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Ronstan RF40100 Series 40 Ball Bearing Block Single with Universal Head

Manufacturer

Ronstan

Picture for manufacturer Ronstan

Part Number

RF40100
13 reviews
04/02/2036 11:09 PM
Sale Price

$24.04

4 left at this price

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Usually delivered within 2 days

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Product Details

The Ronstan Series 40 Ball Bearing Block is a high-performance single block featuring a 2-stage ball bearing system that delivers consistent low-friction operation across the full load range. The sheaves run on Acetal ball bearings for smooth performance and reliability in marine applications.

Key Features:

  • Low-friction Acetal bearing system for smooth operation
  • Captive Lock universal head can be fixed in two planes or left free to swivel
  • Lightweight design at just 2.5 oz (70g)
  • Cheek cut-outs provide easy access for bearing maintenance
  • Slotted pin shackle prevents line fouling
  • 40mm (1-9/16") sheave diameter accommodates rope up to 10mm (7/16")

Construction:

  • U.V. stabilized Acetal sheaves with Acetal ball bearings
  • Impact and U.V. resistant fiber-reinforced Nylon cheeks
  • Grade 316 stainless steel load strap and head fitting
  • Maximum Working Load: 350kg (770 lbs)
  • Breaking Load: 1,000kg (2,200 lbs)

Applications: Ideal for mainsheet, halyard, vang, and spinnaker control lines on off-the-beach catamarans, one-design classes, and sportsboats up to 8M (26'). The universal head design provides versatile mounting options for various rigging configurations.

Specifications: Sheave Diameter: 40mm (1-9/16") | Max Rope Diameter: 10mm (7/16") | Pin Diameter: 5mm (3/16") | Weight: 70g (2.5 oz)

The proof is in the pudding. I await your follow through.

I like the estimate shipping button

Good price, communication good but not great. Shipped promptly.

Thanks. Best price + shipping I found.

Easy and fast

Great prices, but the checkout process was a little clunky

1st order with Autoplicity. Very easy and very fast shipping. Highly recommended.

Cheapest I could find anywhere !!!

CHECK OUT WAS EASY.

I ordered a windshield wiper fluid reservoir. It came on time and was the product I needed. It fit perfectly and works great.

Great place to do business with! Exactly what I ordered for a great price and even showed up 3 days early. You can not ask for anymore than this!!!!!

good so far. just placed order

The web site could use some updating or either there is a Glitch somewhere. I had to call to check on my order but it was already being shipped. They were on he ball, I just believe they are having computer troubles. Autoplicity had the best price I could find On my Bully Dog. Thanks Again!!

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