Basic size of mm

d	45
D	100
B	25

The basic rated load is kN

trends C	112
static state Co	100

Fatigue load limit Pu	12.9

Rated rotation speed is r/min

Refer to the speed	7500
limit speed	8500

Specification standard holder	1.05

model

Standard holder	*NJ309ECP
Other holder 1)	J,M,ML

Dimensions are mm

d	45
d1 ～	64.4
D1 ～	83.8
F,E	58.5
r1,2 min	1.5
r3,4 min	1.5
s1)	1.7

Shoulder gear and chamfer size mm

da min	54
Da max	56
db,Da min	67
Da max	91
ra max	1.5
rb max	1.5

Calculation coefficient

kr	0.15

Corner circle

model	HJ309EC
quality	0.11
Size B1	7
Size B2	11.5