Slit couplings / hub clamping / cross slot / body: aluminium, stainless steel

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Back to the Category Shaft Couplings

Technical Drawing - Claw Couplings

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Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Claw Couplings

Type	Material	Surface Treatment	Accessory
CPLCN, CPSCN	Aluminum Alloy	Clear Anodize	Hex Socket Head Cap Screw
CPLSC, CPSSC	Stainless Steel	-	Hex Socket Head Cap Screw

Further specifications can be found under the tab More information.

Composition of a Product Code - Claw Couplings

Part Number	-	Shaft Bore Dia. d₁	-	Shaft Bore Dia. d₂
CPLCN16	-	5	-	6

Alterations - Claw Couplings

General Information - Claw Couplings

Shaft coupling - compensation coupling - Oldham coupling - slit coupling - chain coupling - disc coupling - bellow coupling - product assortment

Shaft Coupling Selection Details

- Material: aluminum, aluminum alloy, steel, stainless steel, plastic

- Coupling buffer material: polyacetal, polyurethane, nylon, aluminum bronze, carbon fibre reinforced polymer (CFRP)

- Disc material: stainless steel, polyimide, carbon fibre (carbon)

- Fastening: hub clamping, half shell clamping, threaded pin clamping, clamping sleeve, keyway

- Design: slit coupling, disc coupling (servo coupling), Oldham coupling, dog coupling, jaw coupling, bellow coupling, metal bellow coupling, elastomer coupling

- ISO tolerances: H8

- Shaft diameter: 1 to 45 mm

- Outer diameter: 6 to 95 mm

- Length: 8.4 to 100 mm

- Offset: angle offset, radial offset, axial offset

Design Overview

Description/Basics

A shaft coupling, also called a compensating coupling, is generally used for the transmission of torque for mechanical engineering. Flexible shaft couplings (non-rigid) can compensate for lateral, axial and angular offsets (misalignment). Therefore, these are common connecting elements between motors and axles/shafts or even ball screws.

There are various types of designs, such as the jaw couplings, disc couplings (servo couplings), slit couplings, bellow couplings, Oldham couplings and many others, which are selected depending on the type of misalignment. You can determine which design is the right one for transmission in your application with the Coupling Selection Method available as a PDF.

When the shaft coupling is professionally installed, the transmission of rotational forces should be slip-free. To do this, the appropriate shaft coupling must be selected depending on the application. Here, it is important to observe the degree of misalignment, the maximum speed of rotation and the permissible torque of the compensation coupling and not to exceed these values during operation. If several misalignments occur at the same time, it is recommended to reduce the maximum value of the specified misalignment by approximately half.

The most commonly used elastomer coupling is the jaw coupling, which consists of a plastic buffer with damping properties. As a result, shocks and vibrations in a drive system can be damped, which protects adjacent components in the transmission of force. Our product range offers you alternative materials for the elastomers. These include among others aluminum bronze and carbon fibre-reinforced plastic.

The different shaft connections on the compensation couplings allow various connection variants for assembly. For this purpose, hub clamping, half shell clamping, slot clamping, threaded pin clamping, chip sleeve and keyways are available.
If a keyway is selected for a MISUMI shaft coupling, it is recommended obtaining the MISUMI machine key, as it is best to combine these.

A shaft coupling can be used for precise positioning. These are often combined together with slide screws or ball screws. A disc clutch (servo coupling) is suitable for this application, since it has a high torsional rigidity.

In addition to the standardized diameter of the shaft bore, MISUMI offers the option LDC and RDC, which allows the drill diameter to be adjusted to the shaft end in 0.1 mm increments.

Application Examples - Claw Couplings

Application example: shaft coupling - disc coupling with servo motor - disc coupling with ball screw drive - shaft clutch with servo motor - shaft clutch with ball screw drive

Shaft coupling with servo motor and ball screw
(1) Servo motor, (2) disc coupling (servo coupling), (3) ball screw

Application example: shaft coupling with encoder - shaft coupling with bearing housing - slit coupling with encoder - slit coupling with bearing housing -

Slit coupling with encoder
(1) Bearing with housing, (2) shaft coupling, (3) motor, (4) axles/shafts

Application example - Performance test stand with shaft coupling - Oldham coupling with engine - test stand with Oldham coupling

Engine test stand with Oldham coupling
(1) X-axis positioning stage, (2) performance test station, (3) shaft coupling, (4) brackets, L-shaped

