Helical slit couplings / body: aluminium, stainless steel / WKAK, WKAS, WKAS, WKXK, WKXS / ABP Antriebstechnik (Part Numbers - CAD Download)

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Multi-purpose use for backlash-free and angularly aligned transmission of rotary motions, high torsional stiffness, low restoring forces, vibration damping effect, optimum compensation of misalignments, no moving parts, produced from a single piece

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Product specification
Part Numbers
Catalog

Contents
- WKAK Ø12 / Ø14 / Ø16 / Ø19 / Ø25 / Ø30 Series
- WKAS Ø6,5 / Ø10 / Ø12 / Ø16 / Ø19 / Ø20 Series
- WKAS Ø25 / Ø30 Series
- WKXK Ø25 Series, WKXS Ø25 Series

WKAK Ø12 / Ø14 / Ø16 / Ø19 / Ø25 / Ø30 Series

Technical Information

Technical data		WKAK 1215	WKAK 1421	WKAK 1625	WKAK 1928	WKAK 2532	WKAK 3038
Max. speed	min^-1	8.000	6.000	6.000	6.000	6.000	6.000
Max. torque	Ncm	25	50	60	80	100	150
Max. offset off shafts
Radial	mm	± 0,15	± 0,2	± 0,2	± 0,25	± 0,35	± 0,35
Axial	mm	± 0,2	± 0,25	± 0,3	± 0,4	± 0,5	± 0,5
Angular	Grad	± 2	± 3	± 3,5	± 4	± 4	± 4
Torsion spring stiffness	Nm/rad	2,5	4,5	5,5	8	16	19
Radial spring stiffness	N/mm	55	22	30	36	45	60
Moment of inertia	gcm²	1	1,9	3,8	8,7	29	76
Max. clamping torque (M)	Ncm	30	50	50	120	150	150
Temperature range	°C	-30 to +150	-30 to +120	-30 to +150
Weight appr.	g	3,5	6,5	10	16	34	58
Material	Flange	Aluminium	Aluminium anodised

M = tightening torque of the clamping screw

Drawings and Bore Combinations

Part No. Example: WKAK 1215 02/04
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAK 1421 02/03
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAK 1625 05/06
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAK 1928 06/06
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAK 2532 06/08
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAK 3038 10/12
(Series ØW d1/d2)
SO = special bores at extra charge

WKAS Ø6,5 / Ø10 / Ø12 / Ø16 / Ø19 / Ø20 Series

Technical Information

Technical data		WKAS 6508	WKAS 1015	WKAS 1218	WKAS 1622	WKAS 1922	WKAS 2019
Max. speed	min^-1	8.000	8.000	8.000	8.000	8.000	8.000
Max. torque	Ncm	2	15	25	40	60	60
Max. offset off shafts
Radial	mm	± 0,1	± 0,15	± 0,15	± 0,2	± 0,25	± 0,25
Axial	mm	± 0,15	± 0,2	± 0,25	± 0,3	± 0,4	± 0,4
Angular	Grad	± 2	± 2	± 2,5	± 3	± 3,5	± 3,5
Torsion spring stiffness	Nm/rad	0,55	2,2	2,8	5	9	9
Radial spring stiffness	N/mm	24	22	28	34	40	40
Moment of inertia	gcm²	0,02	0,34	0,83	3,2	6,7	6
Max. clamping torque (M)	Ncm	8	15	35	80	80	80
Temperature range	°C	-30 to +150
Weight appr.	g	0,5	2,4	4	9,5	13	12
Material	Flange	Aluminium, anodised			Aluminium

M = tightening torque of the clamping screw
Helix area free turned from Ø 5 mm

Drawings and Bore Combinations

Part No. Example: WKAS 6508 1,5/02
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAS 1015 03/04
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAS 1218 04/05
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAS 1622 05/05
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAS 1922 06/06
(Series ØW d1/d2)
SO = special bores at extra charge

