Basic size of mm

d	55
D	100
B	21

The basic rated load is kN

trends C	46.2
static state Co	36

Fatigue load limit Pu	1.53

Rated rotation speed is r/min

Refer to the speed	7500
limit speed	8000

Mass kg	0.66

Model number ¹⁾

General distribution bearings	7211BECBM
Basic design bearings	-

Dimensions are mm

d	55
d1 ～	72.4
d2 ～	63.6
D1 ～	83.7
r1,2 min	1.5
r3,4 min	1
a	43

Shoulder gear and chamfer size mm

da min	64
Da max	91
db max	94
ra max	1.5
rb max	1