Basic size of mm

d	82.55
D	146.05
T	41.275

The basic rated load is kN

trends C	220
static state Co	320

Fatigue load limit Pu	35.5

Rated rotation speed is r/min

Refer to the speed	3200
limit speed	4800

quality	2.8
model	663/653/Q
series	655

Dimensions are mm

d	82.55
d1 ～	114
B	41.275
C	31.75
r1,2 min	3.5
r3,4 min	3.3
a	32

Shoulder gear and chamfer size mm

Da max	96
db min	94.5
Da min	125
Da max	133
Db min	138
Ca min	6
Cb min	9
ra max	3
rb max	3

Calculation coefficient

e	0.4
Y	1.5
Yo	0.8