Ronstan Series 60 Core Block – Single – Becket

Series 60 Core Block – Single – Becket

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 optimisation and the cut-away design minimises 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, minimising rope wear.

Universal head
The head assembly incorporates a brass bearing washer to provide smooth 360 rotation of the post and shackle. A set screw arrangement allows the head to be locked at 0 or 90.

Shackles are high quality forged grade 316 stainless steel.

Features:

• Class leading performance and sleek, contemporary styling
• Excellent dynamic and high static load performance
• Less than half the friction of the nearest competitor
• Universal head with full 3-axis articulation
• Head posts can be locked at 0 or 90 degrees, by using a 2.5mm Hex/Allen Key
• Central hub hole can be used as a becket take-off or tie-up point

Applications:

• Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 12M (40′)
• Various control line applications on larger yachts

Materials:

• Sheave: U.V. stabilized Acetal
• Cheek body: Aluminium Alloy
• Ball Bearings: High compression strength carbon black Acetal
• Shackle, head post & hub: Grade 316 stainless steel
• Pin: 2205 Stainless Steel

Specifications:
Sheave :60mm(2-3/8″)
Max. Rope :12mm(1/2″)
Pin :6mm(1/4″)
M.W.L.:1,000kg(2,200lbs)
B. L.:2,000kg(4,410lbs)
Weight:275g(9.7oz)

The Ronstan core module is a true all-round solution. The tuned two-stage bearing system has an integrated thrust bearing function and flexibility to cope with high dynamic or static loads, and can provide excellent performance over the entire working load range. The choice of acetal and aluminum pulleys, alloy cheeks and stainless steel fixtures complete the durable packaging. For reliability and long service life considerations, these building blocks are the right choice for cruising and racing sheets, slings and control line applications. !!!!—-
PRODUCT ID: 55261
SKU: NVN-55261
CSKU: CWR-55261
REWRITE: 66372-ronstan-series-60-core-block-153-single
MPN: RF64110
UPC: 9316800446063
ASIN: B005MZA3QO
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NAME: Ronstan Series 60 Core Block – Single – Becket
NAME_EX: RONSTAN SERIES 60 CORE BLOCK SINGLE BECKET
PTITLE: Ronstan Series 60 Core Block – Single – Becket
TYPE: Sailing | Blocks
VENDOR: Ronstan
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