Designations :NU 421 M
Principal dimensions(mm)
d :105
D :260
B :60
Basic load ratings(KN)
Cr :501
Cor :570
Fatigue load limit(r/min)
Pu :64
Speed ratings(r/min)
Reference speed :2 800
Limiting speed :3 400
Dimensions(mm)
d1≈ :–
D1≈ :206.3
F E :144.5
r1,2 :4
r3,4 :4
s :4.9
Abutment and fillet dimensions(mm)
da
min :124
da
max :140
db,Da
min :147
Da
max :241
ra
max :3
rb
max :3
Calculation factor
kr :0.15
Angle ring Designation :–
Mass(kg) :–
Dimensions(mm)
B1 :–
B2 :–
Weight(kg) :17.5
