Designations :NJ 2980 ECMA
Principal dimensions(mm)
d :400
D :540
B :82
Basic load ratings(KN)
Cr :1 380
Cor :2 800
Fatigue load limit(r/min)
Pu :245
Speed ratings(r/min)
Reference speed :1 200
Limiting speed :1 600
Dimensions(mm)
d1≈ :448
D1≈ :495
F E :435
r1,2 :4
r3,4 :4
s :0.9
Abutment and fillet dimensions(mm)
da
min :415
da
max :430
db,Da
min :454
Da
max :525
ra
max :3
rb
max :–
Calculation factor
kr :0.15
Angle ring Designation :–
Mass(kg) :–
Dimensions(mm)
B1 :–
B2 :–
Weight(kg) :57
