Basic size of mm

d	55
D	100
B	21

The basic rated load is kN

trends C	48.4
static state Co	44

Fatigue load limit Pu	1.86

Rated rotation speed is r/min

Refer to the speed	12000
Limit speed 1)	7500

Mass kg	0.66

model

Bearing open type	211NR
Dust cover on one side	211-ZNR
There are dust covers on both sides	211-2ZNR
snap ring	SP100

Dimensions are mm

d	55
d1 ～	63.1
D2 ～	89.4
D3	96.8
D4	106.5
f	2.46
b	2.7
C	3.28
r0 max	0.6
r1,2 min	1.5

Shoulder gear and chamfer size mm

da min	63
Da max	92
db min	108
Ba min	3
Ca max	5.74
ra max	1.5