High Accuracy Disc Coupling - Ultra High Torque, Clamping Type (CPKN22.2-3-8)

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MISUMI

Product Details:

Manufacturer part number: CPKN22.2-3-8

Brand: MISUMI

Price: 29.03 €

Delivery time: 8 Days

Technical Data:

Series Name: Disc Type

Allowable Misalignment: Not Provided / Angular Misalignment / Eccentricity / Axial Misalignment

Application: Standard / For Servo Motors / Stepping Motor / Encoder

Allowable Torque Range: 1.01 to 3.00 N•m

Shaft Bore Dia. 1 d1 (or d): 3 mm

Part Number

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CPKN22.2-3-8

Drawing / Specifications
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Part Numbers

Dimensional Drawing

Double Disc Type
CPKW (Standard Bore)		CPKWLK (Keywayed Bore d₁) CPKWK (Keywayed Bore d₁, d₂)
		CPKWRK (Keywayed Bore d₂)
D = 16 to 39 D = 42 to 47 D = 54 to 64

Single Disc Type
CPKN (Standard Bore)		CPKNLK (Keywayed Bore d₁) CPKNWK (Keywayed Bore d₁, d₂)
		CPKNRK (Keywayed Bore d₂)

[ ! ] Recommended Fit Tolerance of Applicable Shaft Diameter: h7.

Product Specifications

Disc	Standard Bore	Keywayed Bore			Material			Surface Treatment
Type		d₁ (One Side)	d₂ (One Side)	d₁, d₂ (Both Sides)	Main Body	Disc	Hex Socket Head Cap Screw	Main Body	Hex Socket Head Cap Screw
Double	CPKW	CPKWLK	CPKWRK	CPKWK	Aluminum Alloy	Stainless steel	EN 1.7220 Equiv.	Anodized	Black oxide
Single	CPKN	CPKNLK	CPKNRK	CPKNWK

Specification Table

Part Number	—	Shaft Bore Dia. d₁	—	Shaft Bore Dia. d₂
CPKW22.2	—	5	—	6
CPKWLK22.2	—	5	—	6

Double Disc Type

Part Number		d₁, d₂ Selection (However, d₁ ≤ d₂)																													d₃	L	ℓ	F	A	Clamp Screw
Type	D	d₁, d₂ Selection (However, d₁ ≤ d₂)																													d₃	L	ℓ	F	A	M	Tightening Torque (N⋅m)
Double Disc Type CPKW CPKWLK CPKWRK CPKWK	16	3	4	4.5	5																										6.3	21.2	7.8	2.5	5	M2	0.5
	19	3	4	4.5	5	6																									8.5	23.3	8.7	2.9	6	M2.6	1
	22.2	3	4	4.5	5	6	6.35	7	8	9	9.525																				9	25	8.7	2.8	7	M2.6	1
	26.6		4	4.5	5	6	6.35	7	8	9	9.525	10																			12.2	32.5	10.6	3.4	8.8	M3	1.7
	31.8				5	6	6.35	7	8	9	9.525	10	11	12	12.7	14	15														14.4	33.5	11.6	3.7	11.4	M3	1.7
	35				5	6	6.35	7	8	9	9.525	10	11	12	12.7	14	15	15.875	16												16.2	34.6	12.7	4.4	12.3	M4	3.5
	39				5	6	6.35	7	8	9	9.525	10	11	12	12.7	14	15	15.875	16												17	39.5	13.7	4.3	13.8
	42.5					6	6.35	7	8	9	9.525	10	11	12	12.7	14	15	15.875	16	17	18	19									18	46.2	13.7	4.3	15.5
	47								8	9	9.525	10	11	12	12.7	14	15	15.875	16	17	18	19	20								20.4	50	16	5.2	17
	54											10	11	12	12.7	14	15	15.875	16	17	18	19	20	22	24	25					25	52.6	19	6.3	20.5	M5	8
	64													12	12.7	14	15	15.875	16	17	18	19	20	22	24	25	26	28	30	32	25.8	74.4	26	7.5	22.9	M6	13

* For keywayed bore type, 6φ or less cannot be specified for both d₁ and d₂.

