Basic size of mm

d	60
D	85
B	25

The basic rated load is kN

trends C	78.1
static state Co	137

Fatigue load limit Pu	14.3

Rated rotation speed is r/min

Refer to the speed	3600
limit speed	4500

quality	0.49
model	NNCF4912CV

Dimensions are mm

d	60
d1 ～	70.5
D1 ～	73.5
E	77.51
b1	4.5
k	3.5
r1,2 min	1
s1)	1

Shoulder gear and chamfer size mm

da min	64.6
das2) Suggested value	68.5
Da max	80.4
ra max	1