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Zero Backlash Couplings
 
MJSC - Metric Set Screw Jaw Coupling (keyway)
  • Large torque capacity
  • Electrically isolating
  • Replaceable spider
  • Balanced design

Ordering Information

  • For a complete coupling, order two hubs and one spider.
  • For example: order MJC19-4-A, MJC19-5-A and JD12/19-98R to form a complete coupling with a 19mm OD, 4mm and 5mm bores and a 98 Shore A spider.
Clamp Style Jaw Couplings
Set Screw Style Jaw Couplings
 

Hubs

PART NUMBER ALUMINUM BORE B (mm) OD (mm) HUB LENGTH   LH (mm)  COUPLING   LENGTH L   (mm) SHAFT PENETRATION   (mm) KEYWAY (mm) SET SCREW
MJSC25-10-A 10 25.4 11.9 35.4 11.9 3 M4
MJSC25-12-A 12 4
MJSC33-10-A 10 33.3 15.0 44.3 15.0 3 M4
MJSC33-12-A 12 4
MJSC33-14-A 14 5
MJSC33-15-A 15 5
MJSC33-16-A 16 5
MJSC41-10-A 10 41.3 18.0 53.0 18.0 3 M5
MJSC41-12-A 12 4
MJSC41-14-A 14 5
MJSC41-15-A 15 5
MJSC41-16-A 16 5
MJSC41-20-A 20 6
MJSC51-12-A 12 50.8 20.8 61.0 20.8 4 M6
MJSC51-14-A 14 5
MJSC51-15-A 15 5
MJSC51-16-A 16 5
MJSC51-20-A 20 6
MJSC51-25-A 25 8
MJSC57-14-A 14 57.2 28.7 80.0 28.7 5 M8
MJSC57-15-A 15 5
MJSC57-16-A 16 5
MJSC57-20-A 20 6
MJSC57-25-A 25 8
MJSC57-30-A 30 8


Spiders

PART NUMBER OD (mm)

DUROMETER/COLOR

 TORSIONAL STIFFNESS (Deg/Nm) NOMINAL TORQUE   (Nm) PEAK TORQUE   (Nm) MISALIGNMENT
ANGULAR (Deg) PARALLEL (mm) AXIAL MOTION (mm)
JD10/15-98R 15.0 98 Shore A/RED 1.068 0.9 1.8
0.8 0.05 0.51
JD12/19-98R 19.1 98 Shore A/RED 1.007 1.7 3.4
0.8 0.08 0.51
JD16/25-98R 25.4 98 Shore A/RED 0.212 8.5 17.0
0.8 0.08 0.76
JD21/33-98R 33.3 98 Shore A/RED 0.106 9.9 19.7
0.8 0.08 0.76
JD26/41-98R 41.3 98 Shore A/RED 0.053 18.7 37.4
0.8 0.10 1.27
JD32/51-98R 50.8 98 Shore A/RED 0.035 31.2 62.3

0.8

0.13

1.27
JD36/57-98R 57.2 98 Shore A/RED 0.026 46.5 92.9

0.8

0.10

1.27
JD10/15-92Y 15.0 92 Shore A/YELLOW 2.384 0.6 1.1

0.9

0.10

0.51
JD12/19-92Y 19.1 92 Shore A/YELLOW 2.269 1.0 2.0

0.9

0.10

0.51
JD16/25-92Y 25.4 92 Shore A/YELLOW 0.592 3.3 6.6

0.9

0.13

0.76
JD21/33-92Y 33.3 92 Shore A/YELLOW 0.397 4.0 7.9

0.9

0.13

0.76
JD26/41-92Y 41.3 92 Shore A/YELLOW 0.106 11.0 22.0
0.9

0.15

1.27
JD32/51-92Y 50.8 92 Shore A/YELLOW 0.044 24.9 49.8

0.9

0.15

1.27
JD36/57-92Y 57.2 92 Shore A/YELLOW 0.035 32.3 64.6

0.9

0.13

1.27


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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