Basic size of mm

d	630
D	780
B	88

The basic rated load is kN

trends C	1870
static state Co	5000

Fatigue load limit Pu	390

Rated rotation speed is r/min

Refer to the speed	300
limit speed	360

quality	92.5
model	NCF28/630V

Dimensions are mm

d	630
d1 ～	680
D1 ～	728
E	739
r1,2 min	4
r3,4 min	4
s1)	8

Shoulder gear and chamfer size mm

da min	645
das2) Suggested value	674
Da max	765
Db max	765
ra max	3
rb max	3