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Bellows Couplings - Set Screw / Clamping (Part Numbers)

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MISUMI

Suitable for encoders because of its speed constancy even with misalignment.

Part Number

Configured Part Number is shown.

Tolerances for d1 and d2 are values before slit machining.
The lateral, angular, and axial misalignment values shown are for each occurring individually. When multiple misalignments are occurring simultaneously, the allowable maximum value of each will be reduced to 1/2.
For the selection criteria and alignment procedures, see >>.P.1061

Parts	Hub		Bellow	Accessory
Parts	Material	Surface Treatment	Material	CPB, CPBS	CPBC, CPBSC
CPB, CPBC	Aluminum Alloy	Clear Anodize	Phosphor Bronze	Set Screw	Hex Socket Head Cap Screw
CPBS, CPBSC	Stainless Steel	-	Stainless Steel	Set Screw	Hex Socket Head Cap Screw

Specifications

Part Number	-	Shaft Bore Dia. d₁	-	Shaft Bore Dia. d₂
CPB20	-	6	-	8

Part Number		d₁, d₂ Selection (d₁≤d₂)								L	ℓ	F	Set Screw		Unit Price
Type	D	d₁, d₂ Selection (d₁≤d₂)								L	ℓ	F	M	Tightening Torque (N • m)	CPB	CPBS
Set Screw CPB CPBS	12	3	4	5	6					23.5	7.5	2.5	M2.5	0.5
	16		4	5	6	8				26.5	9	3	M3	0.7
	*20			5	6	8	10			33(32)	10	3.5	M3	0.7
	25				6	8	10	12		36.5	12	4.5	M4	1.7
	32				6	8	10	12	14	42	13.5	5.5	M4	1.7

Overall length of CPBS20 is 32.

Part Number		d₁, d₂ Selection (d₁≤d₂)							L	ℓ	F	G	Clamp Screw		Unit Price
Type	D	d₁, d₂ Selection (d₁≤d₂)							L	ℓ	F	G	M	Tightening Torque (N • m)	CPBC	CPBSC
Clamping CPBC CPBSC	12	4	5						23.5	7.5	2.3	4	M2	0.5
	16		5	6					26.5	9	3	5	M2.5	1
	*20			6	8				33(32)	10	3.5	6.5	M2.5	1
	25				8	10			36.5	12	4.5	9	M3	1.5
	32				8	10	12	14	42	13.5	5	11	M4	2.5

* Overall length of CPBSC20 is 32.

Part Number		Allowable Torque (N • m)	Allowable Angular Misalignment ( °)	Lateral Misalignment (mm)	Static 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 ( °)	Lateral Misalignment (mm)	Static Torsional Spring Constant (N • m/rad)	Max. Rotational Speed (r/min)	Moment of Inertia (kg • m²)	Allowable Axial Misalignment (mm)	Mass (g)
CPB (Aluminum)	12	0.3	1.5	0.10	82	52000	9.0x10^-8	+0.4 -1.2	4
	16	0.5	1.5	0.10	110	39000	3.5x10^-7	+0.4 -1.2	9
	20	0.8	2	0.15	180	31000	9.9x10^-7	+0.6 -1.8	16
	25	1.3		0.15	240	25000	3.1x10^-6	+0.6 -1.8	32
	32	2		0.20	330	19000	9.2x10^-6	+0.8 - 2.5	57
CPBS (Stainless Steel)	12	0.5	1.5	0.10	100	52000	2.1x10^-7	+0.4 -1.2	9
	16	1	1.5	0.10	150	39000	8.0x10^-7	+0.4 -1.2	20
	20	1.5	2	0.15	220	31000	2.3x10^-6	+0.6 -1.8	37
	25	2		0.15	330	25000	7.0x10^-6	+0.6 -1.8	73
	32	3		0.20	490	19000	2.1x10^-5	+0.8 - 2.5	130
CPBC (Aluminum)	12	0.3	1.5	0.10	82	52000	9.7x10^-8	+0.4 -1.2	4
	16	0.5	1.5	0.10	110	39000	3.7x10^-7	+0.4 -1.2	10
	20	0.8	2	0.15	180	31000	1.0x10^-6	+0.6 -1.8	16
	25	1.3		0.15	240	25000	3.1x10^-6	+0.6 -1.8	32
	32	2		0.20	330	19000	9.6x10^-6	+0.8 - 2.5	58
CPBSC (Stainless Steel)	12	0.5	1.5	0.10	100	52000	2.1x10^-7	+0.4 -1.2	9
	16	1	1.5	0.10	150	39000	8.1x10^-7	+0.4 -1.2	22
	20	1.5	2	0.15	220	31000	2.3x10^-6	+0.6 -1.8	38
	25	2		0.15	330	25000	6.9x10^-6	+0.6 -1.8	74
	32	3		0.20	490	19000	2.1x10^-5	+0.8 - 2.5	130

