Basic size of mm

d	120
D	215
B	40

The basic rated load is kN

trends C	390
static state Co	430

Fatigue load limit Pu	49

Rated rotation speed is r/min

Refer to the speed	3400
limit speed	3600

Specification standard holder	5.75

model

Standard holder	*NU224ECP
Other holder 1)	J,M,ML

Dimensions are mm

d	120
d1 ～	153
D1 ～	188
F,E	143.5
r1,2 min	2.1
r3,4 min	2.1
s1)	1.9

Shoulder gear and chamfer size mm

da min	132
Da max	140
db,Da min	146
Da max	203
ra max	2
rb max	2

Calculation coefficient

kr	0.15

Corner circle

model	HJ224EC
quality	0.69
Size B1	11
Size B2	17