Basic size of mm

d	90
D	190
B	64

The basic rated load is kN

trends C	500
static state Co	540

Fatigue load limit Pu	65.5

Rated rotation speed is r/min

Refer to the speed	3800
limit speed	4500

Specification standard holder	8.3

model

Standard holder	*NUP2318ECP
Other holder 1)	ML

Dimensions are mm

d	90
d1 ～	124
D1 ～	162
F,E	113.5
r1,2 min	3
r3,4 min	3
s1)	-

Shoulder gear and chamfer size mm

da min	104
Da max	110
db,Da min	127
Da max	176
ra max	2.5
rb max	2.5

Calculation coefficient

kr	0.25

Corner circle

model	-
quality	-
Size B1	-
Size B2	-