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Oldham Couplings Shaft Collar in Shell
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MOST - Metric Set Screw Oldham Coupling
Ruland Set Screw Oldham Coupling

Features

  • Large parallel misalignment
  • Electrically isolating
  • Balanced design
  • Replaceable disk
  • Maximum speed: 4,500 RPM
  • Temperature Range (Deg. F)
    with Acetal Disc: -10° to 150°
    with Nylon Disk: -10° to 130°


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How to Order

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

For example: order MOST19-4-A, MOST19-5-A and OD12/19-AT to form a complete coupling with a 19mm OD, 4mm and 5mm bores and a zero backlash disk.
Clamp Style 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)		  Length
L (mm)		 Shaft Penetration
(mm)		 Set Screw
MOST13-3-A 3 12.7 5.6 15.9 5.6 M3
MOST13-4-A 4
MOST13-5-A 5
MOST13-6-A 6
MOST19-4-A 4 19.1 7.6 22.2 7.6 M3
 MOST19-5-A 5
 MOST19-6-A 6
MOST19-7-A 7
 MOST19-8-A 8
MOST25-6-A 6 25.4 9.9 28.6 9.9 M4
MOST25-7-A 7
MOST25-8-A 8
MOST25-9-A 9
MOST25-10-A 10
MOST25-12-A 12
MOST33-8-A 8 33.3 15.0 47.6 15.0 M4
MOST33-9-A 9
 MOST33-10-A  10
MOST33-12-A  12
 MOST33-14-A  14
 MOST33-16-A  16
 MOST41-10-A  10 41.3 18.0 50.8 18.0 M5
 MOST41-12-A  12
 MOST41-14-A  14
 MOST41-16-A  16
M0ST41-17-A 17
MOST41-19-A 19
MOST41-20-A 20

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. Parts MOST13 and MOST19 have one set screw. MOST25, MOST33 and MOST41 have two set screws 90° apart.
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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