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Oldham Couplings - Clamping / Set Screw (Part Numbers)

Oldham Couplings - Clamping / Set Screw

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  • Oldham Couplings - Clamping / Set Screw
  • Oldham Couplings - Clamping / Set Screw

MISUMI

MISUMI

"Have the spacer protruded to reduce load applied to the shaft, by naturally tolerating large angular/lateral misalignment."

(i)Caution

  • Please check the content on our website as the PDF does not contain the most up-to-date information.

PDFP.1-1115-2015

Part Number

Configured Part Number is shown.

Dimensional Drawing

CPO

CPOCG (Short)

CPOC

D = 5.9 to 32

D = 40 to 118

Coupling - Oldham, Clamping / Set Screw: Related Image
[ ! ] Recommended Tolerance of Shaft Diameter: h7.
[!] Operating Temperature: －20°C to 80°C
[ ! ] 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.
TYPE[M] Material[S] Surface Treatment
HubSpacerHex Socket Head Cap Screw
Set Screw		HubHex Socket Head Cap Screw
Set Screw
CPOCAluminum AlloyPolyacetalSCM435AnodizedBlack Oxide Film
CPO
Parts[M] Material[S] Surface Treatment 
HubAluminum AlloyAnodized 
SpacerPolyacetal— 
Set ScrewSCM435Black Oxide Film

Specification Table

Part Number—Shaft Bore Dia. d1—Shaft Bore Dia. d2
CPO25—8—10
CPOC20—6—8
Part Numberd1, d2 Selection (However, d1 ≤ d2)d3LℓtFASet Screw / Clamp Screw
TypeDMTightening Torque
(N⋅m)
CPO5.911.52                                   —8.42.531.25—M20.3
7.91 22.53                                 —9.82.54.81.25M20.3
9.9  2 34                                —10.42.94.61.5M20.3
11.9    344.55                              —14.53.96.72M30.7
16    34 566.35                            718743.5M30.7
20     4 566.35 8                          923954.5M41.7
25       566.35 89.52510                        11281165.5M54
32          8 10 1214                      14.5331376.5M67
* 40            10 12141516                    17321447
* 43          89.5251011121415161819                  21.75216.5197.1M54
* 53            101112141516181920222425              25.758.319.519.37.5M67
* 57                151618192022242525.428            2676.226.922.49.9M815
* 73                  18192022242525.4283032 35        35.375.52525.512.2M815
CPOC16      56                              72912.5435M2.51
20       66.35 8                           9331456.5
25        6.35 8 10                         113916.563.89M31.5
32          8 10111214                      14.5451974.511M42.5
* 40              12141516                    1750234713M54
* 43          89.5251011121415161819                  21.75216.5195.814.7M58
* 53            101112141516181920222425              25.758.319.519.36.320M58
* 57                151618192022242525.428            2676.226.922.47.721.2M613
* 73                1516181920222425 283032343540       35.381.52825.51027M830
* 88                1516181920222425 283032343540424550    40.59733.5301231.5M1050
* 118                       25 2830323435404245505255586050.513840.5571340M1290
CPOCG12    345                               614.95—2.54M20.5
16    3456                              82173.55M2.51
20      566.3578                           1022.16.5
25        6.3578 10                         1427.2849M31.5
32          8 10111214                      1833.310511M42.5
* 43          89.5251011121415161819                  21.74716.5145.814.7M58
* 53            101112141516181920222425              25.753.119.514.16.320M58
* 57                151618192022242525.428            2656.826.937.721.2M613
* 73                1516181920222425 283032343540       35.375.52819.51027M830
[ ! ] * D40, D43, D53, D57, D73, D88, and D118 spacers are black.
Part NumberAllowable Torque
(N⋅m)		Allowable Angular Misalignment
(°)		Allowable Lateral Misalignment
(mm)		Static Torsional
Spring Constant
(N·m/rad)		Max. Rotational Speed
(r/min)		Moment of Inertia
(kg⋅m2)		Mass
(g)
TypeD
CPO5.90.21.50.55220007.4 × 10－80.5
7.90.50.710200008.4 × 10－90.9
9.90.70.925180002.4 × 10－81.7
11.90.8155150006.3 × 10－83
160.73131390003.2 × 10−77
201.21.560310001.0 × 10−614
2522140250003.0 × 10−627
324.52.5280190009.5 × 10−650
4093540150002.3 × 10−580
4312.51.53120080003.7 × 10−5135
53203.2140070001.0 × 10−4228
57343.5260060001.8 × 10−4345
73603.5480045004.5 × 10−4567
CPOC160.73131390005.8 × 10−712
201.21.560310001.5 × 10−619
2522140250004.4 × 10−636
324.52.5280190001.4 × 10−569
4093540150004.1 × 10−5130
4312.51.53120080003.4 × 10−5127
53203.2140070009.1 × 10−5217
57343.5260060001.6 × 10−4329
73653.5200045005.4 × 10−4670
881054250045001.2 × 10−31240
1182004.5630035006.5 × 10−32600
CPOCG120.220.69520007.1 × 10−83
160.4130390003 × 10−78
200.71.347310007.4 × 10−713
251.21.585250002.2 × 10−624
322.82190190007.3 × 10−648
4312.51.53120080003.0 × 10−5114
53203.2140074008.3 × 10−5197
57343.526006001.2 × 10−4232
73603.5480045004.5 × 10−4547
[!] The allowable torque varies depending on temperature.
AlterationsShaft Bore Dia.Keyway
Spec.
1 mm Increments
Applicable to 3.175, 4.5, 9.525, 12.7 or 15.875
Ordering Code LDC 3.175 RDC 7
CPO CPOC CPOCG
 
