Ronstan

Series 40 BB Block, Double

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Ronstan

Series 40 BB Block, Double

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Features
- Low friction, 2-stage ball bearing system provides consistent performance over the full load range.
- Light weight.
- Cheek cut-outs for easy bearing maintenance.
- Removable becket pins allow lines to be spliced prior to fitting and are locked into position without the use of split rings or tools.
- High Load blocks feature a Nylatron sheave suitable for both rope and wire.
- Captive Lock universal head can be fixed at 0∞ or 90∞, or left free to swivel.
- Low profile stand-up block has swivel head post to allow full articulation and rotation.
- Clevis Pin head block has an alloy sheave with oversize Torlon ball bearings to minimise friction.
- Snap shackle adapters suit single and fiddle blocks and are available in standard and trunnion versions.

Applications
- Mainsheet, halyard, vang and spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft).

Construction
- Acetal ball bearings.
- Alloy sheave versions use Torlon ball bearings.
- U.V. stabilised Acetal sheaves. High Load blocks have a self lubricating Nylatron sheave.
- Impact modified, fibre reinforced and U.V. stabilised Nylon cheeks.
- Grade 316 stainless steel load straps and head fittings.


Sheave Diam: 40mm
Max Rope: 10mm
M.W.L. : 500kg
B.L. : 1200kg
Weight: 134g

After ordering online, you will receive an email confirmation containing your order details from sales@arnoldsboatshop.com.au. Your order will be confirmed within a few minutes of placing your order.

It is our policy to ensure we deliver to our customers in a timely manner. In order to achieve this we use a range of freight companies depending on the size and weight of your order. In some instances we may use a number of carriers to get your products to you. For example chain may come by road, some electronic equipment by air.

Orders delivered to Australian Post Codes under $499 attract an $18.00 shipping charge. Orders of $499 or more ship free.

International orders will be charged at $0.00 initially and our staff will be in contact with a shipping quote. If the quote is not accepted the customer reserves the right to cancel their order and be refunded in full.

Should you have any queries or concerns about shipping, please contact us and we will have someone get back to you.