Double ball bearing block - Sheave 55 - Swivel head
Part #74205
Double ball bearing block - Sheave 55 - Swivel head
Part #74205
Description
Complete range of ball bearing blocks
Modern design
Innovative design with two lateral races of ball bearings
Smooth running for low load adnhigh speed action
Under high load the hub runs on stainless steel bush which allows the sheave to run freely
Light cheeks protecting the sheave
Wide choice of fastenings thanks to the universal head
Modern design
Innovative design with two lateral races of ball bearings
Smooth running for low load adnhigh speed action
Under high load the hub runs on stainless steel bush which allows the sheave to run freely
Light cheeks protecting the sheave
Wide choice of fastenings thanks to the universal head
Applications
Mainsail systems and travelers
Spinnaker sheets
Genoa sheets
Running backstays
Spinnaker sheets
Genoa sheets
Running backstays
Technical information
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Materials
Grade 316L stainless steel head configuration
Grade 316L stainless steel load straps
POM cheeks
Delrin® ball bearings
Composite saddle for cam models
Composite sheave
Terminal (shackle i.e…): 316L stainless steel grade - Rope size Pour cordage de 12 mm
- Length (mm) 119
- Width (mm) 63
- Thickness (mm) 52
- Sheave diameter (mm) 55
- Schackle diameter (mm) 6
- Working load (kg) 800
- Breaking load (kg) 1500
- Weight (g) 315
Caption
Working load (WL) : for nautical applications
Working Load Limit (WLL): for industrial applications only.
The safety factor is 5 times the breaking load.
WLL = Breaking load / 5
CAD file
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