Basic size of mm

d	105
D	225
B	49

The basic rated load is kN

trends C	500
static state Co	500

Fatigue load limit Pu	57

Rated rotation speed is r/min

Refer to the speed	3200
limit speed	3800

Specification standard holder	9

model

Standard holder	*NJ321ECJ
Other holder 1)	ML

Dimensions are mm

d	105
d1 ～	145
D1 ～	190
F,E	133
r1,2 min	3
r3,4 min	3
s1)	3.4

Shoulder gear and chamfer size mm

da min	119
Da max	130
db,Da min	148
Da max	211
ra max	2.5
rb max	2.5

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-