Basic size of mm

d	670
D	820
B	69

The basic rated load is kN

trends C	442
static state Co	1000

Fatigue load limit Pu	15.6

Rated rotation speed is r/min

Refer to the speed	1300
limit speed	1100

Mass kg	83.5
model	618/670MA

Dimensions are mm

d	670
d1 ～	718
D1 ～	772
r1,2 min	4

Shoulder gear and chamfer size mm

da min	685
Da max	805
ra max	3

Calculation coefficient

kr	0.015
fo	17