NN3021 TIMKEN Double row cylindrical roller bearings
Brand Name:TIMKEN
Model Number:NN3021
Series:16900
Cone Part Number:16986
Cup Part Number:16929
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:42.987 mm
D:74.988 mm

Product Details

Series16900
Cone Part Number16986
Cup Part Number16929
Design UnitsImperial
Bearing Weight0.4 Kg
Cage TypeStamped Steel
d42.987 mm
D74.988 mm
B - Cone Width19.837 mm
C - Cup Width14.288 mm
B19.368 mm
R - Cone Backface To Clear Radius11.520 mm
r - Cup Backface To Clear Radius21.27 mm
da - Cone Frontface Backing Diameter48.51 mm
db - Cone Backface Backing Diameter51.05 mm
Da - Cup Frontface Backing Diameter71.88 mm
Db - Cup Backface Backing Diameter68.07 mm
Ab - Cage-Cone Frontface Clearance1.5 mm
Aa - Cage-Cone Backface Clearance0.3 mm
a - Effective Center Location3-2 mm
C90 - Dynamic Radial Rating (90 million revolutions)43470 lbf
C1 - Dynamic Radial Rating (1 million revolutions)513400 lbf
C0 - Static Radial Rating16500 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62640 lbf
K - Factor71.31
e - ISO Factor80.44
Y - ISO Factor91.35
G1 - Heat Generation Factor (Roller-Raceway)25.1
G2 - Heat Generation Factor (Rib-Roller End)17.4
Cg - Geometry Factor0.0783
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Company Profile

COOPER BEARING LIMITED
Phone +1-785-435-3678
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