NNEXMACHAI COMPONENT SUPPLY
Robotics Components

Coupling Kit — Curved-Jaw Coupling

from $4.90 / pc · qty pricing on request

Aluminium curved-jaw couplings with red elastomer spider — 20-55mm OD, bores from 4-30mm. Connect motors to lead screws, encoders and shafts with zero backlash.

Ordering 20+ units?Volume pricing & OEM options — ask for a bulk quote.
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TypeCurved-jaw (curved-jaw spider)
MaterialAluminium hubs + elastomer spider
OD Range20 - 55 mm
Bore Range4 - 30 mm (custom)
ApplicationServo motor / lead screw / encoder / shaft
MOQ2 pcs
4-30mmBore Range
AluHubs
LowBacklash

Quick answers

What bore sizes are available?

Any bore from 4-30mm — specify D1/D2 shaft diameters at checkout.

What is the MOQ?

2 pcs; coupling kits for drive builds usually order 4-8.

Is there backlash?

Curved-jaw design gives minimal backlash — suitable for positioning applications.

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