Basic size of mm

d	120
D	260
B	55

The basic rated load is kN

trends C	610
static state Co	620

Fatigue load limit Pu	69.5

Rated rotation speed is r/min

Refer to the speed	2800
limit speed	3200

Specification standard holder	13.7

model

Standard holder	*NUP324ECP
Other holder 1)	ML

Dimensions are mm

d	120
d1 ～	168
D1 ～	219
F,E	154
r1,2 min	3
r3,4 min	3
s1)	-

Shoulder gear and chamfer size mm

da min	134
Da max	-
db,Da min	171
Da max	246
ra max	2.5
rb max	2.5

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-