Application example: synchronous pulley with shaft coupling - shaft coupling with motor and gearbox

Shaft coupling with motor and gearbox
(1) Motor, (2) Shaft coupling, (3) Conversion/Reducing gears, (4) Timing pulleys / Idlers

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

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Part Number
CPLCN12-[4,5]-[4,5]
CPLCN12-[4,5]-RDC[4-5/0.5]
CPLCN12-LDC[4-5/0.5]-[4,5]
CPLCN12-LDC[4-5/0.5]-RDC[4-5/0.5]
CPLCN16-[5,6]-[5,6]
CPLCN16-[5,6]-RDC[5-6/0.5]
CPLCN16-LDC[5-6/0.5]-[5,6]
CPLCN16-LDC[5-6/0.5]-RDC[5-6/0.5]
CPLCN20-[5,6,6.35,8]-[6,6.35,7,8]
CPLCN20-[5,6,6.35,8]-RDC6.35
CPLCN20-[5,6,6.35,8]-RDC[5-8/0.5]
CPLCN20-LDC6.35-[6,6.35,7,8]
CPLCN20-LDC6.35-RDC6.35
CPLCN20-LDC6.35-RDC[5-8/0.5]
CPLCN20-LDC[5-8/0.5]-[6,6.35,7,8]
CPLCN20-LDC[5-8/0.5]-RDC6.35
CPLCN20-LDC[5-8/0.5]-RDC[5-8/0.5]
CPLCN25-[5,6,6.35,8,9.525,10]-[6,6.35,8,9.525,10]
CPLCN25-[5,6,6.35,8,9.525,10]-RDC[5-10/0.5]
CPLCN25-[5,6,6.35,8,9.525,10]-RDC[6.35,9.525]
CPLCN25-LDC[5-10/0.5]-[6,6.35,8,9.525,10]
CPLCN25-LDC[5-10/0.5]-RDC[5-10/0.5]
CPLCN25-LDC[5-10/0.5]-RDC[6.35,9.525]
CPLCN25-LDC[6.35,9.525]-[6,6.35,8,9.525,10]
CPLCN25-LDC[6.35,9.525]-RDC[5-10/0.5]
CPLCN25-LDC[6.35,9.525]-RDC[6.35,9.525]
CPLCN32-[8,9.525,10,12]-[8,9.525,10,11,12,14]
CPLCN32-[8,9.525,10,12]-RDC[6.35,9.525,12.7]
CPLCN32-[8,9.525,10,12]-RDC[8-14/0.5]
CPLCN32-LDC[6.35,9.525,12.7]-[8,9.525,10,11,12,14]
CPLCN32-LDC[6.35,9.525,12.7]-RDC[6.35,9.525,12.7]
CPLCN32-LDC[6.35,9.525,12.7]-RDC[8-14/0.5]
CPLCN32-LDC[8-14/0.5]-[8,9.525,10,11,12,14]
CPLCN32-LDC[8-14/0.5]-RDC[6.35,9.525,12.7]
CPLCN32-LDC[8-14/0.5]-RDC[8-14/0.5]
CPLCN40-[8,10,12,14,15,16]-[8,10,12,14,15,16]
CPLSC12-[4,5]-[4,5]
CPLSC12-[4,5]-RDC[4-5/0.5]
CPLSC12-LDC[4-5/0.5]-[4,5]
CPLSC12-LDC[4-5/0.5]-RDC[4-5/0.5]
CPLSC16-[5,6]-[5,6]
CPLSC16-[5,6]-RDC[5-6/0.5]
CPLSC16-LDC[5-6/0.5]-[5,6]
CPLSC16-LDC[5-6/0.5]-RDC[5-6/0.5]
CPLSC20-[5,6,6.35,8]-[6,6.35,7,8]
CPLSC20-[5,6,6.35,8]-RDC6.35
CPLSC20-[5,6,6.35,8]-RDC[5-8/0.5]
CPLSC20-LDC6.35-[6,6.35,7,8]
CPLSC20-LDC6.35-RDC6.35
CPLSC20-LDC6.35-RDC[5-8/0.5]
CPLSC20-LDC[5-8/0.5]-[6,6.35,7,8]
CPLSC20-LDC[5-8/0.5]-RDC6.35
CPLSC20-LDC[5-8/0.5]-RDC[5-8/0.5]
CPLSC25-[5,6,6.35,8,9.525,10]-[6,6.35,8,9.525,10]
CPLSC25-[5,6,6.35,8,9.525,10]-RDC[5-10/0.5]
CPLSC25-[5,6,6.35,8,9.525,10]-RDC[6.35,9.525]
CPLSC25-LDC[5-10/0.5]-[6,6.35,8,9.525,10]
CPLSC25-LDC[5-10/0.5]-RDC[5-10/0.5]
CPLSC25-LDC[5-10/0.5]-RDC[6.35,9.525]
CPLSC25-LDC[6.35,9.525]-[6,6.35,8,9.525,10]

