Basic size of mm

d	240
D	320
B	80

The basic rated load is kN

trends C	781
static state Co	1760

Fatigue load limit Pu	173

Rated rotation speed is r/min

Refer to the speed	850
limit speed	1100

quality	18.5
model	NNCF4948CV

Dimensions are mm

d	240
d1 ～	270
D1 ～	292
E	299.46
b1	8
k	4
r1,2 min	2.1
s1)	5

Shoulder gear and chamfer size mm

da min	251
das2) Suggested value	267
Da max	309
ra max	2