Rotational Dampers

Rotational dampers are machine elements that operate like mini-gears to slow down or inhibit the motions of moving pieces of machinery. They enable the controlled opening and closing of flaps, caps, lids and covers in machine equipment.

These dampers slow down circular movement to absorb impact, vibration and noise that may damage the equipment or prevent them from working at their best.

Damped stop gates (similar to latches) on these elements prevent noise and vibration from entering the machines. The high viscosity fluid inside the dampers absorbs the external shock and vibration.

Rotational dampers are more durable than linear dampers because they are sealed permanently.

What are rotational dampers used for?

Rotational dampers are used in industries that manufacture products like cabinets, vehicles, CD players and even toilet seats. Any product or device with a lid, hinge, pull-out drawer or flap can use these components to facilitate a smooth opening and closing motion.

Types of rotational dampers

Rotational dampers can have fixed or variable damping (absorption) rates.

These products are available in plastic or metal materials. Choosing the right type depends on the machinery they are to be used with.


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Description Price Torque Number of Gear Teeth Pitch Circle Diameter Minimum Operating Temperature Maximum Operating Temperature Type
RS Stock No. 793-3039
Mfr. Part No.FRN-D2-R152-G1
BrandACE
TWD712.00
Each
units
15±3Ncm 12 12mm 0°C +50°C Rotary Damper
RS Stock No. 793-3042
Mfr. Part No.FRN-D2-R501-G1
BrandACE
TWD831.00
Each
units
5±1Ncm 12 12mm 0°C +50°C Rotary Damper
RS Stock No. 793-3070
Mfr. Part No.FDT-63
BrandACE
TWD927.00
Each
units
6.7±0.7Nm - - -10°C +50°C Rotary Damper
RS Stock No. 793-2954
Mfr. Part No.FRT-G2-300-G1
BrandACE
TWD108.00
Each
units
0.3±0.08Ncm 14 7mm 0°C +50°C Rotary Damper
RS Stock No. 793-2932
Mfr. Part No.FRT-G2-200
BrandACE
TWD82.00
Each
units
0.2±0.07Ncm 14 7mm 0°C +50°C Rotary Damper
RS Stock No. 793-3045
Mfr. Part No.FRN-D2-L102
BrandACE
TWD680.00
Each
units
10±2Ncm 12 12mm 0°C +50°C Rotary Damper
RS Stock No. 793-3089
Mfr. Part No.FDN-63-R
BrandACE
TWD1,202.00
Each
units
8.5±0.8Nm - - -10°C +50°C Rotary Damper
RS Stock No. 793-2957
Mfr. Part No.FRT-G2-450-G1
BrandACE
TWD105.00
Each
units
0.45±0.1Ncm 14 7mm 0°C +50°C Rotary Damper
RS Stock No. 793-3083
Mfr. Part No.FDN-70-R
BrandACE
TWD1,548.00
Each
units
10±1Nm - - -10°C +50°C Rotary Damper
RS Stock No. 793-3073
Mfr. Part No.FDT-70
BrandACE
TWD965.00
Each
units
8.7±0.8Nm - - -10°C +50°C Rotary Damper
RS Stock No. 793-3109
Mfr. Part No.FDN-70-L
BrandACE
TWD1,327.00
Each
units
10±1Nm - - -10°C +50°C Rotary Damper
RS Stock No. 793-2935
Mfr. Part No.FRT-G2-300
BrandACE
TWD67.00
Each
units
0.3±0.08Ncm 14 7mm 0°C +50°C Rotary Damper
RS Stock No. 793-3064
Mfr. Part No.FRN-D2-L501-G1
BrandACE
TWD712.00
Each
units
5±1Ncm 12 12mm 0°C +50°C Rotary Damper
RS Stock No. 793-2991
Mfr. Part No.FRN-C2-L201-G1
BrandACE
TWD234.00
Each
units
2±0.6Ncm 11 8.8mm 0°C +50°C Rotary Damper
RS Stock No. 793-3051
Mfr. Part No.FRN-D2-L152-G1
BrandACE
TWD712.00
Each
units
15±3Ncm 12 12mm 0°C +50°C Rotary Damper
RS Stock No. 793-2910
Mfr. Part No.FRT-E2 - 300
BrandACE
TWD82.00
Each
units
0.3±0.08Ncm 10 6mm 0°C +50°C Rotary Damper
RS Stock No. 793-2998
Mfr. Part No.FRN-C2-L201
BrandACE
TWD257.00
Each
units
2±0.6Ncm 11 8.8mm 0°C +50°C Rotary Damper
RS Stock No. 793-3086
Mfr. Part No.FDN-57-R
BrandACE
TWD1,206.00
Each
units
5.5±0.3Nm - - -10°C +50°C Rotary Damper
RS Stock No. 793-3077
Mfr. Part No.FDN-47-R
BrandACE
TWD1,169.00
Each
units
2±0.3Nm - - -10°C +50°C Rotary Damper
RS Stock No. 793-2907
Mfr. Part No.FRT-E2-100
BrandACE
TWD82.00
Each
units
0.1±0.05Ncm 10 6mm 0°C +50°C Rotary Damper