Basic size of mm

d	180
D	320
B	52

The basic rated load is kN

trends C	720
static state Co	850

Fatigue load limit Pu	88

Rated rotation speed is r/min

Refer to the speed	2200
limit speed	3200

Specification standard holder	20.2

model

Standard holder	*NJ236ECMA
Other holder 1)	-

Dimensions are mm

d	180
d1 ～	230
D1 ～	279
F,E	217
r1,2 min	4
r3,4 min	4
s1)	2.9

Shoulder gear and chamfer size mm

da min	197
Da max	213
db,Da min	234
Da max	303
ra max	3
rb max	3

Calculation coefficient

kr	0.15

Corner circle

model	HJ236EC
quality	1.7
Size B1	12
Size B2	20