.4
Cg - Geometry Factor:0.14

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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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