📋 Product details
Suspension spring for longcase clocks, wall clocks & regulators
Replacement pendulum suspension spring made of metal for longcase clocks, wall clocks and regulators. Available individually or as an assortment set.
High-quality replacement parts for large clocks – available individually or as a set
📦 Scope of delivery
Pendulum suspension spring – available individually or as a set, according to your selection.
⚠️ How to choose the right size
The values in the dropdown menu stand for:
Width (mm) – overall length (mm) – pin spacing center to center (mm)
💡 Tip: Measure your old suspension spring before ordering!
📐 Individual suspension springs – technical data
Suspension spring type 2
| Width | 11.20 mm |
| Overall length | 26.75 mm |
| Pin spacing (center to center) | 21.70 mm (19.70 mm) |
| Thickness | 1.38 mm |
| Spring thickness / blade thickness | 0.04–0.05 mm |
| Pin diameter | 1.0 mm |
| Hole diameter | 1.0 mm |
| Pin height | 7.05 mm |
| Weight | 2.6 g |
Metal suspension springs – standard types (width approx. 8 mm)
| Type | Pin spacing | Blade thickness | Pin length | Width | Overall length |
|---|---|---|---|---|---|
| Type 99 | 10.5 mm | 0.05 mm | 6.8 mm | 8.0–8.1 mm | 14.95–15.05 mm |
| Type 22 | 11.5 mm | 0.04 mm | 6.8 mm | 8.0–8.1 mm | 15.5–15.6 mm |
| Type 3737 | 12.0 mm | 0.04 mm | 6.8 mm | 7.9–8.05 mm | 16.5–16.7 mm |
| Type 33 | 12.5 mm | 0.05 mm | 6.8 mm | 8.0–8.1 mm | 16.55–16.7 mm |
| Type 1717 | 13.0 mm | 0.04 mm | 6.8 mm | 8.0–8.1 mm | 18.0–18.1 mm |
| Type 44 | 13.5 mm | 0.05 mm | 6.8 mm | 8.0–8.1 mm | 17.5–17.6 mm |
| Type 55 | 14.5 mm | 0.05 mm | 6.8 mm | 7.9–8.1 mm | 18.55–18.7 mm |
| Type 201 | 14.5 (12.0) mm | 0.05 mm | 6.8 mm | 7.95–8.05 mm | 19.20–19.30 mm |
| Type 66 | 15.5 mm | 0.06 mm | 6.8 mm | 7.9–8.1 mm | 19.7–19.75 mm |
| Type 2121 | 16.0 mm | 0.06 mm | 6.8 mm | 7.9–8.1 mm | 21.0–21.1 mm |
| Type 77 | 16.5 mm | 0.06 mm | 6.8 mm | 7.9–8.1 mm | 20.0–20.1 mm |
All standard types: pin diameter approx. 1.0 mm | thickness approx. 1.0 mm | bore of type 201: ø1.2 mm
Metal suspension springs – large types (width 10–17 mm)
| Type | Pin spacing | Blade thickness | Pin length | Width | Overall length | Thickness |
|---|---|---|---|---|---|---|
| Type 4242 | 17.5 mm | 0.07 mm | 6.8 mm | 14.1–14.2 mm | 24.85–25.0 mm | 1.0–1.1 mm |
| Type 4747 | 18.0 mm | 0.06 mm | 7.8 mm | 12.1–12.2 mm | 23.55–23.65 mm | 1.05–1.15 mm |
| Type 4949 | 19.5 mm | 0.06 mm | 6.8 mm | 10.05–10.2 mm | 23.8–23.9 mm | – |
| Type 4343 | 20.0 mm | 0.07 mm | 7.8 mm | 14.15–14.30 mm | 27.85–27.95 mm | 1.0–1.1 mm |
| Type 4343x | 20.5 mm | 0.07 mm | 7.8 mm | 14.05–14.20 mm | approx. 28.05 mm | 1.0–1.1 mm |
| Type 4141 | 20.5 mm | 0.07 mm | 7.8 mm | 17.05–17.15 mm | 27.6–27.7 mm | 1.0–1.1 mm |
| Type 4141x | 20.3 mm | 0.07 mm | 7.8 mm | 17.05–17.15 mm | approx. 27.4 mm | 1.0–1.1 mm |
| Type 4040 | 26.0 mm* | 0.07 mm | 6.8 mm | 14.0–14.2 mm | 32.7–32.8 mm | – |
*Type 4040: pin spacing measured from the pin to the outer hole | pin diameter for all: approx. 1.0 mm
📦 Suspension spring assortments (sets)
Suspension spring assortment: 18-piece set
| Contents | 12× H×W approx. 21×9 mm + 6× H×W approx. 18.5×9 mm |
| Pin diameter | approx. 1 mm |
| Quality | Average (images are examples) |
⚠️ Dimensions are approximate and may vary.
Suspension spring assortment: 11-piece set
| Dimensions (H×W) | Quantity |
|---|---|
| approx. 35 × 15 mm | 1 piece |
| approx. 36 × 5 mm | 1 piece |
| approx. 33 × 5 mm | 1 piece |
| approx. 29.5 × 5 mm | 1 piece |
| approx. 29 × 5 mm | 1 piece |
| approx. 21 × 9 mm | 4 pieces |
| approx. 18.5 × 9 mm | 2 pieces |
Pin diameter: approx. 1 mm | Quality: average
Suspension spring assortment: 8-piece set (type 22-77 + 10 + 307)
Width of all springs: 7.9–8.1 mm
| Type | Pin spacing | Blade thickness |
|---|---|---|
| Type 22 | 11.5 mm | 0.04 mm |
| Type 33 | 12.5 mm | 0.05 mm |
| Type 44 | 13.5 mm | 0.05 mm |
| Type 55 | 14.5 mm | 0.05 mm |
| Type 66 | 15.5 mm | 0.06 mm |
| Type 77 | 16.5 mm | 0.06 mm |
| Type 10 | 12.5 mm | 0.06 mm |
| Type 307 | 12.5 mm | 0.04 mm |
🚚 Shipping & Delivery
🌍 International Shipping
- ✈️ Shipping with tracking
- 📍 Item ships from Germany
- 🎁 Free shipping to many countries from €150 – shipping costs ›



























