Basic size of mm

d	280
D	380
H	80

The basic rated load is kN

trends C	1160
static state Co	5500

Fatigue load limit, Pu	425
The min load factor, A	2.4

Rated rotation speed is r/min

Refer to the speed	360
limit speed	750

quality kg	26
model	81256M

Dimensions are mm

d	280
d1 ～	375
D1 ～	284
B	24
Dw	32
r1,2 min	2

Shoulder gear and chamfer size mm

da min	373
Da max	300
ra max	2

Each component model

Cylinder roller-holder assembly	K81256M
blowout patch	WS81256
race	GS81256