KOYO M18121 Needle Roller Bearings - Wnl Trading Corporation

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KOYO M18121 Needle Roller Bearings Specifications

Series:09000
Cone Part Number:09081
Cup Part Number:09196
Design Units:Imperial
Bearing Weight:0.20 Kg
Cage Type:Stamped Steel
d:20.625 mm
D:49.225 mm
B - Cone Width:21.539 mm
C - Cup Width:17.463 mm
B:23.020 mm
R - Cone Backface To Clear Radius1:1.520 mm
r - Cup Backface To Clear Radius2:1.52 mm
da - Cone Frontface Backing Diameter:25.4 mm
db - Cone Backface Backing Diameter:27.43 mm
Da - Cup Frontface Backing Diameter:44.50 mm
Db - Cup Backface Backing Diameter:41.40 mm
Ab - Cage-Cone Frontface Clearance:1.5 mm
Aa - Cage-Cone Backface Clearance:1.8 mm
a - Effective Center Location3:-9.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:2500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:9630 lbf
C0 - Static Radial Rating:9100 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:1140 lbf
K - Factor7:2.2
e - ISO Factor8:0.27
Y - ISO Factor9:2.26
G1 - Heat Generation Factor (Roller-Raceway):8
G2 - Heat Generation Factor (Rib-Roller End):4
Cg - Geometry Factor:0.0452

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