NNU4084-1 KOYO Double-row cylindrical roller bearings

Brand Name:KOYO
Model Number:NNU4084-1
Series:LM501300
Cone Part Number:LM501349
Cup Part Number:LM501310
Design Units:Imperial
Bearing Weight:0.30 Kg
Cage Type:Stamped Steel
d:41.275 mm
D:73.431 mm
PDF NNU4084-1

Product Details

SeriesLM501300
Cone Part NumberLM501349
Cup Part NumberLM501310
Design UnitsImperial
Bearing Weight0.30 Kg
Cage TypeStamped Steel
d41.275 mm
D73.431 mm
B - Cone Width19.812 mm
C - Cup Width14.732 mm
B19.558 mm
R - Cone Backface To Clear Radius13.560 mm
r - Cup Backface To Clear Radius20.76 mm
da - Cone Frontface Backing Diameter48.01 mm
db - Cone Backface Backing Diameter54.10 mm
Da - Cup Frontface Backing Diameter71.10 mm
Db - Cup Backface Backing Diameter67.06 mm
Ab - Cage-Cone Frontface Clearance1.8 mm
Aa - Cage-Cone Backface Clearance0.3 mm
a - Effective Center Location3-3.3 mm
C90 - Dynamic Radial Rating (90 million revolutions)44360 lbf
C1 - Dynamic Radial Rating (1 million revolutions)516800 lbf
C0 - Static Radial Rating16700 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62980 lbf
K - Factor71.46
e - ISO Factor80.4
Y - ISO Factor91.5
G1 - Heat Generation Factor (Roller-Raceway)23.3
G2 - Heat Generation Factor (Rib-Roller End)13.3
Cg - Geometry Factor0.0739
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Company Profile

Phone 49-2104-13138
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