Basic size of mm

d	40
D	78
H1	31

The basic rated load is kN

trends C	61.8
static state Co	122

Fatigue load limit, Pu	4.5
The min load factor, A	0.077

Rated rotation speed is r/min

Refer to the speed	3000
limit speed	4300

Mass bearing + seat ring	0.67

model

bearing	53308
Seat washer	U308

Dimensions are mm

d	40
d1 ～	78
D1 ～	42
D2	60
D3	82
H	28.5
C	8.5
R	64
s	28
r1,2 min	1

Shoulder gear and chamfer size mm

da min	63
Da max	60
ra max	1