Basic size of mm

d	25
D	62
B	24

The basic rated load is kN

trends C	64
static state Co	55

Fatigue load limit Pu	6.95

Rated rotation speed is r/min

Refer to the speed	12000
limit speed	15000

Specification standard holder	0.38

model

Standard holder	*NUP2305ECP
Other holder 1)	ML

Dimensions are mm

d	25
d1 ～	38.1
D1 ～	50.7
F,E	34
r1,2 min	1.1
r3,4 min	1.1
s1)	-

Shoulder gear and chamfer size mm

da min	32
Da max	-
db,Da min	40
Da max	55
ra max	1
rb max	1

Calculation coefficient

kr	0.25

Corner circle

model	-
quality	-
Size B1	-
Size B2	-