Basic size of mm

d	260
D	360
B	100

The basic rated load is kN

trends C	1170
static state Co	2550

Fatigue load limit Pu	245

Rated rotation speed is r/min

Refer to the speed	750
limit speed	950

quality	32
model	NNC4952CV

Dimensions are mm

d	260
d1 ～	295
D1 ～	321
E	331.33
b1	9.4
k	5
r1,2 min	2.1
s1)	-

Shoulder gear and chamfer size mm

da min	271
das2) Suggested value	290
Da max	349
ra max	2