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Misalignment	Allowable Torque Range (N•m)	Shaft Bore Dia. 1 d1 (or d) (mm)	Shaft Bore Dia. 2 d2 (or d) (mm)	O.D. D (mm)	Overall Length (mm)	Body Material	Allowable Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Allowable Angular Misalignment (deg)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg･m²)	Normal/Short	Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 0.1mm Increment	Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 0.1mm Increment
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	4 ～ 5	4 ～ 5	12	18.5	[Aluminum] Aluminum	0.4	52000	0.02 to 0.2	0.1	2	+0.3/-0.3	7.8x10^-8	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	4 ～ 5	-	12	18.5	[Aluminum] Aluminum	0.4	52000	0.02 to 0.2	0.1	2	+0.3/-0.3	7.8x10^-8	Standard	-	4 ～ 5
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	4 ～ 5	12	18.5	[Aluminum] Aluminum	0.4	52000	0.02 to 0.2	0.1	2	+0.3/-0.3	7.8x10^-8	Standard	4 ～ 5	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	12	18.5	[Aluminum] Aluminum	0.4	52000	0.02 to 0.2	0.1	2	+0.3/-0.3	7.8x10^-8	Standard	4 ～ 5	4 ～ 5
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 6	5 ～ 6	16	23	[Aluminum] Aluminum	0.5	39000	0.02 to 0.2	0.1	2	+0.4/-0.4	3.4x10^-7	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 6	-	16	23	[Aluminum] Aluminum	0.5	39000	0.02 to 0.2	0.1	2	+0.4/-0.4	3.4x10^-7	Standard	-	5 ～ 6
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	5 ～ 6	16	23	[Aluminum] Aluminum	0.5	39000	0.02 to 0.2	0.1	2	+0.4/-0.4	3.4x10^-7	Standard	5 ～ 6	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	16	23	[Aluminum] Aluminum	0.5	39000	0.02 to 0.2	0.1	2	+0.4/-0.4	3.4x10^-7	Standard	5 ～ 6	5 ～ 6
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 8	6 ～ 8	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 8	-	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	-	6.35
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 8	-	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	-	5 ～ 8
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	6 ～ 8	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	-	6.35
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	-	5 ～ 8
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	6 ～ 8	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	5 ～ 8	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	5 ～ 8	6.35
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	20	26	[Aluminum] Aluminum	1	31000	0.02 to 0.2	0.1	2	+0.4/-0.4	9.1 x 10^-7	Standard	5 ～ 8	5 ～ 8
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	5 ～ 10	6 ～ 10	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	5 ～ 10	-	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	-	5 ～ 10
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	5 ～ 10	-	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	-	6.35 ～ 9.525
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	6 ～ 10	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	5 ～ 10	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	-	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	5 ～ 10	5 ～ 10
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	-	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	5 ～ 10	6.35 ～ 9.525
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	6 ～ 10	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	-	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	-	5 ～ 10
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	-	25	31	[Aluminum] Aluminum	2	25000	0.02 to 0.2	0.15	2	+0.5/-0.5	2.6x10^-6	Standard	-	6.35 ～ 9.525
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	8 ～ 12	8 ～ 14	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	8 ～ 12	-	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	-	6.35 ～ 12.7
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	8 ～ 12	-	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	-	8 ～ 14
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	-	8 ～ 14	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	-	-	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	-	6.35 ～ 12.7
