EN logo ZKL Group

The history is cornerstone of the
present time as well as challenge to the future.

Single row angular contact ball bearings d = 10 - 75 mm

7204B

Bearing in the new standard NEW FORCE

 

schema

 

Dimensions Basic load rating Fatique load limit Limiting speed for lubrication with
d D B rs (min) r1s (min) a Dynamic (Cr) Static (Cor) Pu Grease Oil
mm kN kN min-1
20 47 14 1 0.6 21 14.691 7.645 0.348 12 600 15 000

 

Bearing designation Abutment and fillet dimensions Weight
  d da (min) Da (max) ra (max)  
  mm kg
7204B 20 25 42 1 0.11

 

Calculations

vzorec C = kN  
P = kN  
L10 = 106ot
vzorec Fa
Fr
L10h =(CP)p*10660*n   n=
 
L10h = h
  D=
 
L10km = 106km
vzorec   a23=
  a1=
Lna = 106ot
Copyright © 2012 ZKL, a.s.