Basic size of mm

d	380
D	520
B	140

The basic rated load is kN

trends C	2380
static state Co	5700

Fatigue load limit Pu	500

Rated rotation speed is r/min

Refer to the speed	500
limit speed	630

quality	92.4
model	NNC4976CV

Dimensions are mm

d	380
d1 ～	431
D1 ～	468
E	481.35
b1	9.4
k	5
r1,2 min	4
s1)	-

Shoulder gear and chamfer size mm

da min	398
das2) Suggested value	424
Da max	502
ra max	3