Type	d1	Possible bore combinations d2 (mm)	D (mm)	L (mm)	P (mm)	B (mm)	Metric Cap screw M	Wrench Torque on cap screw (Nm)
GJ	1.5	1.5 ,2	9	11	8.2	3.2	2	0.08
	1.5	2.5, 3	10	12	8.4	3.2	2	0.08
	2	2	9	13	10	3.2	2	0.08
	3	3	12	20	15	5.1	3	0.15
	4	4	13	21	15	5.3	3	0.2
	5	5	14	21	15	5.2	3	0.2
	6	6	15	22	16	5.2	3	0.25
	8	8	19	24	17	6.8	4	0.4
	10	10	22	26	18	7.1	4	0.5
G2J	4	2.5, 3, 3.2, 4	14	21	16	5.3	3	0.25
	5	3, 3.2, 4, 5	15	20.5	15	5.3	3	0.25
	6	3, 3.2, 4, 5, 6	16	21	16	5.5	3	0.3
	8	4, 5, 6, 8	20	24	16	6.8	4	0.45
GJK	9.53	9.53	25	32	25	7.3	4	0.65
	10	10	25	32	25	7.3	4	0.65
	12	12	28	34	27	7.5	4	0.8
EGJ2		3, 4, 5, 6, 8	22	22.3	16.7	5.4	4	1.2

TYPE GJ Performance

Bore Combination (d1-d2)(mm)		Rated Torque (Nm)	Max (rpm)	Torsional stiffness (Nm/rad)	Max Parallel offset (mm)	Max Angular offet (°)	Max allowable axial movement (mm)	Inertia (kgãƒ»m2)	Weight (g)	Material
GJ	1.5-1.5	0.18	4,000	1.8	0.2	3	±0.3	1.0×10-8	0.9	Glass fibre reinforced PBT resin GFPBT
	1.5-2	0.18	4,000	1.8	0.2	3	±0.3	1.0×10-8	0.9
	1.5-2.5	0.22	4,000	2	0.2	3	±0.3	1.4×10-8	1.1
	1.5-3	0.22	4,000	2	0.2	3	±0.3	1.4×10-8	1.1
	2-2	0.18	4,000	1.5	0.3	4	±0.3	1.0×10-8	1
	3-3	0.4	4,000	4	0.4	5	±0.3	4.5×10-8	2.5
	4-4	0.6	4,000	6	0.4	5	±0.4	7.0×10-8	3.1
	5-5	0.7	5,000	8	0.5	5	±0.4	9.0×10-8	3.3
	6-6	0.8	6,000	10	0.5	5	±0.4	1.2×10-7	3.9
	8-8	1.5	8,000	20	0.5	5	±0.4	3.9×10-7	7.3
	10-10	2	10,000	32	0.5	5	±0.4	7.0×10-7	10
G2J	4-d2	0.8	5,000	10	0.4	5	±0.4	8.0×10-8	3.4
	5-d2	0.9	6,000	12	0.4	5	±0.4	1.0×10-7	4
	6-d2	1	6,000	16	0.5	5	±0.4	1.3×10-7	4.5
	8-d2	1.7	8,000	28	0.5	5	±0.4	4.0×10-7	7.5
GJK	9.53-9.53	3	10,000	35	0.5	4	±0.4	1.3×10-6	15
	10-10	3	10,000	35	0.5	4	±0.4	1.3×10-6	15
	12-12	3.6	12,000	40	0.5	4	±0.4	2.1×10-6	19
EGJ2	3mm up to 8mm	0.8	12,000	23	0.8	7	±0.7	4.0×10-7	13	Polyacetal with Brass insert for bore

Optimum operating temperature: Polyacetal -20°C~60°C (GFPBT:-30°C~85°C)
Please note that half the allowable torque is possible at the maximum allowable temperature.

Coupling type UJ - For lower duty

Type UJ is for lighter usage and smaller angular and parallel shaft offsets.
Single element design
Lower duty rated
Low inertia

Coupling type UJ

Type UJ Dimensions

Type	d1	Possible bore cominations d2 (mm)	D (mm)	L (mm)	P (mm)	B (mm)	Metric Cap screw M	Wrench torque on cap screw (Nm)
UJ	2	2	8	9	5.8	3.2	2	0.05
	2.5	3	12	15	9.2	5.3	3	0.18
	3	3	12	15	9.2	5.3	3	0.18
	3.2	3.2A	12	15	9	5.4	3	0.2
	4	3, 4	14	15	9.5	5	3	0.2
	5	5	14	15	9.8	5.2	3	0.2
	6	2.4, 3, 3.2, 4, 5, 6	15	16	9.8	5.5	3	0.2
	8	4, 5, 6, 8	18	18	13	5.5	3	0.25

Type UJ Performance

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 (kgãƒ»m2)	Weight (g)	Material
UJ	2-2	0.15	4,000	1.8	0.05	3	±0.15	0.5×10-8	0.7
	2.5-3 3-3	0.25	4,000	2	0.1	4	±0.2	0.4×10-7	2.3	P o l y a c e t a l
	3.2-3.2A	0.45	4,000	6	0.1	4	±0.2	0.4×10-7	2.2		G L A S S F I B R E P B T
	4-3 4-4	0.5	5,000	10	0.1	5	±0.3	0.6×10-7	2.4
	5-5	0.7	5,000	8	0.1	5	±0.3	0.6×10-7	2.7
	6-2.4 6-3	0.6	6,000	9	0.1	5	±0.3	0.8×10-7	3
	6-3.2 6-4 6-5	0.7	6,000	10	0.1	5	±0.3	0.8×10-7	3
	6-6	0.8	6,000	10	0.1	5	±0.3	0.8×10-7	3
	8-4 8-5 8-6 8-8	1.0	6,000	16	0.2	5	±0.3	2.5×10-7	4