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Controlled soft closing

WW20J4S

Rotary Damper WW20J4S

Zinc-alloy shaft rotary damper for controlled lid movement.

Special torque customization available
Reference dimensions
Ø21.5 mm max profile / 37 mm overall length
Published torque
1.0–4.0 N·m
Uniwise WW20J4S Rotary Damper WW20J4S

Product data

Specifications

These values are published from the current Uniwise product data. Final movement and fit should be confirmed with the actual mechanism and sample testing.

Torque
1.0–4.0 N·m
Rotation
CW / CCW variants
Operating angle
Opening 115° / closing -5°
Dimensions
Ø21.5 mm max profile / 37 mm overall length
Shaft / mechanism
zinc alloy
Material
Shaft: zinc alloy; housing: PBT+GF
Application
Toilet seat / appliance / custom lid
MOQ
Contact us
Customization
Special torque customization available

Reference dimensions

These values are transcribed from the technical drawing stored with this product. Use them to screen mechanical fit, then verify the full drawing before tooling or mass production.

Maximum body profile: Ø21.5 mm
Overall length: 37 mm
Length stack: 3 + 22 + 12 mm
Input profiles: Ø20 / Ø15.5 mm
Output profile: 11.8 × 7.9 mm
Slot width: 4.8 mm
Samples, order quantities & supply information

Application support

Confirm this model for your application.

Send the model number and installation details. We will review the fit and supply options.

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