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All Categories > Motor Accessories > Flexible Couplings > Helical H Series Stainless Steel Couplings > Item # HCR125-16-12  
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Item # HCR125-16-12, 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

125

Outside Diameter (D)

1 1/4 in

Length (L)

1.62 in

Size (+0.002 in/-0.000 in)

0.500 in
12.70
mm

Bore Designator

16

Momentary Dynamic Torque

77 lb·in

Torsional Rate

0.071 degree/lb·in

Inertia

26.0 lb.in.sec2

Screw Size1

10 - 32

Seating Torque

56 lb·in

Center Line

0.22 in

Min. Size

0.313 in
7.94
mm

Max. Size

0.625 in
15.88
mm

Max. Bore Diameter

0.669 in
17.00
mm

Bore Depth

0.51 in
12.95
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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