Basic size of mm

d	1250
D	1750
B	375

The basic rated load is kN

trends C	20400
static state Co	45000

Fatigue load limit Pu	2320

Rated rotation speed is r/min

Refer to the speed	180
limit speed	240

quality	2740

model

Bearing cylindrical hole	*C30/1250MB1)
conical bore	*C30/1250KMB1)

Dimensions are mm

d	1250
d2 ～	1397
D1 ～	1613
r1,2 min	9.5
s11) ～	37

Shoulder gear and chamfer size mm

da min	1284
da max	1395
Da min	1615
Da max	1716
Ca2) max	33.9
ra max	8

Calculation coefficient

k1	-
k2	0.126