Basic size of mm

d	150
D	270
B	45

The basic rated load is kN

trends C	510
static state Co	600

Fatigue load limit Pu	64

Rated rotation speed is r/min

Refer to the speed	2600
limit speed	2800

Specification standard holder	12.2

model

Standard holder	*NUP230ECM
Other holder 1)	ML

Dimensions are mm

d	150
d1 ～	193
D1 ～	234
F,E	182
r1,2 min	3
r3,4 min	3
s1)	-

Shoulder gear and chamfer size mm

da min	164
Da max	-
db,Da min	197
Da max	256
ra max	2.5
rb max	2.5

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-