Basic size of mm

d	60
D	130
B	31

The basic rated load is kN

trends C	173
static state Co	160

Fatigue load limit Pu	20.8

Rated rotation speed is r/min

Refer to the speed	5600
limit speed	6700

Specification standard holder	1.9

model

Standard holder	*NJ312ECP
Other holder 1)	J,M,ML

Dimensions are mm

d	60
d1 ～	84.3
D1 ～	110
F,E	77
r1,2 min	2.1
r3,4 min	2.1
s1)	2.1

Shoulder gear and chamfer size mm

da min	72
Da max	74
db,Da min	87
Da max	118
ra max	2
rb max	2

Calculation coefficient

kr	0.15

Corner circle

model	HJ312EC
quality	0.22
Size B1	9
Size B2	14.5