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	-	-	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	-	8 ～ 14
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	-	8 ～ 14	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	8 ～ 14	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	-	-	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	8 ～ 14	6.35 ～ 12.7
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	3.01 to 5.00	-	-	32	41	[Aluminum] Aluminum	4	19000	0.02 to 0.2	0.15	2	+0.5/-0.5	9.7x10^-6	Standard	8 ～ 14	8 ～ 14
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	5.01 to 10.00	8 ～ 16	8 ～ 16	40	56	[Aluminum] Aluminum	8	15000	0.02 to 0.2	0.2	2	+0.5/-0.5	3.3x10^-5	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	4 ～ 5	4 ～ 5	12	18.5	[Stainless Steel] Stainless Steel	0.3	52000	0.02 to 0.2	0.1	2	+0.2/-0.2	2.2x10^-7	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	4 ～ 5	-	12	18.5	[Stainless Steel] Stainless Steel	0.3	52000	0.02 to 0.2	0.1	2	+0.2/-0.2	2.2x10^-7	Standard	-	4 ～ 5
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	4 ～ 5	12	18.5	[Stainless Steel] Stainless Steel	0.3	52000	0.02 to 0.2	0.1	2	+0.2/-0.2	2.2x10^-7	Standard	4 ～ 5	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	12	18.5	[Stainless Steel] Stainless Steel	0.3	52000	0.02 to 0.2	0.1	2	+0.2/-0.2	2.2x10^-7	Standard	4 ～ 5	4 ～ 5
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 6	5 ～ 6	16	23	[Stainless Steel] Stainless Steel	0.5	39000	0.02 to 0.2	0.1	2	+0.3/-0.3	9.0 x 10^-7	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 6	-	16	23	[Stainless Steel] Stainless Steel	0.5	39000	0.02 to 0.2	0.1	2	+0.3/-0.3	9.0 x 10^-7	Standard	-	5 ～ 6
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	5 ～ 6	16	23	[Stainless Steel] Stainless Steel	0.5	39000	0.02 to 0.2	0.1	2	+0.3/-0.3	9.0 x 10^-7	Standard	5 ～ 6	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	16	23	[Stainless Steel] Stainless Steel	0.5	39000	0.02 to 0.2	0.1	2	+0.3/-0.3	9.0 x 10^-7	Standard	5 ～ 6	5 ～ 6
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 8	6 ～ 8	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 8	-	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	-	6.35
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	5 ～ 8	-	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	-	5 ～ 8
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	6 ～ 8	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	-	6.35
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	-	5 ～ 8
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	6 ～ 8	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	5 ～ 8	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	5 ～ 8	6.35
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	0.05 to 1.00	-	-	20	26	[Stainless Steel] Stainless Steel	1	31000	0.02 to 0.2	0.1	2	+0.3/-0.3	2.5x10^-6	Standard	5 ～ 8	5 ～ 8
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	5 ～ 10	6 ～ 10	25	31	[Stainless Steel] Stainless Steel	2	25000	0.02 to 0.2	0.15	2	+0.4/-0.4	7.1x10^-6	Standard	-	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	5 ～ 10	-	25	31	[Stainless Steel] Stainless Steel	2	25000	0.02 to 0.2	0.15	2	+0.4/-0.4	7.1x10^-6	Standard	-	5 ～ 10
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	5 ～ 10	-	25	31	[Stainless Steel] Stainless Steel	2	25000	0.02 to 0.2	0.15	2	+0.4/-0.4	7.1x10^-6	Standard	-	6.35 ～ 9.525
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	6 ～ 10	25	31	[Stainless Steel] Stainless Steel	2	25000	0.02 to 0.2	0.15	2	+0.4/-0.4	7.1x10^-6	Standard	5 ～ 10	-
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	-	25	31	[Stainless Steel] Stainless Steel	2	25000	0.02 to 0.2	0.15	2	+0.4/-0.4	7.1x10^-6	Standard	5 ～ 10	5 ～ 10
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	-	25	31	[Stainless Steel] Stainless Steel	2	25000	0.02 to 0.2	0.15	2	+0.4/-0.4	7.1x10^-6	Standard	5 ～ 10	6.35 ～ 9.525
-	1	7 Days	10	Angular Misalignment / Eccentricity / Axial Misalignment	1.01 to 3.00	-	6 ～ 10	25	31	[Stainless Steel] Stainless Steel	2	25000	0.02 to 0.2	0.15	2	+0.4/-0.4	7.1x10^-6	Standard	-	-

