Basic size of mm

d	320
D	400
B	80

The basic rated load is kN

trends C	897
static state Co	2280

Fatigue load limit Pu	208

Rated rotation speed is r/min

Refer to the speed	630
limit speed	800

quality	24
model	NNC4864CV

Dimensions are mm

d	320
d1 ～	352
D1 ～	372
E	379.7
b1	9.4
k	5
r1,2 min	2.1
s1)	-

Shoulder gear and chamfer size mm

da min	331
das2) Suggested value	348
Da max	389
ra max	2