CPO
DLDC·RDC
163 to 6.35
204 to 8
255 to 10
328 to 14
4010 to 16
CPOC
DLDC·RDC
165 to 6
206 to 8
256.35 to 10
328 to 14
4012 to 16
CPOCG
DLDC·RDC
123 to 5
163 to 6
205 to 8
256.35 to 10
328 to 14
Ordering Code
LK4
RK5
Shaft Dia. d1, d2LK·RK
8·103
11·124
14·15·165
 [ NG ] Not applicable to D5.9 to 11.9, D43 to 118[ ! ] Keyway machining is available for ø8 or more.
[ NG ] Cannot be combined with shaft bore change (LDC, RDC) alterations.
[ ! ] For keyway dimensions, see below.
[ NG ] Not applicable to D5.9 to 11.9, D43 to 118
CodeLDC (Left Shaft)RDC (Right Shaft)LK (Left Shaft)RK (Right Shaft)

Part Number 

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Part Number
CPOCG20-[5,​6,​6.35,​7,​8]-[5,​6,​6.35,​7,​8]
CPOCG20-[5,​6,​6.35,​7,​8]-RDC[5-8/1]
CPOCG20-LDC[5-8/1]-[5,​6,​6.35,​7,​8]
CPOCG20-LDC[5-8/1]-RDC[5-8/1]
CPOCG25-[6.35,​7,​8,​10]-[6.35,​7,​8,​10]
CPOCG25-[6.35,​7,​8,​10]-RDC[6.35,​9.525]
CPOCG25-[6.35,​7,​8,​10]-RDC[7-10/1]
CPOCG25-LDC[6.35,​9.525]-[6.35,​7,​8,​10]
CPOCG25-LDC[6.35,​9.525]-RDC[6.35,​9.525]
CPOCG25-LDC[6.35,​9.525]-RDC[7-10/1]
CPOCG25-LDC[7-10/1]-[6.35,​7,​8,​10]
CPOCG25-LDC[7-10/1]-RDC[6.35,​9.525]
CPOCG25-LDC[7-10/1]-RDC[7-10/1]
CPOCG32-[8,​10,​11,​12,​14]-[8,​10,​11,​12,​14]
CPOCG32-[8,​10,​11,​12,​14]-RDC[8-14/1]
CPOCG32-[8,​10,​11,​12,​14]-RDC[9.525,​12.7]
CPOCG32-LDC[8-14/1]-[8,​10,​11,​12,​14]
CPOCG32-LDC[8-14/1]-RDC[8-14/1]
CPOCG32-LDC[8-14/1]-RDC[9.525,​12.7]
CPOCG32-LDC[9.525,​12.7]-[8,​10,​11,​12,​14]
CPOCG32-LDC[9.525,​12.7]-RDC[8-14/1]
CPOCG32-LDC[9.525,​12.7]-RDC[9.525,​12.7]
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSShaft 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) 		Allowable Torque
(N•m) 		Allowable Angular Misalignment
(deg) 		Allowable Lateral Misalignment
(mm) 		Allowable Lateral Misalignment Range
(mm) 		Max. Rotational Speed
(r/min) 		Moment of Inertia
(kg・m2) 		Standard/Short Shaft Tightening Method LDC
(mm) 		RDC
(mm)

