model

With dust cover	6228 ZZX
With sealing ring	6228 2RS

key dimension (mm)

d	140
D	250
B	42
r min.	3

specified load (N)

Cr	166
Cor	150

Limit of rotation speed (rpm)

Grease	2400
Grease(RD,2RD)	0
Grease(RS,2RS)	1600
Oil(Z)	2900

Shoulder retaining size(mm)

da min.	153
da max.	169
Da max.	237
ra max.	2.5

weight (kg)

Approx	7.45