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Ronstan RF30101 Series 30 Ball Bearing Block Single Loop Top

Manufacturer

Ronstan

Picture for manufacturer Ronstan

Part Number

RF30101
12 reviews
03/12/2036 12:33 AM
Sale Price

$16.40

In Stock (7)

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Usually delivered within 2 days

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Product Details

The Ronstan Series 30 Ball Bearing Block with single loop top head fitting delivers high-performance, low-friction operation for dinghies, catamarans, and yacht control line systems. This compact 30mm block features a sophisticated 2-stage ball bearing system that maintains consistent performance across the full working load range.

Key Features:

  • Advanced 2-stage ball bearing system for minimal friction and consistent performance
  • High static and dynamic load capacity with 300kg (660 lbs) maximum working load
  • Breaking load of 750kg (1,650 lbs) for reliable safety margin
  • Lightweight construction at just 28g (1.0 oz)
  • Acetal or Torlon ball bearings for exceptional smoothness
  • Versatile loop top head fitting can accept a shackle in two planes for proper alignment
  • UV-stabilized Acetal sheave resists sun damage and degradation
  • Impact-modified, fiber-reinforced, UV-stabilized Nylon cheeks
  • Marine-grade 316 stainless steel load straps and fittings

Specifications:

  • Sheave Diameter: 30mm (1-3/16 inches)
  • Maximum Rope Diameter: 8mm (5/16 inches)
  • Maximum Working Load: 300kg (660 lbs)
  • Breaking Load: 750kg (1,650 lbs)
  • Weight: 28g (1.0 oz)

Applications:

  • Primary lead blocks on dinghies and catamarans
  • Control lines on larger yachts
  • Any application requiring lightweight, high-performance turning blocks

Ronstan's Series 30 blocks are engineered for sailors who demand reliability and performance. The combination of premium materials, precision ball bearings, and marine-grade hardware makes this block ideal for both racing and cruising applications.

It was okay. Product doesn't completely look brand new, but I hope it does the job.

Fast check out..

so far so good

Simple and efficient checkout.

In-depth details. Fair price. Convenience. Amazon compatibility. Very nice.

Just recieved my order and the pit jug and spout were perfect. The shipping was very fast and it was by far the best price I could get on these products. Autoplicity is great.

So far so good...

Fast

W]wwwwww

I have searched for this part all day I called and the people on the phone were very polite. If they have this part and ship it fairly quickly I will definitely be using this company in the future.

They had two items that I wanted in stock with the lowest price I've seen online anywhere, and had super affordable shipping options.

Authentic, hard to find item listed for the least expensive price online! Good customer service and fast shipping time!!

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