Basic size of mm

d	320
D	440
B	118

The basic rated load is kN

trends C	1760
static state Co	4050

Fatigue load limit Pu	375

Rated rotation speed is r/min

Refer to the speed	600
limit speed	750

quality	56
model	NNC4964CV

Dimensions are mm

d	320
d1 ～	368
D1 ～	400
E	412.27
b1	9.4
k	5
r1,2 min	3
s1)	-

Shoulder gear and chamfer size mm

da min	335
das2) Suggested value	362
Da max	425
ra max	2.5