Bore Combination
(mm)		Rated Torque
Nm		Max
(rpm)		Torsional stiffness
(Nm/rad)		Max Parallel offset
(mm)		Max Angular offet
(°)		Max allowable axial movement
(mm)		Inertia
(kg・m2)		Weight
(g)		Material
UJ2-20.154,0001.80.053±0.150.5×10-80.7 
2.5-3
3-3		0.254,00020.14±0.20.4×10-72.3

P
o
l
y
a
c
e
t
a
l

 
3.2-3.2A0.454,00060.14±0.20.4×10-72.2

G
L
A
S
S
F
I
B
R
E

P
B
T

4-3
4-4		0.55,000100.15±0.30.6×10-72.4
5-50.75,00080.15±0.30.6×10-72.7
6-2.4
6-3		0.66,00090.15±0.30.8×10-73
6-3.2
6-4
6-5		0.76,000100.15±0.30.8×10-73
6-60.86,000100.15±0.30.8×10-73
8-4
8-5
8-6
8-8		1.06,000160.25±0.32.5×10-74