Part No. Example: WKAS 2019 06/06
(Series ØW d1/d2)
SO = special bores at extra charge

WKAS Ø25 / Ø30 Series

Technical Information

Technical data		WKAS 2524	WKAS 2532	WKAS 3030	WKAS 3038
Max. speed	min^-1	8.000	8.000	8.000	8.000
Max. torque	Ncm	100	100	150	150
Max. offset off shafts
Radial	mm	± 0,3	± 0,3	± 0,3	± 0,3
Axial	mm	± 0,5	± 0,5	± 0,5	± 0,5
Angular	Grad	± 4	± 4	± 4	± 4
Torsion spring stiffness	Nm/rad	20	18	21	21
Radial spring stiffness	N/mm	60	50	60	60
Moment of inertia	gcm²	22,2	30	57	76
Max. clamping torque (M)	Ncm	120	120	120	120
Temperature range	°C	-30 to +150
Weight appr.	g	26	35	45	60
Material	Flange	Aluminium anodised

M = tightening torque of the clamping screw
Helix area free-turned

Drawings and Bore Combinations

WKAS 2524
Part No. Example: WKAS 2524 10/10
(Series ØW d1/d2)
SO = special bores at extra charge

WKAS 2532
Part No. Example: WKAS 2532 10/10
(Series ØW d1/d2)
SO = special bores at extra charge

WKAS 3030
Part No. Example: WKAS 3030 10/12
(Series ØW d1/d2)
SO = special bores at extra charge

WKAS 3038
Part No. Example: WKAS 3038 10/14
(Series ØW d1/d2)
SO = special bores at extra charge

WKXK Ø25 Series, WKXS Ø25 Series

Technical Information

Technical data		WKXK 2532	WKXS 2524
Max. speed	min^-1	6.000	8.000
Max. torque	Ncm	200	200
Max. offset off shafts
Radial	mm	± 0,35	± 0,3
Axial	mm	± 0,5	± 0,5
Angular	Grad	± 4	± 4
Torsion spring stiffness	Nm/rad	29	40
Radial spring stiffness	N/mm	150	250
Moment of inertia	gcm²	84	64
Max. clamping torque (M)	Ncm	150	120
Temperature range	°C	-30 to +180
Weight appr.	g	88	65
Material		Stainless steel 1.4104

M = tightening torque of the clamping screw
Helix area free-turned

WKXK 2532
Part No. Example: WKXK 2532 06/08
(Series ØW d1/d2)

WKXS 2524
Part No. Example: WKXS 2524 06/08
(Series ØW d1/d2)
SO = special bores at extra charge

Data to be displayed: 30; 45; 60

Part Number
WKAK 1421 02/02
WKAK 1421 02/03
WKAK 1421 03/03
WKAK 1421 03/04
WKAK 1421 04/04
WKAK 1625 03/03
WKAK 1625 03/05
WKAK 1625 04/04
WKAK 1625 04/05
WKAK 1625 04/06
WKAK 1625 05/05
WKAK 1625 05/06
WKAK 1928 04/04
WKAK 1928 04/06
WKAK 1928 05/05
WKAK 1928 05/06
WKAK 1928 05/63
WKAK 1928 06/06
WKAK 1928 06/63
WKAK 1928 63/63
WKAK 2532 06/06
WKAK 2532 06/08
WKAK 2532 06/10
WKAK 2532 06/63
WKAK 2532 06/95
WKAK 2532 08/08
WKAK 2532 08/10
WKAK 2532 10/10
WKAK 2532 10/12
WKAK 2532 12/12
WKAK 3038 08/08
WKAK 3038 10/10
WKAK 3038 10/12
WKAK 3038 12/12
WKAK 3038 14/14
WKAS 1015 02/02
WKAS 1015 02/03
WKAS 1015 02/04
WKAS 1015 02/05
WKAS 1015 03/03
WKAS 1015 04/04
WKAS 1218 02/04
WKAS 1218 03/03
WKAS 1218 03/04
WKAS 1218 04/04
WKAS 1622 03/03
WKAS 1622 03/04
WKAS 1622 03/05
WKAS 1622 04/04
WKAS 1622 04/05
WKAS 1622 05/05
WKAS 1622 06/06
WKAS 1922 05/05
WKAS 1922 06/06
WKAS 1922 06/08
WKAS 1922 08/08
WKAS 2524 06/06
WKAS 2524 06/08
WKAS 2524 06/10
WKAS 2524 08/08

