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Oldham Couplings Shaft Collar in Shell
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OCT - Clamp Oldham Coupling

Clamp Oldham Coupling

Features

  • Large parallel misalignment
  • Electrically isolating
  • Balanced design
  • Replaceable disk
  • Bore tolerance: +.001"/-.000"
  • Maximum speed: 4,500 RPM
  • Temperature range (Deg. F)
    with Acetal Disk: -10° to 150°
    with Nylon Disk: -10° to 130°

Notes

  • Aluminum hubs are standard
  • Hubs available in stainless steel
  • Inch and metric hubs (set screw or clamp) can be combined into a single coupling as long as they have the same outside diameter (OD)
Ruland Hub Size (OD) Equivalents
Inch
Metric
8
0.500"
=
13
12.7mm
10
0.590"
=
15
15.0mm
12
0.750"
=
19
19.1mm
16
1.000"
=
25
25.4mm
21
1.313"
=
33
33.3mm
26
1.625"
=
41
41.3mm
32
2.000"
=
51
50.8mm
36
2.250"
=
57
57.2mm
  distributor

How to Specify

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

To order hubs, choose any bore sizes (inch or metric in any style) available in the same outside diameter (OD). Part numbers are in the following format with an example of an inch to metric mixed coupling.

order oct

order moct

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

order od
Oldham Couplings
Clamp Oldham Coupling
Set Screw Oldham Coupling
Coupling Support Form
Product Index


 

 

THROUGH BORE HUBS

  Click part number for 3D CAD file
Aluminum Bore B (in) OD (in) Hub Length
LH (in)		 Coupling Length
(in)		 Shaft Penetration
(in)		 Clamp Screw
OCT12-3-A .1875 0.750 0.380 1.000 0.380 M2.5
OCT12-4-A .2500
OCT12-5-A .3125
OCT16-4-A .2500 1.000 0.467 1.250 0.467 M3
OCT16-5-A .3125
OCT16-6-A .3750
OCT16-8-A .5000
OCT21-5-A .3125 1.313 0.590 1.875 0.590 M3
OCT21-6-A .3750
OCT21-8-A .5000
OCT21-10-A .6250
OCT26-6-A .3750 1.625 0.710 2.000 .710 M4
OCT26-8-A .5000
OCT26-10-A .6250
OCT26-12-A .7500
OCT32-8-A .5000 2.000 0.820 2.350 0.820 M5
OCT32-10-A .6250
OCT32-12-A .7500
OCT32-14-A .8750
OCT32-16-A 1.000
OCT36-8-A .5000 2.250 1.130 3.100 1.130 M6
OCT36-10-A .6250
OCT36-12-A .7500
OCT36-14-A .8750
OCT36-16-A 1.000
OCT36-18-A 1.125

DISKS

  Click part number for 3D CAD file
Part Number OD (in) Material Rated Torque
(lb-in)		 Torsional
Stiffness
(Deg/lb-in)		 Static Break
Torque
(lb-in)		 MISALIGNMENT
Angular (Deg) Parallel (in) Axial Motion (in)
 OD8/13-AT 0.500 Acetal 6 .072 34
0.5 0.004 0.002
OD12/19-AT 0.750 Acetal 20 .043 93
0.5 0.008 0.004
 OD16/25-AT 1.000 Acetal 42 .033 168
0.5 0.008 0.004
OD21/33-AT 1.313 Acetal 70 .009 350
0.5 0.008 0.006
OD26/41-AT 1.625 Acetal 130 .008 480
0.5 0.010 0.006
 OD32/51-AT 2.000 Acetal 250 .005 750
0.5 0.010 0.008
OD36/57-AT 2.250 Acetal 375 .003 1100
0.5 0.010 0.008
OD8/13-NL 0.500 Nylon 1.5 .290 25
0.5 0.004 0.002
OD12/19-NL 0.750 Nylon 5.0 .140 85
0.5 0.008 0.004
OD16/25-NL 1.000 Nylon 10.0 .126 140
0.5 0.008 0.004
OD21/33-NL 1.313 Nylon 18.0 .052 300
0.5 0.008 0.006
OD26/41-NL 1.625 Nylon 32.0 .037 400
0.5 0.010 0.006


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.
Note 4 Torque ratings for the couplings are based on the physical limitations/failure point of the torque disks. Under normal/typical conditions the hubs are capable of holding up to the rated torque of the disks. In some cases, especially when the smallest standard bores are used or where shafts are undersized, slippage on the shaft is possible below the rated torque of the disks. Keyways are available to provide additional torque capacity in the shaft/hub connection when required. Please consult technical support for more assistance.

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