Ronstan Series 45 Stand-Up Core Block - Swiveling [RF44140]
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
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Ronstan Series 45 Stand-Up Core Block - Swiveling [RF44140]

Available:Out of Stock
$121.95
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Series 45 Stand-Up Core Block - Swiveling

Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.

Universal Bearing

  • Dynamic and high static load performance
  • The Ronstan Universal Bearing incorporates our proven 2-stage bearing system
  • Stage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction
  • Stage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance
  • Additionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks
Alloy Cheek Plates
Block cheeks are manufactured from the highest quality alloy for maximum strength. Material optimization and the cut-away design minimizes weight and allows easy fresh water rinsing of salt and debris from the bearings.  Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimizing rope wear.

Features:
  • High dynamic and static load capacity
  • Efficient 2-stage bearing system
  • Ball bearings to counteract side thrust loads
  • Class leading performance and sleek, contemporary styling
  • Durable aluminium alloy cheek plates
  • Central hub hole can be used as a becket take-off or tie-up point
  • Features a strong cast padeye base with a swivel head post to allow full rotation and articulation
Applications:
  • Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 10M (33')
  • Various control line applications on larger yachts
  • Alloy sheave models are available for use with wire
Materials:
  • Sheave: U.V. stabilised Acetal
  • Cheek body: Aluminium Alloy
  • Ball Bearings: High compression strength carbon black Acetal
  • Shackle, head post & hub: Grade 316 stainless steel

Series 45 Stand-Up Core Block - Swiveling

Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.

Universal Bearing

  • Dynamic and high static load performance
  • The Ronstan Universal Bearing incorporates our proven 2-stage bearing system
  • Stage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction
  • Stage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance
  • Additionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks
Alloy Cheek Plates
Block cheeks are manufactured from the highest quality alloy for maximum strength. Material optimization and the cut-away design minimizes weight and allows easy fresh water rinsing of salt and debris from the bearings.  Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimizing rope wear.

Features:
  • High dynamic and static load capacity
  • Efficient 2-stage bearing system
  • Ball bearings to counteract side thrust loads
  • Class leading performance and sleek, contemporary styling
  • Durable aluminium alloy cheek plates
  • Central hub hole can be used as a becket take-off or tie-up point
  • Features a strong cast padeye base with a swivel head post to allow full rotation and articulation
Applications:
  • Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 10M (33')
  • Various control line applications on larger yachts
  • Alloy sheave models are available for use with wire
Materials:
  • Sheave: U.V. stabilised Acetal
  • Cheek body: Aluminium Alloy
  • Ball Bearings: High compression strength carbon black Acetal
  • Shackle, head post & hub: Grade 316 stainless steel

SHIPPING POLICY

WHEN WILL YOUR ITEMS SHIP?

We offer same day shipping for all orders received by 4:00 pm EST Monday - Friday. All orders are subject to a handling period before shipment, usually 1 - 2 business days.  All orders are shipped from our warehouses in the United States. We ship to the United States & Canada only.  

You will receive notification of shipment along with the tracking number for you shipment.  All orders are shipped via FEDEX, UPS or USPS.  Please allow 3 -7 business days to receive your order. Delivery times may vary depending on holidays, season and weather constraints. 

Orders may be cancelled if they have not been processed and shipped. After your orders have been processed they may not be cancelled.

Please make sure to provide the correct shipping address. Gadget Majig LLC will not be held responsible for items shipped to incorrect addresses provided by the buyer. In such cases, the buyer will be responsible for any additional shipping fees incurred to ship the product to the correct address.

Shipments to Canada will require import/customs taxes to be paid. These will be the responsibility of the buyer under ALL CIRCUMSTANCES. Gadget Majig LLC. and it's affiliates will not and is not responsible for customs taxes incurred by the buyer/purchaser of products on our platform.

HOW DO I TRACK MY ORDER?

You can track your order once it has been shipped by clicking here

WHERE ARE MY ITEMS COMING FROM?

All products ship from the United States.

WILL MY ITEMS BE SENT IN ONE PACKAGE?

For logistical reasons, items will sometimes be sent in separate packages. Please keep this in mind when receiving deliveries. If you have any other questions, please contact us.

 RETURN POLICY

Returns will be accepted within 30 working days of delivery. To initiate your return, please contact us at info@gadgetmajig.com to receive your returns number. Any unauthorized returns will result in refunds being delayed.

If your item is received damaged, we require you to first send us a picture showing the damage and upon inspection we will tell you whether it fits our criteria for replacement. Purchaser/Shopper/Buyer pays all shipping cost.

All items must be in an unused re-salable condition and in it's original packaging. We reserve the right to reject any return that does not fit this criteria.

If your item is in working condition, but you have ordered in error or no longer require the item then we reserve the right to charge a 50% restocking fee.

Please include the returns number we provide so that the refund can be properly processed. If you don't include the returns number then we can't guarantee that your refund will be processed.

Buyer is responsible for paying return shipping costs. We recommend using a traceable shipping service to ensure your return is delivered.