Basic size of mm

d	90
D	160
B	30

The basic rated load is kN

trends C	208
static state Co	220

Fatigue load limit Pu	27

Rated rotation speed is r/min

Refer to the speed	4500
limit speed	5000

Specification standard holder	2.45

model

Standard holder	*NUP218ECP
Other holder 1)	M,ML

Dimensions are mm

d	90
d1 ～	114
D1 ～	140
F,E	107
r1,2 min	2
r3,4 min	2
s1)	-

Shoulder gear and chamfer size mm

da min	101
Da max	-
db,Da min	117
Da max	149
ra max	2
rb max	2

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-