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	211
Dust cover on one side	211-Z
There are dust covers on both sides	211-2Z

Dimensions are mm

d	55
d1 ～	63.1
D2 ～	89.4
r1,2 min	1.5

Shoulder gear and chamfer size mm

da min	63
Da max	92
ra max	1.5