Basic size of mm

d	170
D	310
B	86

The basic rated load is kN

trends C	1270
static state Co	1630

Fatigue load limit Pu	150

Rated rotation speed is r/min

Refer to the speed	2000
limit speed	2600

quality	28

model

Bearing cylindrical hole	*C2234
conical bore	*C2234K

Dimensions are mm

d	170
d2 ～	209
D1 ～	274
r1,2 min	4
s11) ～	16.4
s21) ～	-

Shoulder gear and chamfer size mm

da min	187
da max	230
Da min	255
Da max	293
Ca2) max	3
ra max	3

Calculation coefficient

k1	0.114
k2	0.1