Basic size of mm

d	35
D	80
B	21

The basic rated load is kN

trends C	39
static state Co	24.5

Fatigue load limit Pu	1.04

Rated rotation speed is r/min

Refer to the speed	10000
limit speed	10000

Mass kg	0.49

Model number ¹⁾

General distribution bearings	7307BECBY
Basic design bearings	7307BEY

Dimensions are mm

d	35
d1 ～	52.8
d2 ～	43.6
D1 ～	63.3
r1,2 min	1.5
r3,4 min	1
a	35

Shoulder gear and chamfer size mm

da min	44
Da max	71
db max	74.4
ra max	1.5
rb max	1