Basic size of mm

d	105
D	190
B	36

The basic rated load is kN

trends C	140
static state Co	104

Fatigue load limit Pu	3.65

Rated rotation speed is r/min

Refer to the speed	7000
Limit speed 1)	3600

Mass kg	3.7

model

Both sides are sealed	*6221-2Z
One side is sealed	*6221-Z

Dimensions are mm

d	105
d1 ～	131
d2 ～	-
D2 ～	167
r1,2 min	2.1

Shoulder gear and chamfer size mm

da min	117
Da max	-
Da max	178
ra max	2

Calculation coefficient

kr	0.025
fo	14