TIMKEN JM207049-3 Tapered Roller Bearings

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TIMKEN JM207049-3 Tapered Roller Bearings image

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TIMKEN JM207049-3 Tapered Roller Bearings Codes and sizes

Series:420000
Cone Part Number:EE420850
Cup Part Number:421417
Design Units:Imperial
Bearing Weight:30.9 Kg
Cage Type:Stamped Steel
d:215.900 mm
D:359.999 mm
B - Cone Width:79.372 mm
C - Cup Width:63.500 mm
B:82.550 mm
R - Cone Backface To Clear Radius1:1.520 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:235.97 mm
db - Cone Backface Backing Diameter:235.97 mm
Da - Cup Frontface Backing Diameter:334.30 mm
Db - Cup Backface Backing Diameter:326.90 mm
Ab - Cage-Cone Frontface Clearance:3.6 mm
Aa - Cage-Cone Backface Clearance:8.6 mm
a - Effective Center Location3:-6.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:64300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:248000 lbf
C0 - Static Radial Rating:409000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:44200 lbf
K - Factor7:1.45
e - ISO Factor8:0.4
Y - ISO Factor9:1.49
G1 - Heat Generation Factor (Roller-Raceway):1150
G2 - Heat Generation Factor (Rib-Roller End):128
Cg - Geometry Factor:0.145

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