NNU4930K TIMKEN Double row cylindrical roller bearings
Brand Name:TIMKEN
Model Number:NNU4930K
Series:18700
Cone Part Number:18780
Cup Part Number:18720
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:46.038 mm
D:85.001 mm

Product Details

Series18700
Cone Part Number18780
Cup Part Number18720
Design UnitsImperial
Bearing Weight0.4 Kg
Cage TypeStamped Steel
d46.038 mm
D85.001 mm
B - Cone Width17.463 mm
C - Cup Width13.495 mm
B17.463 mm
R - Cone Backface To Clear Radius12.290 mm
r - Cup Backface To Clear Radius21.52 mm
da - Cone Frontface Backing Diameter52.07 mm
db - Cone Backface Backing Diameter55.88 mm
Da - Cup Frontface Backing Diameter80.77 mm
Db - Cup Backface Backing Diameter76.96 mm
Ab - Cage-Cone Frontface Clearance2.3 mm
Aa - Cage-Cone Backface Clearance0.5 mm
a - Effective Center Location3-0.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)43190 lbf
C1 - Dynamic Radial Rating (1 million revolutions)512300 lbf
C0 - Static Radial Rating15200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62210 lbf
K - Factor71.44
e - ISO Factor80.41
Y - ISO Factor91.48
G1 - Heat Generation Factor (Roller-Raceway)28.6
G2 - Heat Generation Factor (Rib-Roller End)23.4
Cg - Geometry Factor0.0789
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Company Profile

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