Basic size of mm

d	30
D	72
B	19

The basic rated load is kN

trends C	34.5
static state Co	21.2

Fatigue load limit Pu	0.9

Rated rotation speed is r/min

Refer to the speed	12000
limit speed	12000

Mass kg	0.37

Model number ¹⁾

General distribution bearings	7306BECBY
Basic design bearings	7306BEY

Dimensions are mm

d	30
d1 ～	46.6
d2 ～	37.9
D1 ～	56.5
r1,2 min	1.1
r3,4 min	0.6
a	31

Shoulder gear and chamfer size mm

da min	37
Da max	65
db max	67.8
ra max	1
rb max	0.6