Single Disc Type

Part Number		d₁, d₂ Selection (However, d₁ ≤ d₂)																					L	ℓ	F	A	Clamp Screw
Type	D	d₁, d₂ Selection (However, d₁ ≤ d₂)																					L	ℓ	F	A	M	Tightening Torque (N⋅m)
Single Disc Type CPKN CPKNLK CPKNRK CPKNWK	16	3	4	4.5	5																		17.4	7.8	2.5	5	M2	0.5
	19	3	4	4.5	5	6																	19.3	8.7	2.9	6	M2.6	1
	22.2	3	4	4.5	5	6	6.35	7	8	9	9.525												19.7	8.7	2.8	7	M2.6	1
	26.6		4	4.5	5	6	6.35	7	8	9	9.525	10											24.1	10.6	3.4	8.8	M3	1.7
	31.8				5	6	6.35	7	8	9	9.525	10	11	12	12.7	14	15						26.4	11.6	3.7	11.4	M3	1.7
	35				5	6	6.35	7	8	9	9.525	10	11	12	12.7	14	15	15.875	16				28	12.7	4.4	12.3	M4	3.5
	39				5	6	6.35	7	8	9	9.525	10	11	12	12.7	14	15	15.875	16				31.3	13.7	4.3	13.8
	42.5					6	6.35	7	8	9	9.525	10	11	12	12.7	14	15	15.875	16	17	18	19	31.4	13.7	4.3	15.5

* For keywayed bore type, 6φ or less cannot be specified for both d₁ and d₂.

[ ! ] Recommended Tolerance of Shaft Diameter: h7.

Keyway Dimension

Rod End Bearings - Standard Type / L Short Type: Related Image

Shaft bore diameter d₁, d₂	Dimensions				Key Nominal Dim. (b x h)
	b		t
	Reference Dim.	Tolerance	Reference Dim.	Tolerance
⌀6 to ⌀7	2	±0.0125	1.0	+0.10	2 × 2
⌀8 to ⌀10	3	±0.0125	1.4		3 × 3
⌀11 to ⌀12	4	±0.015	1.8		4 × 4
⌀13 to ⌀17	5		2.3		5 × 5
⌀18 to ⌀22	6		2.8		6 × 6
⌀23 to ⌀30	8	±0.018	3.3		8 × 7
⌀31 to ⌀32	10	±0.018	3.3	+0.20	10 × 8

Product Specifications

Double Disc Type

Part Number		Allowable Torque (N⋅m)	Allowable Angular Misalignment (°)	Allowable Lateral Misalignment (mm)	Torsional Spring Constant (N·m/rad)	Max. Rotational Speed (r/min)	Moment of Inertia (kg⋅m²)	Allowable Axial Misalignment (mm)	Mass (g)
Type	D	Allowable Torque (N⋅m)	Allowable Angular Misalignment (°)	Allowable Lateral Misalignment (mm)	Torsional Spring Constant (N·m/rad)	Max. Rotational Speed (r/min)	Moment of Inertia (kg⋅m²)	Allowable Axial Misalignment (mm)	Mass (g)
CPKW CPKWLK CPKWRK CPKWK	16	0.5	1.0	0.05	200	14000	3.3 × 10^－7	±0.2	9
	19	1.8	1.0	0.05	300	14000	7.4 × 10^－7		14
	22.2	2.2	1.5	0.12	400	10000	1.3 × 10^－6		18
	26.6	3		0.15	600	10000	3.4 × 10^－6	±0.3	34
	31.8	6		0.15	1300	9000	8.8 × 10^－6	±0.4	52
	35	8		0.16	1500	8500	1.2 × 10^－5		67
	39	10		0.18	1800	8000	2.1 × 10^－5		95
	42.5	14		0.18	2000	8000	3.3 × 10^－5	±0.5	120
	47	24		0.2	4000	7500	5.5 × 10^－5		160
	54	44		0.2	7000	7500	1.1 × 10^－4		250
	64	62		0.3	11000	6500	4.8 × 10^－4		455

