Skip to product information
1 of 1

Ronstan

Ronstan Series 30 Ball Bearing Block - Single - Loop Top

Ronstan Series 30 Ball Bearing Block - Single - Loop Top

SKU:55171

Regular price $25.40 USD
Regular price $25.91 USD Sale price $25.40 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

Low stock: 7 left

Quantity
Authorized Ronstan Dealer
Genuine product · full manufacturer warranty
Secure checkout via Shopify Payments
Series 30 Ball Bearing Block - Single - Loop Top

Features:
  • Low friction 2-stage ball bearing system provides consistent performance over the full working load range
  • High static and dynamic load capacity
  • Light weight
  • Versatile head fittings
  • Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction
  • Can be fitted with a shackle in either of two planes to allow correct alignment of the block


Applications:
  • Primary lead blocks on dinghies and catamarans
  • Control lines on larger yachts


Materials:
  • U.V. stabilized Acetal sheaves
  • Acetal ball bearings
  • Impact modified, fiber reinforced and U.V. stabilized Nylon cheeks
  • Grade 316 stainless steel load straps and head fittings


Specifications:
Sheave Ø: 30mm(1-3/16")
Max. Rope Ø: 8mm(5/16")
M.W.L.: 300kg(660lbs)
B. L.: 750kg(1,650lbs)
Weight: 28g(1.0oz)

Specifications

Manufacturer part number, dimensions and technical specs are listed in the product description above. Contact us if you need a spec sheet for this item.

Shipping & Returns

Fast, tracked shipping on in-stock items. Oversized and freight items may ship separately. See our return policy for details on eligible returns.

Warranty & Authorized Dealer

OutdoorsMarine is an authorized dealer. Every product is genuine and backed by the full manufacturer warranty.

View full details

Authorized dealer

Genuine products, full warranty.

Fast, tracked shipping

On in-stock marine gear.

Expert support

Talk to people who know the gear.

Secure checkout

Protected payments via Shopify.