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Jaw Couplings Shaft Collar in Shell
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JSC - Set Screw Jaw Coupling w/ Keyway

Set Screw Jaw Coupling with Keyway

Features

  • Large torque capacity
  • Electrically isolating
  • Replaceable spider
  • Balanced design
  • Bore tolerance: +.002" / -.000"
  • Maximum speed: 8,000 RPM
  • Temperature Range: -10°F to 180°F
   distributor

How to Specify

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

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 sixteenths of an inch:

order jsc

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

order jd
Clamp Jaw Couplings
Set Screw Jaw Couplings
 

Hubs

  Click part number for 3D CAD file
Aluminum Bore B (in) OD (in) Hub Length
LH (in)		 Coupling Length
L (in)		 Shaft Penetration
(in)		 Keyway (in) Set Screw
JSC16-6-A 0.3750 1.000 0.467 1.390 0.467 3/32 M4
JSC16-8-A 0.5000 1/8
JSC21-6-A 0.3750 1.313 0.590 1.750 0.590 3/32 M4
JSC21-8-A 0.5000 1/8
JSC21-10-A 0.6250 3/16
JSC26-6-A 0.3750 1.625 0.710 2.086 0.710 3/32 M5
JSC26-8-A 0.5000 1/8
JSC26-10-A 0.6250 3/16
JSC26-12-A 0.7500 3/16
JSC32-8-A 0.5000 2.000 0.820 2.400 0.820 1/8 M6
JSC32-10-A 0.6250 3/16
JSC32-12-A 0.7500 3/16
JSC32-14-A 0.8750 3/16
JSC32-16-A 1.0000 1/4
JSC36-8-A 0.5000 2.250 1.130 3.150 1.130 1/8 M8
JSC36-10-A 0.6250 3/16
JSC36-12-A 0.7500 3/16
JSC36-14-A 0.8750 3/16
JSC36-16-A 1.0000 1/4
JSC36-18-A 1.1250 1/4
JSC36-20-A 1.2500 1/4

Spiders

  Click part number for 3D CAD file
Part
Number		 OD (in) Durometer/
Color		 Torsional
Stiffness
(Deg/lb-in)		 Nominal
Torque
(lb-in)		 Peak
Torque
(lb-in)		 MISALIGNMENT
Angular (Deg) Parallel (in) Axial Motion (in)
JD10/15-98R 0.590 98 Shore A/RED .121 8 16
0.8
0.002
0.020
JD12/19-98R 0.750 98 Shore A/RED .114 15 30
0.8
0.003
0.020
JD16/25-98R 1.000 98 Shore A/RED .024 75 150
0.8 0.003 0.030
JD21/33-98R 1.313 98 Shore A/RED .012 87 174
0.8 0.003 0.030
JD26/41-98R 1.625 98 Shore A/RED .006 165 330
0.8 0.004 0.050
JD32/51-98R 2.000 98 Shore A/RED .004 275 550
0.8 0.005 0.050
JD36/57-98R 2.250 98 Shore A/RED .003 410 820
0.8 0.004 0.050
JD10/15-92Y 0.590 92 Shore A/YELLOW .270 5 10
0.9 0.004 0.020
JD12/19-92Y 0.750 92 Shore A/YELLOW .257 9 18
0.9 0.004 0.020
JD16/25-92Y 1.000 92 Shore A/YELLOW .067 29 58
0.9 0.005 0.030
JD21/33-92Y 1.313 92 Shore A/YELLOW .045 35 70
0.9 0.005 0.030
JD26/41-92Y 1.625 92 Shore A/YELLOW .012 97 194
0.9 0.006 0.050
JD32/51-92Y 2.000 92 Shore A/YELLOW .005 220 440
0.9 0.006 0.050
JD36/57-92Y 2.250 92 Shore A/YELLOW .004 285 570
0.9 0.005 0.050
JD10/15-85B 0.590 85 Shore A/BLUE .450 2.4 4.8
1 0.005 0.020
JD12/19-85B .750 85 Shore A/BLUE .406 5 10
1 0.005 0.020
JD16/25-85B 1.000 85 Shore A/BLUE .108 15 30
1 0.006 0.030
JD21/33-85B 1.313 85 Shore A/BLUE 0.075 18 36
1 0.006 0.030


Note 1 Hardware is alloy steel with black oxide finish. Parts have two set screws 90° apart.
Note 2 Performance ratings are for guidance only. The user must determine suitability for a particular application.

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