Basic size of mm

d	630
D	780
B	112

The basic rated load is kN

trends C	2190
static state Co	6100

Fatigue load limit Pu	415

Rated rotation speed is r/min

Refer to the speed	400
limit speed	750

quality	120

model

Column hole	238/630CAMA/W20
conical bore	238/630CAKMA/W20

Dimensions are mm

d	630
d2 ～	681
D1 ～	738
b	-
k	9
r1,2 min	4

Shoulder gear and chamfer size mm

da min	645
Da max	765
ra max	3

Calculation coefficient

e	0.12
Y1	5.6
Y2	8.4
Y0	5.6