Basic size of mm

d	100
D	180
B	34

The basic rated load is kN

trends C	135
static state Co	122

Fatigue load limit Pu	4.4

Rated rotation speed is r/min

Refer to the speed	4000
limit speed	4000

Mass kg	3.38

Model number ¹⁾

General distribution bearings	7220BECBY
Basic design bearings	7220BEY

Dimensions are mm

d	100
d1 ～	131
d2 ～	115.2
D1 ～	150.9
r1,2 min	2.1
r3,4 min	1.1
a	76

Shoulder gear and chamfer size mm

da min	112
Da max	168
db max	173
ra max	2
rb max	1