Ronstan RF44100 Series 45 Core Block Single
Ronstan RF44100 Series 45 Core Block Single
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NZ
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The Ronstan RF44100 Series 45 Core Block Single is
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.
Ronstan RF44100 Series 45 Core Block Single Features:
Ronstan RF44100 Series 45 Core Block Single Specifications:
Ronstan RF44100 Series 45 Core Block Single Features:
- Dynamic and high static load performance
- The Ronstan Universal Bearing incorporates our proven 2-stage
bearing system
- Efficient 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
- 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
- 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
- Applications:
- Ideal for mainsheet, halyard and spinnaker sheet applications
on boats to 10m (33ft)
- Various control line applications on larger yachts
- Alloy sheave models are available for use with wire
- Ideal for mainsheet, halyard and spinnaker sheet applications
on boats to 10m (33ft)
Ronstan RF44100 Series 45 Core Block Single Specifications:
- Sheave diameter: 45 mm
- Max. Rope diameter:12 mm
- M.W.L.: 700 kg
- B. L.: 1400 kg
- Weight: 104 g
- Materials:
- Sheave: U.V. stabilised Acetal
- Cheek body: Aluminium Alloy
- Ball Bearings: High compression strength carbon black
Acetal
- Shackle, head post and hub: Grade 316 stainless steel
- Sheave: U.V. stabilised Acetal
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