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All Categories > Motor Accessories > Flexible Couplings > Helical H Series Stainless Steel Couplings > Item # HCR087-10-8  
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Item # HCR087-10-8, Helical H Series Stainless Steel Couplings


  • 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.



Unit of Measure: Imperial Metric Both

 Specifications   Additional Information   Customize   

Product Type
Coupling

Series
HCR

Type
Integral Clamp Attachment

Material
17-4 PH High Strength Stainless Steel

Finish
Natural

Outside Diameter Designator
087

Outside Diameter (D)
7/8 in

Length (L)
1.06 in

Size (+0.002 in/-0.000 in)
0.313 in
7.95 mm

Bore Designator
10

Momentary Dynamic Torque
30 lb·in

Torsional Rate
0.15 degree/lb·in

Inertia
4.1 lb.in.sec2

Screw Size1
6 - 32

Seating Torque
19 lb·in

Center Line
0.15 in

Min. Size
0.138 in
3.50 mm

Max. Size
0.315 in
8.00 mm

Max. Bore Diameter
0.444 in
11.27 mm

Bore Depth
0.31 in
7.87 mm

Note
  1. Shaft misalignments:
    Angular 5 degrees
    Parallel Offset 0.030 in. (0.060 in. T.I.R)
    Axial Motion ±0.010 in.
  2. Manufacturing dimensional tolerances unless otherwise specified are:
    fraction ± 1/64
    x.xx ± .01 in.
  3. With integral clamp attachments only, this bore size requires an operating clearance diameter greater than coupling outside diameter.
1 Metric Fasteners available on request


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