Basic size of mm

d	60
D	130
B	31

The basic rated load is kN

trends C	91.3
static state Co	78

Fatigue load limit Pu	3.35

Rated rotation speed is r/min

Refer to the speed	9500
Limit speed 1)	6000

Mass kg	1.85

model

Bearing open type	312
Dust cover on one side	312-Z
There are dust covers on both sides	312-2Z

Dimensions are mm

d	60
d1 ～	80.3
D2 ～	113
r1,2 min	2.1

Shoulder gear and chamfer size mm

da min	71
Da max	119
ra max	2