Couplings/Bellows/Setscrew/Clamping:Related Image

Alterations

Part Number

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*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
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Part Number

Part Number	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Shaft Bore Dia. 1 d1 (or d) (Ø)	Shaft Bore Dia. 2 d2 (or d) (Ø)	O.D. (Ø)	Overall Length (mm)	Allowable Torque Range (N•m)	Body Material	Allowable Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Max. Rotational Speed (r/min)	Bellow Material	Allowable Axial Misalignment (mm)	Moment of Inertia (kg・m2)	Shaft Tightening Method	Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 1mm Increment	Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 1mm Increment

Product TOP

Basic Information

Series Name	Bellows	Application	Encoder	Features	Zero Backlash / Low Moment of Inertia
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Max. Rotational Speed Range(r/min)	10001~78000	Product Category	Coupling Main Body
Allowable Lateral Misalignment Range(mm)	0.02~0.2

Configure

167 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia. 1 d1 (or d)(Ø)
3

4

5

6

8

10

12

14
Clear
Shaft Bore Dia. 2 d2 (or d)(Ø)
3

4

5

6

8

10

12

14
Clear
O.D.(Ø)
12

16

20

25

32
Clear
Overall Length(mm)
23.5

26.5

32

33

36.5

42
Clear
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00
Clear
Body Material
- Stainless Steel
  - Stainless Steel
- Aluminum
  - Aluminum
Clear
Allowable Torque(N•m)
0.3

0.5

0.8

1

1.3

1.5

2

3
Clear
Allowable Angular Misalignment(deg)
1.5

2
Clear
Allowable Lateral Misalignment(mm)
0.1

0.15

0.2
Clear
Max. Rotational Speed(r/min)
19000

25000

31000

39000

52000
Clear
Bellow Material
- Stainless Steel
- Phosphor Bronze
Clear
Shaft Tightening Method
- Clamping
- Set Screw
Clear
Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 1mm Increment
3.175

4.5

6.35

9.525

12.7
[6-14/0.1][3-14/1]
Clear
Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 1mm Increment
3.175

4.5

6.35

9.525

12.7
[6-14/0.1][3-14/1]
Clear
type
- CPB
- CPBC
- CPBS
- CPBSC
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

6 Day(s) or Less

17 Day(s) or Less

83 Day(s) or Less
Clear

Specify Alterations

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

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Bellows Couplings - Set Screw / Clamping (Part Numbers)

Specifications

Alterations

Part Number

Basic Information

Configure

Specification/Dimensions

Shaft Bore Dia. 1 d1 (or d)(Ø)

Shaft Bore Dia. 2 d2 (or d)(Ø)

O.D.(Ø)

Overall Length(mm)

Allowable Torque Range(N•m)

Body Material

Allowable Torque(N•m)

Allowable Angular Misalignment(deg)

Allowable Lateral Misalignment(mm)

Max. Rotational Speed(r/min)

Bellow Material

Shaft Tightening Method

Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 1mm Increment

Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 1mm Increment

type

CAD

Days to Ship

Specify Alterations

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Complementary Products

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