Basic size of mm

d	150
D	270
B	45

The basic rated load is kN

trends C	510
static state Co	600

Fatigue load limit Pu	64

Rated rotation speed is r/min

Refer to the speed	2600
limit speed	2800

Specification standard holder	12

model

Standard holder	*NJ230ECM
Other holder 1)	J,ML

Dimensions are mm

d	150
d1 ～	193
D1 ～	234
F,E	182
r1,2 min	3
r3,4 min	3
s1)	2.5

Shoulder gear and chamfer size mm

da min	164
Da max	178
db,Da min	197
Da max	256
ra max	2.5
rb max	2.5

Calculation coefficient

kr	0.15

Corner circle

model	HJ230EC
quality	1.25
Size B1	12
Size B2	19.5