Basic size of mm

d	190
D	260
B	69

The basic rated load is kN

trends C	605
static state Co	1290

Fatigue load limit Pu	132

Rated rotation speed is r/min

Refer to the speed	1100
limit speed	1400

quality	11.2
model	NNC4938CV

Dimensions are mm

d	190
d1 ～	216
D1 ～	233
E	240.7
b1	7
k	4
r1,2 min	2
s1)	-

Shoulder gear and chamfer size mm

da min	200
das2) Suggested value	212
Da max	250
ra max	2