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Ronstan
is a renowned pulley manufacturer that offers quality in all its components. The Ronstan 64500 is a lightweight and strong double
pulley with bottom attachment point, perfect to make pulley blocks. The pulleys offer very little friction and high loads. 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 steel 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.
These pulleys are not initially designed to
bear human weight. Use with caution, with approval from a professional.
The advantage of Universal Bearing
·       Â
Dynamic and high static
load performance
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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, and maintains low friction performance.
·       Â
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. It is particularly
important for cheek blocks.
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Features
·        Â
Class leading performance
and sleek, contemporary styling
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Excellent dynamic and high
static load performance
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Less than half the friction
of the nearest competitor
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Durable aluminum alloy
cheek plates
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Central hub hole can be
used as a Becket take-off or tie-up point
·        Â
Universal head with full
3-axis articulation
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Head posts can be locked at
0 or 90 degrees, by using a 2.5mm Hex/Allen Key
·        Â
Alloy Rope/Wire sheave version
also available
Technical specifications
·       Â
Sheave:
2-3/8 in. + 1.18 in. (60 mm + 30 mm)
·       Â
Max
Rope: ½ in. (12.7 mm)
·       Â
Max
Working Load (non Human): 2Â 200 LB (1 000 KG)
·       Â
Max
Working Load (human Rigging) 882 LB (400 KG)
·       Â
Min
Breaking Load: 4Â 410 LB (2Â 004 KG)
·       Â
Weight:
12.5 oz. (355 grams)
If you have any other questions Contact us, we'll gladly help you
- Stock: 21
- Model: RON64500
- SKU: RS-RON64500