Basic size of mm

d	85
D	180
B	60

The basic rated load is kN

trends C	455
static state Co	490

Fatigue load limit Pu	60

Rated rotation speed is r/min

Refer to the speed	4000
limit speed	4800

Specification standard holder	7

model

Standard holder	*NUP2317ECP
Other holder 1)	ML

Dimensions are mm

d	85
d1 ～	117
D1 ～	153
F,E	108
r1,2 min	3
r3,4 min	3
s1)	-

Shoulder gear and chamfer size mm

da min	99
Da max	-
db,Da min	120
Da max	166
ra max	2.5
rb max	2.5

Calculation coefficient

kr	0.25

Corner circle

model
quality	-
Size B1	-
Size B2	-