Basic size of mm

d	300
D	420
B	118

The basic rated load is kN

trends C	1680
static state Co	3750

Fatigue load limit Pu	355

Rated rotation speed is r/min

Refer to the speed	670
limit speed	800

quality	53
model	NNC4960CV

Dimensions are mm

d	300
d1 ～	341
D1 ～	374
E	385.51
b1	9.4
k	5
r1,2 min	3
s1)	-

Shoulder gear and chamfer size mm

da min	315
das2) Suggested value	335
Da max	405
ra max	2.5