Basic size of mm

d	400
D	540
B	65

The basic rated load is kN

trends C	345
static state Co	570

Fatigue load limit Pu	11.2

Rated rotation speed is r/min

Refer to the speed	2200
limit speed	1800

Mass kg	41.5
model	61980MA

Dimensions are mm

d	400
d1 ～	445
D1 ～	495
r1,2 min	4

Shoulder gear and chamfer size mm

da min	415
Da max	525
ra max	3

Calculation coefficient

kr	0.02
fo	17