Product Details

Precision Ball Bearings 3MM9121WI DUL

Brand Name TIMKEN
Model Number 3MM9121WI DUL
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

TIMKEN 3MM9121WI DUL bearing Size Chart (mm/inches)

Series420000
Cone Part NumberEE420801
Cup Part Number421437
Design UnitsImperial
Bearing Weight37 Kg
Cage TypeStamped Steel
d203.2 mm
D365.049 mm
B - Cone Width88.897 mm
C - Cup Width63.500 mm
B92.075 mm
R - Cone Backface To Clear Radius13.300 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter227.08 mm
db - Cone Backface Backing Diameter230.12 mm
Da - Cup Frontface Backing Diameter334.30 mm
Db - Cup Backface Backing Diameter328.93 mm
Ab - Cage-Cone Frontface Clearance3.6 mm
Aa - Cage-Cone Backface Clearance18.3 mm
a - Effective Center Location3-15.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)468100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5263000 lbf
C0 - Static Radial Rating409000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)646800 lbf
K - Factor71.45
e - ISO Factor80.4
Y - ISO Factor91.49
G1 - Heat Generation Factor (Roller-Raceway)1150
G2 - Heat Generation Factor (Rib-Roller End)128
Cg - Geometry Factor0.145
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