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Dia. A (mm)	Overall Length W (mm)	Feature	Body Material	Allowable Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Allowable Angular Misalignment (deg)	Operating Temperature Range (°C)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (g･cm²)
41.95 €	1	Available	3 Days	0.05 to 1.00	2	2	14	21	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±2.5	±10	-30～150	2.5	9.5
41.95 €	1	Available	3 Days	0.05 to 1.00	2	3	14	21	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±0.3	±2.5	-30～150	0.2	2.2
41.95 €	1	Available	3 Days	0.05 to 1.00	3	3	14	21	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±1.0	±5	-30～150	1	9.5
41.95 €	1	Available	3 Days	0.05 to 1.00	3	4	14	21	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±0.25	±4	-30～150	0.4	2.9
41.95 €	1	Available	3 Days	0.05 to 1.00	4	4	14	21	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±0.25	±4	-30～150	0.45	1.9
41.95 €	1	Available	3 Days	0.05 to 1.00	3	3	16	25	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±2.5	±10	-30～150	2.5	3.8
41.95 €	1	Available	3 Days	0.05 to 1.00	3	5	16	25	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±0.30	±4	-30～150	0.5	3.8
41.95 €	1	Available	3 Days	0.05 to 1.00	4	4	16	25	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±0.22	±1.3	-30～150	1	3.8
41.95 €	1	Available	3 Days	0.05 to 1.00	4	5	16	25	-	Aluminum	0.5	6000	0.21 to 0.40	-	-	-30～150	-	3.8
41.95 €	1	Available	3 Days	0.05 to 1.00	4	6	16	25	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±0.22	±1.3	-30～150	1	2.3
41.95 €	1	Available	3 Days	0.05 to 1.00	5	5	16	25	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±0.3	±2.5	-30～150	0.4	2.8
41.96 €	1	Available	3 Days	0.05 to 1.00	5	6	16	25	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	6000	0.21 to 0.40	±0.22	±1.3	-30～150	1	3.8
42.08 €	1	Available	3 Days	0.05 to 1.00	4	4	19	28	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.3	±2.5	-30～150	0.4	15.2
42.08 €	1	Available	3 Days	0.05 to 1.00	4	6	19	28	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.30	±4	-30～150	0.4	9.5
42.08 €	1	Available	3 Days	0.05 to 1.00	5	5	19	28	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.25	±2.5	-30～150	0.4	8.7
42.08 €	1	Available	3 Days	0.05 to 1.00	5	6	19	28	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.30	±4	-30～150	0.4	2.9
42.08 €	1	Available	3 Days	0.05 to 1.00	5	6.35	19	28	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.30	±4	-30～150	0.5	8.7
42.08 €	1	Available	3 Days	0.05 to 1.00	6	6	19	28	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.30	±5	-30～150	0.5	2.2
42.08 €	1	Available	3 Days	0.05 to 1.00	6	6.35	19	28	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.30	±5	-30～150	0.5	2.1
42.08 €	1	Available	3 Days	0.05 to 1.00	6.35	6.35	19	28	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.30	±4	-30～150	0.5	8.7
43.13 €	1	Available	Same day Stock	0.05 to 1.00	6	6	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.25	±2.5	-30～150	0.4	29
43.13 €	1	Available	3 Days	0.05 to 1.00	6	8	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.35	±4	-30～150	0.5	3.8
43.13 €	1	Available	3 Days	0.05 to 1.00	6	10	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.22	±1.3	-30～150	1	3.2
43.13 €	1	Available	3 Days	0.05 to 1.00	6	6.35	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.30	±4	-30～150	0.5	29
43.13 €	1	Available	3 Days	0.05 to 1.00	6	9.52	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.22	±1.3	-30～150	1	29
43.13 €	1	Available	3 Days	0.05 to 1.00	8	8	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.25	±4	-30～150	0.4	29
43.13 €	1	Available	3 Days	0.05 to 1.00	8	10	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.25	±4	-30～150	0.4	0.34
43.13 €	1	Available	5 Days	0.05 to 1.00	10	10	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.25	±2.5	-30～150	0.4	8.7
43.13 €	1	Available	3 Days	0.05 to 1.00	10	12	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.30	±4	-30～150	0.5	22.2
43.13 €	1	Available	3 Days	0.05 to 1.00	12	12	25	32	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.35	±4	-30～150	0.5	9.5
53.24 €	1	Available	3 Days	1.01 to 3.00	8	8	30	38	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.35	±4	-30～150	0.45	76
