KOYO M-1261 Needle Roller Bearings - Wnl Trading Corporation

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KOYO M-1261 Needle Roller Bearings image

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KOYO M-1261 Needle Roller Bearings Specifications

Series:680000
Cone Part Number:680235
Cup Part Number:680270
Design Units:Imperial
Bearing Weight:16.50 Kg
Cage Type:Stamped Steel
d:596.900 mm
D:685.800 mm
B - Cone Width:31.750 mm
C - Cup Width:25.400 mm
B:31.750 mm
R - Cone Backface To Clear Radius1:3.560 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:614.93 mm
db - Cone Backface Backing Diameter:614.93 mm
Da - Cup Frontface Backing Diameter:672.08 mm
Db - Cup Backface Backing Diameter:662.94 mm
Ab - Cage-Cone Frontface Clearance:1.3 mm
Aa - Cage-Cone Backface Clearance:0.3 mm
a - Effective Center Location3:96 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:20000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:77300 lbf
C0 - Static Radial Rating:217000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:18100 lbf
K - Factor7:1.11
e - ISO Factor8:0.53
Y - ISO Factor9:1.14
G1 - Heat Generation Factor (Roller-Raceway):3740
G2 - Heat Generation Factor (Rib-Roller End):1810
Cg - Geometry Factor:0.223

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