Designations :NU 2256 ECML
Principal dimensions(mm)
d :280
D :500
B :130
Basic load ratings(KN)
Cr :2 330
Cor :3 750
Fatigue load limit(r/min)
Pu :320
Speed ratings(r/min)
Reference speed :1 200
Limiting speed :2 200
Dimensions(mm)
d1≈ :–
D1≈ :433
F E :333
r1,2 :5
r3,4 :5
s :4.5
Abutment and fillet dimensions(mm)
da
min :298
da
max :328
db,Da
min :331
Da
max :482
ra
max :4
rb
max :4
Calculation factor
kr :0.3
Angle ring Designation :–
Mass(kg) :–
Dimensions(mm)
B1 :–
B2 :–
Weight(kg) :115
