Basic size of mm

d	55
D	90
H	25

The basic rated load is kN

trends C	122
static state Co	390

Fatigue load limit, Pu	40
The min load factor, A	0.012

Rated rotation speed is r/min

Refer to the speed	1400
limit speed	2800

quality kg	0.57
model	81211TN

Dimensions are mm

d	55
d1 ～	90
D1 ～	57
B	7
Dw	11
r1,2 min	1

Shoulder gear and chamfer size mm

da min	85
Da max	59
ra max	1

Each component model

Cylinder roller-holder assembly	K81211TN
blowout patch	WS81211
race	GS81211