Basic size of mm

d	50
D	78
H	22

The basic rated load is kN

trends C	91.5
static state Co	300

Fatigue load limit, Pu	31
The min load factor, A	0.0072

Rated rotation speed is r/min

Refer to the speed	1700
limit speed	3400

quality kg	0.36
model	81210TN

Dimensions are mm

d	50
d1 ～	78
D1 ～	52
B	6.5
Dw	9
r1,2 min	1

Shoulder gear and chamfer size mm

da min	75
Da max	53
ra max	1

Each component model

Cylinder roller-holder assembly	K81210TN
blowout patch	WS81210
race	GS81210