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Oldham Couplings Shaft Collar in Shell
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OSC - Set Screw Oldham Coupling w/ Keyways
Ruland Set Screw Oldham Coupling with Keyways

Features

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

How to Order

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

For example: order OSC16-8-A, OSC16-6-A and OD16/25-AT to form a complete coupling with a 1 " OD, 1/2 " and 3/8" bores and a zero backlash disk.
Clamp Style Oldham Couplings
Set Screw Oldham Couplings
 

THROUGH BORE HUBS

  Click part number for 3D CAD file
Part Number Keyway (in) Bore B (in) OD (in) Hub Length
LH (in)		 Coupling Length
(in)		 Shaft Penetration
(in)		 Set Screw
OSC16-6-A 3/32
.3750
1.000
0.390
1.125
0.390
M4
OSC16-8-A 1/8
.5000
OSC21-6-A 3/32
.3750
1.313
0.590
1.875
0.590
M4
OSC21-8-A 1/8
.5000
OSC21-10-A 3/16
.6250
OSC26-6-A 3/32
.3750
1.625
0.710
2.000
0.710
M5
OSC26-8-A 1/8
.5000
OSC26-10-A 3/16
.6250
OSC26-12-A 3/16
.7500

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. Parts OST8 and OST12 have one set screw. OST16, OST21 and OST26 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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