Product Details

KTM EXC 640 LC4 94-99 Steering Head Stem Bearings

Model Number 640
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

KTM EXC 640 LC4 94-99 Steering Head Stem Bearings Size Chart (mm/inches)

SeriesH429100
Cone Part NumberKJH429148
Cup Part NumberKJH429111
Design UnitsMETRIC
Bearing Weight14.2 Kg
Cage TypeStamped Steel
d130 mm
D240 mm
B - Cone Width72.000 mm
C - Cup Width60.000 mm
B76 mm
R - Cone Backface To Clear Radius14.060 mm
r - Cup Backface To Clear Radius24.32 mm
da - Cone Frontface Backing Diameter152.91 mm
db - Cone Backface Backing Diameter155.96 mm
Da - Cup Frontface Backing Diameter225.30 mm
Db - Cup Backface Backing Diameter213.11 mm
Ab - Cage-Cone Frontface Clearance5.1 mm
Aa - Cage-Cone Backface Clearance5.8 mm
a - Effective Center Location3-19.3 mm
C90 - Dynamic Radial Rating (90 million revolutions)4170000 N
C1 - Dynamic Radial Rating (1 million revolutions)5654000 N
C0 - Static Radial Rating955000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6105000 N
K - Factor71.62
e - ISO Factor80.36
Y - ISO Factor91.67
G1 - Heat Generation Factor (Roller-Raceway)474.3
G2 - Heat Generation Factor (Rib-Roller End)87.9
Cg - Geometry Factor0.125
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