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Single row cylindrical roller bearings d = 20 - 1180 mm

NU305EMAS

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 34 38.3 4 7 1.4 43 36.2 4.410

 

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 NU305EMAS NJ305EMAS NUP305EMAS HJ305E 0.26 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 32 37 40 0 55 0 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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