Single Disc Type

Part Number		Allowable Torque (N⋅m)	Allowable Angular Misalignment (°)	Allowable Lateral Misalignment (mm)	Torsional Spring Constant (N·m/rad)	Max. Rotational Speed (r/min)	Moment of Inertia (kg⋅m²)	Allowable Axial Misalignment (mm)	Mass (g)
Type	D
CPKN CPKNLK CPKNRK CPKNWK	16	1	1	0.02	270	14000	2.6 × 10^－8	±0.1	7
	19	1.8			600		4.0 × 10^－7		8
	22.2	2.2				10000	1.0 × 10^－6		15
	26.6	3			900		2.4 × 10^－6	±0.15	25
	31.8	6			1700	9000	5.8 × 10^－6	±0.2	40
	35	8			2000	8500	1.0 × 10^－5		57
	39	10			2300	8000	1.6 × 10^－5	±0.25	70
	42.5	14			2800		3.4 × 10^－5		95

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Part Number
CPKN22.2-3-8

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Series Name	Allowable Misalignment	Application	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)	Max. Rotational Speed Range (r/min)	Features	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)	Environmentally Friendly	Single/Double	Shaft Bore Shape
	29.03 €	1		8 Days	Disc Type	Not Provided / Angular Misalignment / Eccentricity / Axial Misalignment	Standard / For Servo Motors / Stepping Motor / Encoder	1.01 to 3.00	3	8	22.2	19.7	1,001 to 2,000	High Torsional Rigidity / High Torque Type / High Positioning Accuracy Type / High Durability / Zero Backlash	2.2	10000	0.02 to 0.2	0.02	1	±0.1	1.0X10-6	RoHS compliant (10 substances)	Single	Standard Bore

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Basic Attributes

Allowable Misalignment
- Not Provided
- Angular Misalignment
- Eccentricity
- Axial Misalignment
Clear
Application
- Standard
- For Servo Motors
- Stepping Motor
- Encoder
Clear
Features
High Torsional Rigidity

High Torque Type

High Positioning Accuracy Type

High Durability

Zero Backlash
Clear
Type
- CPKN
- CPKNLK
- CPKNRK
- CPKNWK
- CPKW
- CPKWK
- CPKWLK
- CPKWRK
Clear
Series Name
- Disc Type
Clear
Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

5.01 to 10.00

10.01 to 20.00

20.01 to 50.00

50.01 to 100.00
Clear
Shaft Bore Dia. 1 d1 (or d)(mm)
3

4

4.5

5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

15.875

16

17

18

19

20

22

24

25

26

28

30

32
Clear
Shaft Bore Dia. 2 d2 (or d)(mm)
3

4

4.5

5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

15.875

16

17

18

19

20

22

24

25

26

28

30

32
Clear
O.D. D(mm)
16

19

22.2

26.6

31.8

35

39

42.5

47

54

64
Clear
Overall Length(mm)
17.4

19.3

19.7

21.2

23.3.

24.1

25

26.4

28

31.4

32.5

33.5

34.6

39.5

46.2

50

52.6

74.4
Clear
Max. Rotational Speed Range(r/min)
301 to 1,000

1,001 to 2,000

2001 to 4,000
Clear
Allowable Torque(Nm)
0.5

1

1.8

2.2

3

6

8

10

14

24

44

62
Clear
Max. Rotational Speed(r/min)
6500

7500

8000

8500

9000

10000

14000
Clear
Allowable Lateral Misalignment Range(mm)
0.02 to 0.2

0.21 to 0.40
Clear
Allowable Lateral Misalignment(mm)
0.02

0.05

0.12

0.15

0.16

0.18

0.2

0.3
Clear
Allowable Angular Misalignment(deg)
1

1.5
Clear
Environmentally Friendly
- RoHS compliant (10 substances)
Clear
Single/Double
- Double
- Single
Clear
Shaft Bore Shape
Keywayed Bore d1 Side

Keywayed Bore d1/d2 Side

Keywayed Bore d2 Side

Standard Bore
Clear
Filter by CAD data type
- 2D
- 3D
Clear

Filter by standard shipping days

All

8 Days or Less

13 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 .

