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  • High torque capacity
  • High fatigue resistance
  • Corrosion resistant steel (CRES)
The H Series coupling is ideal when high strength, excellent fatigue resistance and high torsional stiff ness is called for in your application. The H Series' premium performance capability is designed for applications requiring a heavy-duty coupling, such as drive systems, small pumps and gear boxes.

  • No maintenance
  • Shaft sizes from 3/32 to 3/4
An array of options, in a variety of diameter sizes, allows you to tailor the A or H Series to your specific applications. A and H Series options include set screw or integral clamp attachments and inch or metric bores.
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Item #

Outside Diameter Designator

Outside Diameter (D)

Bore Designator

Momentary Dynamic Torque

Torsional Rate

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HCR050-3-3 N/A 050 N/A 1/2 in N/A 3 N/A 7.5 lb·in N/A 0.36 degree/lb·in Add To Cart
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HCR050-4-3 N/A 050 N/A 1/2 in N/A 4 N/A 7.0 lb·in N/A 0.48 degree/lb·in Add To Cart
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HCR050-4-4 N/A 050 N/A 1/2 in N/A 4 N/A 7.0 lb·in N/A 0.48 degree/lb·in Add To Cart
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HCR062-4-4 N/A 062 N/A 5/8 in N/A 4 N/A 14 lb·in N/A 0.19 degree/lb·in Add To Cart
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HCR062-5-4 N/A 062 N/A 5/8 in N/A 5 N/A 13 lb·in N/A 0.24 degree/lb·in Add To Cart
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HCR062-5-5 N/A 062 N/A 5/8 in N/A 5 N/A 13 lb·in N/A 0.24 degree/lb·in Add To Cart
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HCR062-6-4 N/A 062 N/A 5/8 in N/A 6 N/A 12 lb·in N/A 0.31 degree/lb·in Add To Cart
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HCR062-6-5 N/A 062 N/A 5/8 in N/A 6 N/A 12 lb·in N/A 0.31 degree/lb·in Add To Cart
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HCR062-6-6 N/A 062 N/A 5/8 in N/A 6 N/A 12 lb·in N/A 0.31 degree/lb·in Add To Cart
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HCR075-4-4 N/A 075 N/A 3/4 in N/A 4 N/A 21 lb·in N/A 0.11 degree/lb·in Add To Cart
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HCR075-5-4 N/A 075 N/A 3/4 in N/A 5 N/A 20 lb·in N/A 0.13 degree/lb·in Add To Cart
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HCR075-5-5 N/A 075 N/A 3/4 in N/A 5 N/A 20 lb·in N/A 0.13 degree/lb·in Add To Cart
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HCR075-6-4 N/A 075 N/A 3/4 in N/A 6 N/A 20 lb·in N/A 0.16 degree/lb·in Add To Cart
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HCR075-6-5 N/A 075 N/A 3/4 in N/A 6 N/A 20 lb·in N/A 0.16 degree/lb·in Add To Cart
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HCR075-6-6 N/A 075 N/A 3/4 in N/A 6 N/A 20 lb·in N/A 0.16 degree/lb·in Add To Cart
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HCR075-8-4 N/A 075 N/A 3/4 in N/A 8 N/A 17 lb·in N/A 0.25 degree/lb·in Add To Cart
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HCR075-8-5 N/A 075 N/A 3/4 in N/A 8 N/A 17 lb·in N/A 0.25 degree/lb·in Add To Cart
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HCR075-8-6 N/A 075 N/A 3/4 in N/A 8 N/A 17 lb·in N/A 0.25 degree/lb·in Add To Cart
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HCR075-8-8 N/A 075 N/A 3/4 in N/A 8 N/A 17 lb·in N/A 0.25 degree/lb·in Add To Cart
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HCR087-6-6 N/A 087 N/A 7/8 in N/A 6 N/A 37 lb·in N/A 0.072 degree/lb·in Add To Cart
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HCR087-8-6 N/A 087 N/A 7/8 in N/A 8 N/A 34 lb·in N/A 0.1 degree/lb·in Add To Cart
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HCR087-8-8 N/A 087 N/A 7/8 in N/A 8 N/A 34 lb·in N/A 0.1 degree/lb·in Add To Cart
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HCR087-10-6 N/A 087 N/A 7/8 in N/A 10 N/A 30 lb·in N/A 0.15 degree/lb·in Add To Cart
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HCR087-10-8 N/A 087 N/A 7/8 in N/A 10 N/A 30 lb·in N/A 0.15 degree/lb·in Add To Cart
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HCR087-10-10 N/A 087 N/A 7/8 in N/A 10 N/A 30 lb·in N/A 0.15 degree/lb·in Add To Cart
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