-

1 Piece(s) 6 Day(s) or more 105 ～ 85 ～ 82022.10.05~1.000.721.31.1~3.0310007.4×10-7ShortClamping--

-

1 Piece(s) 6 Day(s) or more 105 ～ 8-2022.10.05~1.000.721.31.1~3.0310007.4×10-7ShortClamping-5 ～ 8

-

1 Piece(s) 6 Day(s) or more 10-5 ～ 82022.10.05~1.000.721.31.1~3.0310007.4×10-7ShortClamping5 ～ 8-

-

1 Piece(s) 6 Day(s) or more 10--2022.10.05~1.000.721.31.1~3.0310007.4×10-7ShortClamping5 ～ 85 ～ 8

-

1 Piece(s) 6 Day(s) or more 106.35 ～ 106.35 ～ 102527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping--

-

1 Piece(s) 6 Day(s) or more 106.35 ～ 10-2527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping-6.35 ～ 9.525

-

1 Piece(s) 6 Day(s) or more 106.35 ～ 10-2527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping-7 ～ 10

-

1 Piece(s) 6 Day(s) or more 10-6.35 ～ 102527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping6.35 ～ 9.525-

-

1 Piece(s) 6 Day(s) or more 10--2527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping6.35 ～ 9.5256.35 ～ 9.525

-

1 Piece(s) 6 Day(s) or more 10--2527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping6.35 ～ 9.5257 ～ 10

-

1 Piece(s) 6 Day(s) or more 10-6.35 ～ 102527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping7 ～ 10-

-

1 Piece(s) 6 Day(s) or more 10--2527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping7 ～ 106.35 ～ 9.525

-

1 Piece(s) 6 Day(s) or more 10--2527.21.01~3.001.221.51.1~3.0250002.2×10-6ShortClamping7 ～ 107 ～ 10

-

1 Piece(s) 6 Day(s) or more 108 ～ 148 ～ 143233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping--

-

1 Piece(s) 6 Day(s) or more 108 ～ 14-3233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping-8 ～ 14

-

1 Piece(s) 6 Day(s) or more 108 ～ 14-3233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping-9.525 ～ 12.7

-

1 Piece(s) 6 Day(s) or more 10-8 ～ 143233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping8 ～ 14-

-

1 Piece(s) 6 Day(s) or more 10--3233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping8 ～ 148 ～ 14

-

1 Piece(s) 6 Day(s) or more 10--3233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping8 ～ 149.525 ～ 12.7

-

1 Piece(s) 6 Day(s) or more 10-8 ～ 143233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping9.525 ～ 12.7-

-

1 Piece(s) 6 Day(s) or more 10--3233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping9.525 ～ 12.78 ～ 14

-

1 Piece(s) 6 Day(s) or more 10--3233.31.01~3.002.8221.1~3.0190007.3×10-6ShortClamping9.525 ～ 12.79.525 ～ 12.7

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Basic Information

Series Name Oldham Application Standard Features Low Moment of Inertia
Allowable Misalignment Angular Misalignment / Eccentricity Max. Rotational Speed Range(r/min) 10001~78000 Product Category Coupling Main Body
Buffer Material Polyacetal Operating Temperature(°C) -20::80

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Specification/Dimensions

  • Shaft Bore Dia. 1 d1 (or d)(Ø)

    • 3
    • 4
    • 5
    • 6
    • 6.35
    • 7
    • 8
    • 9.525
    • 10
    • 11
    • 12
    • 14
    • 15
    • 16

    Clear

  • Shaft Bore Dia. 2 d2 (or d)(Ø)

    • 3
    • 4
    • 5
    • 6
    • 6.35
    • 7
    • 8
    • 9.525
    • 10
    • 11
    • 12
    • 14
    • 15
    • 16

    Clear

  • O.D.(Ø)

    • 12
    • 16
    • 20
    • 25
    • 32
    • 40

    Clear

  • Overall Length(mm)

    • 14.9
    • 18
    • 21
    • 22.1
    • 23
    • 27.2
    • 28.2
    • 29
    • 32
    • 32.7
    • 33.3
    • 33.8
    • 39.2
    • 44.7
    • 50

    Clear

  • Allowable Torque Range(N•m)

    • 0.05~1.00
    • 1.01~3.00
    • 3.01~5.00
    • 5.01~10.00

    Clear

  • Allowable Torque(N•m)

    • 0.2
    • 0.4
    • 0.7
    • 1.2
    • 2
    • 2.8
    • 4.5
    • 9

    Clear

  • Allowable Angular Misalignment(deg)

    • 2
    • 3

    Clear

  • Allowable Lateral Misalignment(mm)

    • 0.6
    • 1
    • 1.3
    • 1.5
    • 2
    • 2.5
    • 3

    Clear

  • Allowable Lateral Misalignment Range(mm)

    • 0.41~1.0
    • 1.1~3.0

    Clear

  • Max. Rotational Speed(r/min)

    • 15000
    • 19000
    • 25000
    • 31000
    • 39000
    • 52000

    Clear

  • Standard/Short

    • Short
    • Standard

    Clear

  • Shaft Tightening Method

    • Clamping
    • Set Screw

    Clear

  • LDC(mm)

    • 3.175
    • 4.5
    • 6.35
    • 7
    • 9.525
    • 12.7
    • 15.875

     [3-16/1mm Unit(s)]

    Clear

  • RDC(mm)

    • 3.175
    • 4.5
    • 6.35
    • 7
    • 9.525
    • 12.7
    • 15.875

     [3-16/1mm Unit(s)]

    Clear

  • type

    • CPO
    • CPOC
    • CPOCG

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 6 Day(s) or Less

    Clear

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