Variation of this product

Part Number
CPKN16-3-5
CPKN16-4-4
CPKN16-4-4.5
CPKN22.2-3-9
CPKN22.2-3-9.525
CPKN22.2-4-4

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Series Name	Allowable Misalignment	Application	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)	Max. Rotational Speed Range (r/min)	Features	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)	Environmentally Friendly	Single/Double	Shaft Bore Shape
26.40 €	1	8 Days	Disc Type	Angular Misalignment / Eccentricity / Axial Misalignment / Not Provided	For Servo Motors / Stepping Motor / Standard / Encoder	0.05 to 1.00	3	5	16	17.4	2001 to 4,000	High Torque Type / High Torsional Rigidity / High Durability / High Positioning Accuracy Type / Zero Backlash	1	14000	0.02 to 0.2	0.02	1	±0.1	2.6X10-8	RoHS compliant (10 substances)	Single	Standard Bore
26.40 €	1	8 Days	Disc Type	Angular Misalignment / Eccentricity / Axial Misalignment / Not Provided	For Servo Motors / Stepping Motor / Standard / Encoder	0.05 to 1.00	4	4	16	17.4	2001 to 4,000	High Torque Type / High Torsional Rigidity / High Durability / High Positioning Accuracy Type / Zero Backlash	1	14000	0.02 to 0.2	0.02	1	±0.1	2.6X10-8	RoHS compliant (10 substances)	Single	Standard Bore
26.40 €	1	8 Days	Disc Type	Angular Misalignment / Eccentricity / Axial Misalignment / Not Provided	For Servo Motors / Stepping Motor / Standard / Encoder	0.05 to 1.00	4	4.5	16	17.4	2001 to 4,000	High Torque Type / High Torsional Rigidity / High Durability / High Positioning Accuracy Type / Zero Backlash	1	14000	0.02 to 0.2	0.02	1	±0.1	2.6X10-8	RoHS compliant (10 substances)	Single	Standard Bore
29.03 €	1	8 Days	Disc Type	Angular Misalignment / Eccentricity / Axial Misalignment / Not Provided	For Servo Motors / Stepping Motor / Standard / Encoder	1.01 to 3.00	3	9	22.2	19.7	1,001 to 2,000	High Torque Type / High Torsional Rigidity / High Durability / High Positioning Accuracy Type / Zero Backlash	2.2	10000	0.02 to 0.2	0.02	1	±0.1	1.0X10-6	RoHS compliant (10 substances)	Single	Standard Bore
29.03 €	1	8 Days	Disc Type	Angular Misalignment / Eccentricity / Axial Misalignment / Not Provided	For Servo Motors / Stepping Motor / Standard / Encoder	1.01 to 3.00	3	9.525	22.2	19.7	1,001 to 2,000	High Torque Type / High Torsional Rigidity / High Durability / High Positioning Accuracy Type / Zero Backlash	2.2	10000	0.02 to 0.2	0.02	1	±0.1	1.0X10-6	RoHS compliant (10 substances)	Single	Standard Bore
28.33 €	1	8 Days	Disc Type	Angular Misalignment / Eccentricity / Axial Misalignment / Not Provided	For Servo Motors / Stepping Motor / Standard / Encoder	1.01 to 3.00	4	4	22.2	19.7	1,001 to 2,000	High Torque Type / High Torsional Rigidity / High Durability / High Positioning Accuracy Type / Zero Backlash	2.2	10000	0.02 to 0.2	0.02	1	±0.1	1.0X10-6	RoHS compliant (10 substances)	Single	Standard Bore