53.24 €	1	Available	3 Days	1.01 to 3.00	10	10	30	38	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.3	±2.5	-30～150	0.4	76
53.24 €	1	Available	3 Days	1.01 to 3.00	10	12	30	38	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.25	±4	-30～150	0.45	2.5
53.24 € 33.54 €	1	Available	Same day Stock	1.01 to 3.00	12	12	30	38	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.35	±4	-30～150	0.45	2.6
53.24 €	1	Available	3 Days	1.01 to 3.00	14	14	30	38	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.2	6000	0.21 to 0.40	±0.22	±1.3	-30～150	1	15.2
33.35 €	1	Available	4 Days	0.05 to 1.00	2	2	10	15	High Durability / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.15	8000	0.02 to 0.2	±0.15	±2	-30～150	±0.2	0.34
33.35 €	1	Available	4 Days	0.05 to 1.00	2	3	10	15	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.15	8000	0.02 to 0.2	±0.15	±2	-30～150	±0.2	0.34
33.35 €	1	Available	4 Days	0.05 to 1.00	2	4	10	15	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.15	8000	0.02 to 0.2	±0.15	±2.5	-30～150	±0.25	0.34
33.35 €	1	Available	4 Days	0.05 to 1.00	2	5	10	15	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.15	8000	0.02 to 0.2	±0.15	±2.5	-30～150	±0.25	0.34
33.35 €	1	Available	4 Days	0.05 to 1.00	3	3	10	15	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.15	8000	0.02 to 0.2	±0.15	±2.5	-30～150	±0.25	0.34
33.35 €	1	Available	4 Days	0.05 to 1.00	4	4	10	15	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.15	8000	0.02 to 0.2	±0.15	±2.5	-30～150	±0.25	0.34
33.71 €	1	Available	4 Days	0.05 to 1.00	2	4	12	18	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.25	8000	0.21 to 0.40	±0.3	±4	-30～150	±0.5	0.83
33.71 €	1	Available	4 Days	0.05 to 1.00	3	3	12	18	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.25	8000	0.21 to 0.40	±0.3	±4	-30～150	±0.5	0.83
33.71 €	1	Available	4 Days	0.05 to 1.00	3	4	12	18	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.25	8000	0.21 to 0.40	±0.3	±4	-30～150	±0.5	0.83
33.71 €	1	Available	4 Days	0.05 to 1.00	4	4	12	18	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.25	8000	0.21 to 0.40	±0.3	±4	-30～150	±0.5	0.83
35.02 €	1	Available	3 Days	0.05 to 1.00	3	3	16	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.22	±1.3	-30～150	1	2.6
35.02 €	1	Available	3 Days	0.05 to 1.00	3	4	16	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.22	±1.3	-30～150	1	3.2
35.02 €	1	Available	3 Days	0.05 to 1.00	3	5	16	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.3	±3	-30～150	0.3	8.7
35.02 €	1	Available	3 Days	0.05 to 1.00	4	4	16	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.50	±5	-30～150	0.5	3.2
35.02 €	1	Available	3 Days	0.05 to 1.00	4	5	16	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.25	±4	-30～150	0.4	2.9
35.02 €	1	Available	3 Days	0.05 to 1.00	5	5	16	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.35	±4	-30～150	0.45	2.6
35.02 €	1	Available	3 Days	0.05 to 1.00	6	6	16	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.22	±1.3	-30～150	1	3.2
34.83 €	1	Available	3 Days	0.05 to 1.00	5	5	19	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.2	±3.5	-30～150	0.3	6.7
34.83 €	1	Available	3 Days	0.05 to 1.00	6	6	19	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.3	±2.5	-30～150	0.4	13.5
34.83 €	1	Available	3 Days	0.05 to 1.00	6	8	19	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.35	±4	-30～150	0.5	15.2
34.83 €	1	Available	3 Days	0.05 to 1.00	8	8	19	22	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	0.8	8000	0.02 to 0.2	±0.25	±4	-30～150	0.4	2.5
36.19 €	1	Available	3 Days	0.05 to 1.00	6	6	25	24	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	1.2	8000	0.21 to 0.40	±0.3	±2.5	-30～150	0.2	29.8
36.19 €	1	Available	3 Days	0.05 to 1.00	6	8	25	24	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	1.2	8000	0.21 to 0.40	±0.50	±5	-30～150	0.5	2.5
36.19 €	1	Available	3 Days	0.05 to 1.00	6	10	25	24	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	1.2	8000	0.21 to 0.40	±0.2	±3	-30～150	0.3	22.2
36.19 €	1	Available	3 Days	0.05 to 1.00	8	8	25	24	High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment / Vacuum Environment	Aluminum	1.2	8000	0.21 to 0.40	±0.3	±2.5	-30～150	0.4	9.5

