Basic size of mm

d	25
D	52
B	15

The basic rated load is kN

trends C	28.6
static state Co	27

Fatigue load limit Pu	3.35

Rated rotation speed is r/min

Refer to the speed	14000
limit speed	16000

Specification standard holder	0.14

model

Standard holder	NUP205ECP
Other holder 1)	ML

Dimensions are mm

d	25
d1 ～	34.7
D1 ～	43.8
F,E	31.5
r1,2 min	1
r3,4 min	0.6
s1)	-

Shoulder gear and chamfer size mm

da min	30.6
Da max	-
db,Da min	36
Da max	46.4
ra max	1
rb max	0.6

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-