Allen Brothers 20mm Dynamic Bearing Block with Swivel
Pickup available at 1830 East Interstate 30
Usually ready in 24 hours
Shipping and Delivery
Free shipping for orders of $98 or more (US Continental)
- Free shipping for orders of $750 or more (International)
- Add 3 business days to the standard shipping time for USPS deliveries.
- UPS and FedEx Ground usually take 2 to 5 business days for in-stock orders.
- UPS and FedEx deliver on Saturdays only for Friday overnight shipments, which may incur an extra
charge. - Orders that apply for free shipping will be delivered between 8 and 10 business days.
- International customers will be responsible for any applicable import duties,fees, or taxes.
- Oversized items like whisker poles, spinnaker poles, and tracks over 7 feet require freight shipping, with an estimated cost of $500 depending on the destination.These orders must be delivered to a
commercial address, such as a marina, yacht club, or boatyard where your sailboat is located.
A recipient must be present to sign for the delivery upon arrival,For more info, Click Here.
Allen Brothers 20mm Dynamic Bearing Block with Swivel
20mm Double Dynamic Block with Swivel Head
The 20mm Double Dynamic Block with Swivel Head offers low friction, fast rolling speeds, and exceptional strength in a lightweight package. Ideal for dinghies, windsurfers, kitesurfers, and other applications using small-diameter lines.
Part of our Dynamic Block range, it is the preferred choice for systems that require constant sheave movement and maximum efficiency.
Swivel Head
- Fork head swivel allows the block to rotate freely under load
- Ideal where pulling forces change direction
- Swivel cannot be locked
Dynamic Bearings
- Patented bearing system with twin rows of stainless steel ball bearings
- Stainless steel bearing race for superior load capacity and longevity
- Smoother and more durable than plastic race bearing systems
Integrated Becket
- Large central rivet reduces overall weight
- Rope-friendly attachment point
- Ideal as a tie-off point in cascade systems
Technical Description
| Accessories | Swivel, Fork |
| Bearing Type | Dynamic |
| Configuration | Double |
| Maximum Line Diameter | 6 mm |
| Breaking Load | 350 kg |
| Height | 12 mm |
| Length | 56 mm |
| Pin Size | 4 mm |
| Width | 20 mm |
| Maximum Working Load | 225 kg |
| Sheave Diameter | 20 mm |
| Weight | 36 g |
Allen Brothers 20mm Dynamic Bearing Block with Swivel
20mm Double Dynamic Block with Swivel Head
The 20mm Double Dynamic Block with Swivel Head offers low friction, fast rolling speeds, and exceptional strength in a lightweight package. Ideal for dinghies, windsurfers, kitesurfers, and other applications using small-diameter lines.
Part of our Dynamic Block range, it is the preferred choice for systems that require constant sheave movement and maximum efficiency.
Swivel Head
- Fork head swivel allows the block to rotate freely under load
- Ideal where pulling forces change direction
- Swivel cannot be locked
Dynamic Bearings
- Patented bearing system with twin rows of stainless steel ball bearings
- Stainless steel bearing race for superior load capacity and longevity
- Smoother and more durable than plastic race bearing systems
Integrated Becket
- Large central rivet reduces overall weight
- Rope-friendly attachment point
- Ideal as a tie-off point in cascade systems
Technical Description
| Accessories | Swivel, Fork |
| Bearing Type | Dynamic |
| Configuration | Double |
| Maximum Line Diameter | 6 mm |
| Breaking Load | 350 kg |
| Height | 12 mm |
| Length | 56 mm |
| Pin Size | 4 mm |
| Width | 20 mm |
| Maximum Working Load | 225 kg |
| Sheave Diameter | 20 mm |
| Weight | 36 g |