Back to the Category Shaft Couplings

Technical Drawing - Claw Couplings

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Specification Tables - Claw Couplings

Part Number		d₁	d₂													L		ℓ		M (Coarse)	A	F		Slip Torque (N • m)		Unit Price
Type	D	d₁	d₂													CPLCN CPLSC	CPSCN CPSSC	CPLCN CPLSC	CPSCN CPSSC	M (Coarse)	A	CPLCN CPLSC	CPSCN CPSSC	CPLSC	CPSSC	CPLCN	CPLSC	CPSCN	CPSSC
CPLCN (Aluminum) CPLSC (Stainless Steel) CPSCN (Aluminum) CPSSC (Stainless Steel)	12	*4	*4	*5												18.5	14	5	5.2	M2	4	2.5	2.6	-	-
	12	*5		*5												18.5	14	5	5.2	M2	4	2.5	2.6	-	-
	16	*5		*5	*6											23	18	6.5	6.8	M2.5	5	3.25	3.4	-	-
	16	*6			*6											23	18	6.5	6.8		5	3.25	3.4	-	-
	20	*5			*6	6.35		*8								26	20	7.5	7.65		6.5	3.75	3.8	-	0.9
		*6			*6	6.35	7	*8																	-
		6.35						8
		*8						*8
	25	*5			*6											31	25	8.5	9.6	M3	9	4.25	4.8	0.7	1.2
		*6			*6	6.35		*8		*10														0.7	1.4
		6.35						8		10														0.9	-
		*8						*8	9.525	*10														1.7	1.9
		9.525								10														-	-
		*10								*10														-	-
	32	*8						*8	9.525	*10		12				41	32	12	12.6	M4	11	6	6.3	1.2	1.9
		9.525								10		12												2.1	2.4
		*10								*10	11	*12	14											2.7	3.4
		*12										*12	*14											2.9	-
	40	8						8		10						56	-	17	-	M5	14	8.5	-	-	-			-	-
		10								10
		12										12	14
		14											14		16
		15												15
		16													16

CPSCN and CPSSC are available in * marked sizes only. When slip torque is less than the allowable torque, use within slip torque.

Part Number		Allowable Torque (N • m)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Static Torsional Spring Constant (N • m/rad)	Lateral Misalignment (mm)	Angular Misalignment (°)	Allowable Axial Misalignment (mm)	Screw Tightening Torque (N • m)	Mass (g)
Type	D	Allowable Torque (N • m)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Static Torsional Spring Constant (N • m/rad)	Lateral Misalignment (mm)	Angular Misalignment (°)	Allowable Axial Misalignment (mm)	Screw Tightening Torque (N • m)	Mass (g)
CPLCN (Aluminum)	12	0.4	52000	7.8x10^-8	45	0.10	2	±0.3	0.5	3.6
	16	0.5	39000	3.4x10^-7	80			±0.4	1	9.2
	20	1	31000	9.1x10^-7	170			±0.4	1	16
	25	2	25000	2.6x10^-6	380	0.15		±0.5	1.5	28
	32	4	19000	9.7x10^-6	500	0.15			2.5	64
	40	8	15000	3.3x10^-5	700	0.20			4	140

Part Number		Allowable Torque (N • m)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Static Torsional Spring Constant (N • m/rad)	Angular Misalignment (°)	Allowable Axial Misalignment (mm)	Screw Tightening Torque (N • m)	Mass (g)
Type	D	Allowable Torque (N • m)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Static Torsional Spring Constant (N • m/rad)	Angular Misalignment (°)	Allowable Axial Misalignment (mm)	Screw Tightening Torque (N • m)	Mass (g)
CPSCN (Aluminum)	12	0.4	52000	6.4x10^-8	80	1	±0.1	0.5	3
	16	0.5	39000	2.9x10^-7	180		±0.2	1	8
	20	1	31000	7.5x10^-7	200			1	13
	25	2	25000	2.3x10^-6	780			1.5	25
	32	4	19000	8.1x10^-6	1100			2.5	53

CPSCN does not allow eccentricity.

Part Number		Allowable Torque (N • m)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Static Torsional Spring Constant (N • m/rad)	Lateral Misalignment (mm)	Angular Misalignment (°)	Allowable Axial Misalignment (mm)	Screw Tightening Torque (N • m)	Mass (g)
Type	D	Allowable Torque (N • m)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Static Torsional Spring Constant (N • m/rad)	Lateral Misalignment (mm)	Angular Misalignment (°)	Allowable Axial Misalignment (mm)	Screw Tightening Torque (N • m)	Mass (g)
CPLSC (Stainless Steel)	12	0.3	52000	2.2x10^-7	64	0.10	2	±0.2	0.5	10
	16	0.5	39000	9.0x10^-7	85			±0.3	1	25
	20	1	31000	2.5x10^-6	250			±0.3	1	43
	25	2	25000	7.1x10^-6	330	0.15		±0.4	1.5	78
	32	3.5	19000	2.7x10^-5	850	0.15		±0.5	2.5	170
	40	8	15000	9.0x10^-5	1000	0.20		±0.5	4	370

