Wichard Ball Bearing Block Single Loop Top w/ Fixed Eye

WICHARD SINGLE BALL BEARING BLOCKS - FIXED EYE

• 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
• The sheave can be removed for maintenance

APPLICATIONS

• 70113 & 71113:
• For dinghies and catamarans applications: genoa sheets, boom vang, footmast block, masthead block
• For larger yachts: barber-hauler, various, control lines
• 72113 to 74113:
• Mainsail systems and travelers
• Spinnaker sheets
• Genoa sheets
• Running backstays

MATERIALS

• 70113 & 71113:
• Grade 316L stainless steel head
• Delrin® ball bearings
• configuration
• Grade 316L stainless steel load straps
• Polycarbonate cheeks
• Composite sheave
• 72113 to 74113:
• 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

SPECIFICATIONS

Part no. 70113: Single ball bearing block - Sheave 18 - Fixed eye

• Rope size: 4
• Length (mm): 35
• Width (mm): 18
• Thickness (mm): 14
• Sheave diameter (mm): 18
• Working load (kg): 240
• Breaking load (kg): 500
• Weight (g): 11

Part no. 71113: Single ball bearing block - Sheave 25 - Fixed eye

• Rope size: 6
• Length (mm): 49
• Width (mm): 25
• Thickness (mm): 18
• Sheave diameter (mm): 25
• Working load (kg): 320
• Breaking load (kg): 600
• Weight (g): 19

Part no. 72113: Single ball bearing block - Sheave 35 - Fixed eye

• Rope size: 8
• Length (mm): 65
• Width (mm): 37
• Thickness (mm): 23
• Sheave diameter (mm): 35
• Working load (kg): 320
• Breaking load (kg): 900
• Weight (g): 51

Part no. 73113: Single ball bearing block - Sheave 45 - Fixed eye

• Rope size: 10
• Length (mm): 78
• Width (mm): 49
• Thickness (mm): 26
• Sheave diameter (mm): 45
• Working load (kg): 400
• Breaking load (kg): 900
• Weight (g): 83

Part no. 74113: Single ball bearing block - Sheave 55 - Fixed eye

• Rope size: 12
• Length (mm): 98
• Width (mm): 63
• Thickness (mm): 29
• Sheave diameter (mm): 55
• Working load (kg): 720
• Breaking load (kg): 1500
• Weight (g): 138