Basic size of mm

d	17
D	47
B	14

The basic rated load is kN

trends C	15.9
static state Co	8.3

Fatigue load limit Pu	0.355

Rated rotation speed is r/min

Refer to the speed	19000
limit speed	19000

Mass kg	0.11

Model number ¹⁾

General distribution bearings	7303BECBP
Basic design bearings	7303BEP

Dimensions are mm

d	17
d1 ～	28.7
d2 ～	22.8
D1 ～	36.2
r1,2 min	1
r3,4 min	0.6
a	20.4

Shoulder gear and chamfer size mm

da min	22.6
Da max	41.4
db max	42.8
ra max	1
rb max	0.6