Basic size of mm

d	630
D	1030
B	315

The basic rated load is kN

trends C	12200
static state Co	22000

Fatigue load limit Pu	1370

Rated rotation speed is r/min

Refer to the speed	400
limit speed	560

quality	1040

model

Bearing cylindrical hole	*C31/630MB1)
conical bore	*C31/630KMB1)

Dimensions are mm

d	630
d2 ～	749
D1 ～	919
r1,2 min	7.5
s11) ～	31

Shoulder gear and chamfer size mm

da min	662
da max	745
Da min	920
Da max	998
Ca2) max	26.8
ra max	6

Calculation coefficient

k1	-
k2	0.109