model

With stop slot	6221N
With a stop ring	6221NR

key dimension (mm)

d	105
D	190
B	36
r min.	2.1
r1 min.	0.5

specified load (KN)

Cr	133
Cor	105

Limit of rotation speed (rpm)

Grease	3300
Oil	3900

Stop Sway Size(mm)

D1 max.	183.64
a max.	5.69
b ±0.15	3.65
r0 max.	0.6

Stop ring size(mm)

D2 max.	202.9
f ±0.05	3.05

Shoulder retaining size (mm)

da min.	116
Da max.	179
Dx min.	205
Cy max.	8.44
ra max.	2
rb max.	0.5

weight (kg)

Approx	3.7