Basic size of mm

d	55
D	100
B	21

The basic rated load is kN

trends C	96.5
static state Co	95

Fatigue load limit Pu	12.2

Rated rotation speed is r/min

Refer to the speed	7500
limit speed	8000

Specification standard holder	0.69

model

Standard holder	*NUP211ECP
Other holder 1)	J,M,ML

Dimensions are mm

d	55
d1 ～	70.8
D1 ～	86.3
F,E	66
r1,2 min	1.5
r3,4 min	1.1
s1)	-

Shoulder gear and chamfer size mm

da min	64
Da max	-
db,Da min	73
Da max	91
ra max	1.5
rb max	1

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-