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	0.95

model

Standard holder	*NUP309ECP
Other holder 1)	J,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)	-

Shoulder gear and chamfer size mm

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

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-