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Oldham Couplings Shaft Collar in Shell
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MOCT - Metric Clamp Oldham Coupling
Metric Clamp Oldham Coupling

Features

  • Large parallel misalignment
  • Electrically isolating
  • Balanced design
  • Replaceable disk
  • Bore tolerance: +.050mm/-.000mm
  • Maximum speed: 4,500 RPM
  • Temperature range (Deg. F)
    with Acetal Disk: -10° to 150°
    with Nylon Disk: -10° to 130°


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How to Specify

For a complete coupling, order two hubs and one disk.

To order hubs, choose any bore size (inch, metric or mixed) available in a body size. Part numbers are in the following format with numbers representing millimeters:

order moct

To order disk, choose material type and hub body size (OD). Inch dimensions are on the left side of the “/” and metric sizes are on the right. For example:

order od
Clamp Oldham Couplings
Set Screw Oldham Couplings
 

THROUGH BORE HUBS

  Click part number for 3D CAD file
Aluminum Bore
B (mm)		 OD
(mm)		 Hub Length
LH (mm)		 Coupling Length
L (mm)		 Shaft Penetration
(mm)		 Clamp Screw
MOCT19-4-A 4 19.1 9.7 25.4 9.7 M2.5
MOCT19-5-A 5
MOCT19-6-A 6
MOCT19-7-A 7
MOCT19-8-A 8
MOCT25-6-A 6 25.4 11.9 31.8 11.9 M3
MOCT25-7-A 7
MOCT25-8-A 8
MOCT25-9-A 9
MOCT25-10-A 10
MOCT25-12-A 12
MOCT33-8-A 8 33.3 15.0 47.6 15.0 M3
MOCT33-9-A 9
MOCT33-10-A 10
MOCT33-12-A 12
MOCT33-14-A 14
MOCT33-16-A 16
MOCT41-10-A 10 41.3 18.0 50.8 18.0 M4
MOCT41-12-A 12
MOCT41-14-A 14
MOCT41-16-A 16
MOCT41-17-A 17
MOCT41-19-A 19
MOCT41-20-A 20
MOCT51-12-A 12 50.8  20.8 59.7 20.8 M5
MOCT51-14-A 14
MOCT51-16-A 16
MOCT51-17-A 17
MOCT51-19-A 19
MOCT51-20-A 20
MOCT51-25-A 25
MOCT57-14-A 14 57.2  28.7 78.7 28.7 M6
MOCT57-16-A 16
MOCT57-17-A 17
MOCT57-19-A 19
MOCT57-20-A 20
MOCT57-25-A 25
MOCT57-30-A 30

DISKS

  Click part number for 3D CAD file
Part Number OD (mm) Material Rated Torque
(Nm)		 Torsional
Stiffness
(Deg/Nm)		 Static Break
Torque
(Nm)		 MISALIGNMENT
Angular (Deg) Parallel (mm) Axial Motion (mm)
OD8/13-AT 12.7 Acetal 0.68 0.636 3.9
0.5 0.10 0.05
OD12/19-AT 19.1 Acetal 2.25 0.380 10.5
0.5 0.20 0.10
OD16/25-AT 25.4 Acetal 4.75 0.291 19.0
0.5 0.20 0.10
OD21/33-AT 33.3 Acetal 8.00 0.079 39.5
0.5 0.20 0.15
OD26/41-AT 41.3 Acetal 14.75 0.068 54.5
0.5 0.25 0.15
OD32/51-AT 50.8 Acetal 28.50 0.044 85.0
0.5 0.25 0.20
OD36/57-AT 57.2 Acetal 42.50 0.027 125.0
0.5 0.25 0.20
OD8/13-NL 12.7 Nylon 0.17 2.560 2.8
0.5 0.10 0.05
OD12/19-NL 19.1 Nylon 0.57 1.240 9.6
0.5 0.20 0.10
OD16/25-NL 25.4 Nylon 1.13 1.110 15.9
0.5 0.20 0.10
OD21/33-NL 33.3 Nylon 2.05 0.460 34.0
0.5 0.20 0.15
OD26/41-NL 41.3 Nylon 3.65 0.330 45.3
0.5 0.25 0.15


Note 1 Hardware is alloy steel with black oxide finish.
Note 2 Performance ratings are for guidance only. The user must determine suitability for a particular application.
Note 3 Couplings supplied with black anodized aluminum hubs.

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