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Basic information

Type	With Slit	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Standard / Servo Motor / Stepping Motor / Encoder
Max. Rotational Speed Range(r/min)	4,001 to 10,000

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Basic Attributes

Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00
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Shaft Bore Dia. (machined) D1(mm)
2

3

4

5

6

6.35

8

10

12

14
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Shaft Bore Dia. (machined) D2(mm)
2

3

4

5

6

6.35

8

9.52

10

12

14
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Outer Dia. A(mm)
10

12

14

16

19

25

30
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Overall Length W(mm)
15

18

21

22

24

25

28

30

32

38
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Feature
High Accuracy

High Durability

No Backlash

Low Moment of Inertia

Vibration Insulation

Small

Heat Resistant

Clean Environment

Vacuum Environment
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Allowable Torque(Nm)
0.15

0.25

0.5

0.8

1.2

1.5
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Max. Rotational Speed(r/min)
6000

8000
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Allowable Lateral Misalignment Range(mm)
0.02 to 0.2

0.21 to 0.40
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Allowable Lateral Misalignment(mm)
±0.15

±0.2

±0.22

±0.25

±0.3

±0.30

±0.35

±0.50

±1.0

±2.5
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Allowable Angular Misalignment(deg)
±1.3

±2

±2.5

±3

±3.5

±4

±5

±10
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Moment of Inertia(g･cm²)
0.34

0.83

1.9

2.1

2.2

2.3

2.5

2.6

2.8

2.9

3.2

3.8

6.7

8.7

9.5

13.5

15.2

22.2

29

29.8

30

57

64

76

84
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Type
- WKAK 1421
- WKAK 1625
- WKAK 1928
- WKAK 2532
- WKAK 3038
- WKAS 1015
- WKAS 1218
- WKAS 1622
- WKAS 1922
- WKAS 2524
- WKAS 2532
- WKAS 3030
- WKAS 3038
- WKXK 2532
- WKXS 2524
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Body Material
Stainless Steel

Aluminum
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- 3D
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