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	6

model

Standard holder	*NUP224ECJ
Other holder 1)	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)	-

Shoulder gear and chamfer size mm

da min	132
Da max	-
db,Da min	156
Da max	203
ra max	2
rb max	2

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-