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  • Metric dimensions and fasteners
  • Available in 7075-T6 aluminum alloy or 17-4 PH corrosion- resistant steel
  • General purpose
If you are working in the metric world, the W Series is for you. It combines the best features of the A Series and the H Series, with the convenience of metric dimensions and fasteners for your metric based designs. The W Series can be used in a wide range of applications from driving components with light torque requirements, such as encoders and tachometers (aluminum), to lead screws and pumps requiring greater torque (stainless steel).

Helical W Series Stainless Steel Couplings

Unit of Measure

Product Type

 N/A Coupling

Series

 N/A W7C

Material

 N/A 17-4 High Strength Stainless Steel

Finish

 N/A Natural

Outside Diameter Designator

 N/A 25

Outside Diameter (D)

 N/A 25 mm

Length (L)

 N/A 30 mm

Bore Diameter

 N/A 8.00 mm0.250 in

Bore Designator

 N/A 8 mm

Momentary Dynamic Torque

 N/A 5.5 N·m

Torsional Rate

 N/A 0.82 degree/N·m

Inertia

 N/A 0.84 x 10-5 kg.cm.sec2

Screw Size

 N/A M3 x 0.5

Seating Torque

 N/A 2.0 N·m

Center Line

 N/A 3.8 mm

Min. Size

 N/A 6.00 mm

Max. Size

 N/A 10.00 mm

Max. Bore Diameter

 N/A 14.56 mm

Bore Depth

 N/A 8.55 mm

Features

 N/A
  • Metric dimensions and fasteners
  • Available in 7075-T6 aluminum alloy or 17-4 PH corrosion-resistant steel
  • General purpose
If you are working in the metric world, the W Series is for you. It combines the best features of the A Series and the H Series, with the convenience of metric dimensions and fasteners for your metric based designs. The W-Series can be used in a wide range of applications from driving components with light torque requirements, such as encoders and tachometers (aluminum), to lead screws and pumps requiring greater torque (stainless steel).

Note

 N/A
  1. Shaft misalignments:
    Angular 5 degrees
    Parallel Offset 25 mm. (0.50 mm T.I.R)
    Axial Motion ±0.25 mm.
  2. Manufacturing dimensional tolerances unless otherwise specified are:
    x ± 0.5 mm
    x.x ± 0.25 mm
  3. keyways available on the 40 mm and 50 mm OD only.

Shaft

 N/A 0.25 in


Additional-Information

Attachment Methods

Helical W Series Stainless Steel Couplings (w7c25)

Internal Configuration

Ordering Information-W Series