Basic size of mm

d	40
D	80
B	23

The basic rated load is kN

trends C	81.5
static state Co	75

Fatigue load limit Pu	9.65

Rated rotation speed is r/min

Refer to the speed	9500
limit speed	11000

Specification standard holder	0.54

model

Standard holder	*NU2208ECP
Other holder 1)	J,ML

Dimensions are mm

d	40
d1 ～	54
D1 ～	67.9
F,E	49.5
r1,2 min	1.1
r3,4 min	1.1
s1)	1.9

Shoulder gear and chamfer size mm

da min	47
Da max	48
db,Da min	51
Da max	73
ra max	1
rb max	1

Calculation coefficient

kr	0.2

Corner circle

model	HJ2208EC
quality	0.048
Size B1	5
Size B2	9