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Gearboxes
Gearboxes

Jaw Flexible Coupling

Elastomeric jaw coupling for connecting electric motors to pumps, gearboxes, and other driven machinery. Absorbs shock, vibration, and minor misalignment.

Sizes

L035 โ€“ L225 (14 sizes)

Torque Range

0.5 โ€“ 5,500 Nยทm

Bore Range

6 mm โ€“ 90 mm

Spider Materials

NBR (standard), PU (high torque), Hytrel (high temp)

In Stock

Product Details

Key Features

  • โœ“Elastomeric spider element absorbs shock and vibration
  • โœ“Compensates for angular, parallel, and axial misalignment
  • โœ“Fail-safe design โ€” spider fails before connected equipment
  • โœ“No lubrication required, maintenance-free operation

Technical Specifications

SizesL035 โ€“ L225 (14 sizes)
Torque Range0.5 โ€“ 5,500 Nยทm
Bore Range6 mm โ€“ 90 mm
Spider MaterialsNBR (standard), PU (high torque), Hytrel (high temp)
Jaw couplings are the workhorse of industrial power transmission โ€” simple, reliable, and cost-effective. The three-piece design consists of two metal hubs and a replaceable elastomeric spider. ## Spider Options - **NBR (Nitrile Rubber)** โ€” Standard material, good damping, -40ยฐC to +80ยฐC - **Polyurethane (PU)** โ€” Higher torque capacity, better chemical resistance - **Hytrel (TPE)** โ€” High temperature to +120ยฐC, excellent fatigue life ## Misalignment Tolerance | Type | NBR Spider | PU/Hytrel Spider | |------|-----------|------------------| | Angular | 1.0ยฐ | 0.5ยฐ | | Parallel | 0.38 mm | 0.25 mm | | Axial | ยฑ1.0 mm | ยฑ0.5 mm | This makes jaw couplings ideal for standard motor-pump and motor-gearbox connections where perfect alignment is impractical.

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