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N Coupling (CPN25)

N Coupling CPN25

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MISUMI

MISUMI

[Features]
· Lineup of sizes from shaft diameter φ6 to φ35.
· Low moment of inertia.
· Reduced tightening time.
· Low cost

PDFP.1-1098-2014

Part Number

Configured Part Number is shown.

CPN25

Type[M] Material[S] Surface Treatment
CPNS45C EquivalentBlack Surface Treatment
CPNNElectroless Nickel Plating
CPNSSUS304 Equivalent-

Specification Table

Part Number
CPN10
Part NumberSDℓℓ1ℓ2LShaft Insertion DepthTighteningMoment of InertiaAllowable TorqueMax. Allowable Thrust LoadMass
(mm)TorqueGD2(N⋅m)(N)(g)
TypedStandard a1Minimum a2(N⋅m)(kg⋅m2)CPNCPNN・CPNSCPNCPNN・CPNS 
CPN6121320.55.55.521.510.257.511.84.24 × 10−87.85.483358313
CPNN7141520.55.55.521.910.457.512.75.25 × 10−78.8—981—17.5
CPNS8141521662310.57.513.78.25 × 10−79.86.8112878918
 91718.523.56.5725.511.758.515.71.98 × 10−611.88.21520106030
 101718.525.477.527.412.79.219.62.08 × 10−615.710.91804126030
 11192129893114.510.524.53.75 × 10−619.613.71912133043
 121921308932151129.43.75 × 10−637.326.12010140041
 142224.634910361712.534.37.50 × 10−641.228.82442170060
 15232537.59.511.539.518.751439.21.00 × 10−54934.32942205075
 1624263910124119.514.5491.45 × 10−554.938.432752290100
 172628.5411112.54320.51553.91.93 × 10−560.842.536872580115
 182730431212.54521.515.558.82.48 × 10−568.64839422750130
 192932451213.54722.516.563.73.25 × 10−575.552.843643050150
 203032.5481314.5502417.568.63.50 × 10−588.261.749523460160
 22323550141552251878.45.00 × 10−510372.154913840190
 243538.552141654261983.37.25 × 10−512386.160804250230
 2536405515175727.52088.29.00 × 10−5157109.971595010260
 3041456317176531.5231278.75 × 10−5177123117688230350
 3546516919197134.5251671.55 × 10−4206144117688230480

Part Number 

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30
45
60
  1. 1
Part Number
CPN25
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSShaft Bore Dia. 1 d1 (or d)
(Ø) 		Allowable Torque Range
(N•m) 		Outer Dia. D
(Ø) 		Overall Length
(mm) 		Allowable Torque
(N•m) 		Moment of Inertia
(kg･m2)

MYR 177.44

1 Piece(s)Available 4 Day(s) or more 1025-40571579.00 x 10-5

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  1. 1

Specifications/Overview

■ Product Details
○ Keyless - Locking by Friction:
 Allows high-accuracy mounting with no backlash.
 Easy phase matching.
 Omission of keyway machining contributes to total cost saving.
○ High Torque Transmission / High Thrust Load Capacity:
 Allows combined load of torque and thrust.
○ Easy Locking with a Nut:
 It is easy to mount where a space is limited.
 Requires no space in axial direction.
○ Keywayed shafts can be used as well.
(15 to 20% less allowable torque)
 
■ Precautions for Use
○ Tightening torque control is required.
(A torque wrench is recommended)
○ Replace the fluororesin tape (seal tape thickness: 0.1 mm) on the threads for reuse.
○ Use shafts with h7 tolerance / 8S surface roughness or better.
○ Shaft Insertion Depth Standard a1 (in the table) is recommended.
 Minimum a2 is required.
○ Only for CPNS d = 30 and 35, a special coating (black) to prevent galling is applied to nuts.
 

Basic Information

Application Standard Features High Torsional Rigidity / High Torque Type / Zero Backlash / Low Moment of Inertia Body Material S45C

Please check the type/dimensions/specifications of the part CPN25 in the N Coupling series.

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Specification/Dimensions

  • Allowable Torque Range(N•m)

    • 5.01~10.00
    • 10.01~20.00
    • 20.01~50.00
    • 50.01~100.00

    Clear

  • type

    • CPN

    Clear

  • Shaft Bore Dia. 1 d1 (or d)(Ø)

    • 6
    • 7
    • 8
    • 9
    • 10
    • 11
    • 12
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 22
    • 24
    • 25
    • 30
    • 35

    Clear

  • Outer Dia. D(Ø)

    • 13
    • 15
    • 18.5
    • 21
    • 24.6
    • 25
    • 26
    • 28.5
    • 30
    • 32
    • 32.5
    • 35
    • 38.5
    • 40
    • 45
    • 51

    Clear

  • Overall Length(mm)

    • 21.5
    • 21.9
    • 23
    • 25.5
    • 27.4
    • 31
    • 32
    • 36
    • 39.5
    • 41
    • 43
    • 45
    • 47
    • 50
    • 52
    • 54
    • 57
    • 65
    • 71

    Clear

  • Allowable Torque(N•m)

    • 7.8
    • 8.8
    • 9.8
    • 11.8
    • 15.7
    • 19.6
    • 37.3
    • 41.2
    • 49
    • 54.9
    • 60.8
    • 68.6
    • 75.5
    • 88.2
    • 103
    • 123
    • 157
    • 177
    • 206

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 4 Day(s) or Less
    • 5 Day(s) or Less

    Clear

Specify Alterations

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Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSShaft Bore Dia. 1 d1 (or d)
(Ø) 		Allowable Torque Range
(N•m) 		Outer Dia. D
(Ø) 		Overall Length
(mm) 		Allowable Torque
(N•m) 		Moment of Inertia
(kg･m2)

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