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Single row cylindrical roller bearings d = 20 - 1180 mm

NU305

schema

 

Dimensions Basic load rating Fatique load limit
d2 D B rs (min) r1s (min) F E d2 (max) b b1 s Dynamic (Ca) Static (Coa) Pu
mm kN kN
25 62 17 1.1 1.1 35 53 39.3 4 8 1.4 27.6 21.5 2.620

 

Limiting speed for lubrication with Bearing designation Angle ring Weight
Grease Oil NU NJ NJP N HJ Bearing Angle ring
min-1     kg
10000 12000 NU305 NJ305 NUP305 N305 HJ305 0.24 0.03

 

Abutment and fillet dimensions
d da (min) da (max) db (min) dc (min) dd (max) Da (max) Da (min) ra (max) rb (max)
mm
25 31 33 37 40 51 55 55 1 1

 

Calculations

vzorec C = kN  
P = kN  
L10 = 106ot
vzorec Fa
Fr
  n=
 
L10h = h
  D=
 
L10km = 106km
vzorec   a23=
  a1=
Lna = 106ot
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