Designations :NU 256 MA
Principal dimensions(mm)
d :280
D :500
B :80
Basic load ratings(KN)
Cr :1 190
Cor :1 800
Fatigue load limit(r/min)
Pu :156
Speed ratings(r/min)
Reference speed :1 400
Limiting speed :1 900
Dimensions(mm)
d1≈ :–
D1≈ :417
F E :340
r1,2 :5
r3,4 :5
s :3.8
Abutment and fillet dimensions(mm)
da
min :300
da
max :333
db,Da
min :344
Da
max :480
ra
max :4
rb
max :4
Calculation factor
kr :0.15
Angle ring Designation :–
Mass(kg) :–
Dimensions(mm)
B1 :–
B2 :–
Weight(kg) :71.5