Part Number		Allowable Torque (N • m)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Static Torsional Spring Constant (N • m/rad)	Angular Misalignment (°)	Allowable Axial Misalignment (mm)	Screw Tightening Torque (N • m)	Mass (g)
Type	D	Allowable Torque (N • m)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Static Torsional Spring Constant (N • m/rad)	Angular Misalignment (°)	Allowable Axial Misalignment (mm)	Screw Tightening Torque (N • m)	Mass (g)
CPSSC (Stainless Steel)	12	0.3	52000	1.8x10^-7	140	1	±0.1	0.5	8.5
	16	0.5	39000	7.8x10^-7	240			1	21
	20	1	31000	2.1x10^-6	330			1	38
	25	2	25000	6.3x10^-6	720		±0.2	1.5	69
	32	3.5	19000	2.2x10^-5	1300		±0.2	2.5	150

CPSSC does not allow eccentricity.

Alterations - Claw Couplings

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Basic information

Series Name	With Slit	Application	Standard	Max. Rotational Speed Range(r/min)	10,001 to 78,000
Features	Zero Backlash / Low Moment of Inertia	Category	Coupling Main Body

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Basic Attributes

Allowable Misalignment
- Angular Misalignment
- Eccentricity
- Axial Misalignment
Clear
Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

3.01 to 5.00

5.01 to 10.00
Clear
Shaft Bore Dia. 1 d1 (or d)(mm)
4

5

6

6.35

8

9.525

10

12

14

15

16
Clear
Shaft Bore Dia. 2 d2 (or d)(mm)
4

5

6

6.35

7

8

9.525

10

11

12

14

15

16
Clear
O.D. D(mm)
12

16

20

25

32

40
Clear
Overall Length(mm)
14

18

18.5

20

23

25

26

31

32

41

56
Clear
Body Material
- Stainless Steel
  - Stainless Steel
- Aluminum
  - Aluminum
Clear
Allowable Torque(Nm)
0.3

0.4

0.5

1

2

3.5

4

8
Clear
Max. Rotational Speed(r/min)
15000

19000

25000

31000

39000

52000
Clear
Allowable Lateral Misalignment Range(mm)
0.02 to 0.2
Clear
Allowable Lateral Misalignment(mm)
0.1

0.15

0.2
Clear
Allowable Angular Misalignment(deg)
1

2
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Normal/Short
- Short
- Standard
Clear
Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 0.1mm Increment
[4-14/0.5]
Clear
Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 0.1mm Increment
6.35

9.525

12.7
[4-14/0.5]
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Type
- CPLCN
- CPLSC
- CPSCN
- CPSSC
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Filter by CAD data type
- 2D
- 3D
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7 Days or Less
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently Asked Questions (FAQ)

Question:
Can a claw coupling compensate for an angle?: Answer:
As a rule, a claw coupling can compensate for an angular offset. How large this angle may be depends on the respective claw coupling. Here, it is recommended to always refer to the technical information in the data sheet. If there are other misalignments, there is a possibility that the amount of the compensation will be reduced depending on the coupling type. There are notes on this for the shaft couplings.
Question:
Which coupling is suitable for a servo motor?: Answer:
A disc coupling can be used with a servo motor application. These have a good torsion rigidity, which is necessary for applications with alternating direction of rotation. These couplings are often used in positioning applications. Here, it is recommended to assume the peak torque of the servo motor and to use the compensation factor found on the product page as safety. The permissible torque of the shaft coupling should be higher than the determined value.
Question:
What temperature can an elastomeric clutch withstand?: Answer:
The temperatures that a claw coupling or Oldham coupling with elastomer buffer can withstand depend on the material used. The permissible temperature is noted for the respective product. However, when designing the shaft coupling, the temperature correction factor should be taken into account in the calculation. You can find it in the shaft coupling selection procedure as a PDF.
Question:
Which coupling compensates for a high angular offset?: Answer:
A metal bellow coupling can be a possible variant in the case of a high angle offset. This variant of a shaft coupling can compensate an angular offset of up to approx. 2°. This is made possible by the flexible bellow coupling.