NNU4064 KOYO Double-row cylindrical roller bearings

Brand Name:KOYO
Model Number:NNU4064
Series:230000
Cone Part Number:EE231462
Cup Part Number:231975
Design Units:Imperial
Bearing Weight:34.400 Kg
Cage Type:Stamped Steel
d:371.475 mm
D:501.650 mm
PDF NNU4064

Product Details

Series230000
Cone Part NumberEE231462
Cup Part Number231975
Design UnitsImperial
Bearing Weight34.400 Kg
Cage TypeStamped Steel
d371.475 mm
D501.650 mm
B - Cone Width66.675 mm
C - Cup Width50.800 mm
B74.613 mm
R - Cone Backface To Clear Radius16.35 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter389.89 mm
db - Cone Backface Backing Diameter400.05 mm
Da - Cup Frontface Backing Diameter481.10 mm
Db - Cup Backface Backing Diameter471.93 mm
Ab - Cage-Cone Frontface Clearance7.6 mm
Aa - Cage-Cone Backface Clearance18 mm
a - Effective Center Location319.6 mm
C90 - Dynamic Radial Rating (90 million revolutions)461300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5236000 lbf
C0 - Static Radial Rating420000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)646200 lbf
K - Factor71.33
e - ISO Factor80.44
Y - ISO Factor91.36
G1 - Heat Generation Factor (Roller-Raceway)2390
G2 - Heat Generation Factor (Rib-Roller End)366
Cg - Geometry Factor0.187
View more

Company Profile

Phone 49-2104-13138
View more

Related News

  • How to Easily Repair Your Pitted and Spalled ConcretePitting can sometimes cover large areas of the floor while spalling may be more localized. Prepping the concrete for repair. Fortunately the majority of pitting and  How to Fix Spalling...
  • Do 'sealed' bearings still need grease?: Triathlon ForumIn general it is fine to clean the exterior of the bearings unless you see a substantial amount of lubricant being expelled from the bearing, in which  Sealed or Shielded Bearings?...
  • To Grease or Not to Grease - Reliable PlantUseful in smaller motors, sealed bearings can have a much reduced service life strategy is to apply lubrication engineering logic to calculate both the required  Greased up sealed bearings |...
  • Recommended Products

    All Products Contact Now