Basic size of mm

d	630
D	920
B	290

The basic rated load is kN

trends C	8800
static state Co	18000

Fatigue load limit Pu	1140

Rated rotation speed is r/min

Refer to the speed	320
limit speed	530

quality	645

model

Column hole	*240/630ECJ/W33
conical bore	*240/630ECK30J/W33

Dimensions are mm

d	630
d2 ～	697
D1 ～	823
b	22.3
k	12
r1,2 min	7.5

Shoulder gear and chamfer size mm

da min	658
Da max	892
ra max	6

Calculation coefficient

e	0.28
Y1	2.4
Y2	3.6
Y0	2.5