Dimensions - NU 318 ECM

Dimensions

d
90 mm
Bore diameter
D
190 mm
Outside diameter
B
43 mm
Width
D1
160.3 mm
Shoulder diameter of outer ring
F
113.5 mm
Raceway diameter of inner ring
r1,2
min.3 mm
Chamfer dimension
r3,4
min.3 mm
Chamfer dimension
s
max.2.5 mm
Permissible axial displacement

 

Abutment dimensions - NU 318 ECM

Abutment dimensions

da
min.104 mm
Diameter of spacer sleeve
da
max.110 mm
Diameter of spacer sleeve
db
min.116 mm
Diameter of shaft abutment
Da
max.175.3 mm
Diameter of housing abutment
ra
max.2.5 mm
Radius of fillet
rb
max.2.5 mm
Radius of fillet

Calculation data

SKF performance class
SKF Explorer
Basic dynamic load rating C
365 kN
Basic static load rating C0
360 kN
Fatigue load limit Pu
43 kN
Reference speed
3 800 r/min
Limiting speed
4 500 r/min
Minimum load factor kr
0.15
Limiting value e
0.2
Calculation factor Y
0.6
B

43mm

d

90mm

D

190mm