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Ronstan Series 40 BB / HL Blocks


RONSTAN Blocks - High Load Size 40 - Overview

Ultimate High & Static Load Performance - Ronstan Series 40 High Load Blocks are based upon the same race winning design concept as the Ronstan high performance Ball Bearing blocks, but utilise a full contact bearing for ultimate performance in high load or prolonged static load applications.

The Ideal Block for High Load Applications - Wear resistant sheave materials, either in lightweight, self lubricating polymer or in alloy with special purpose bushes, are suitable for use with rope or wire. High Load blocks provide outstanding static load performance and are typically used for halyards, backstays, etc.


  • Halyards
  • Backstays
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)

  • Nylatron® sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and U.V. resistant, fibre reinforced Nylon cheeks

  • currency magicCurrency:
    RONRF319 - Ronstan Standup Spring 32mm High x 16.3mm ID
    Code: RONRF319
    Original Price: $3.60
    Price: $2.75
    RONRF40000HL - Ronstan Series 40 HL Sheave, Nylatron, OD40mm x W14mm x ID8mm
    Code: RONRF40000HL
    Original Price: $24.70
    Price: $18.90
    RONRF40100HL - Ronstan Series 40 HL Block, Single
    Code: RONRF40100HL
    Original Price: $51.50
    Price: $39.40
    RONRF41010 - Ronstan Series 40 Replacement Becket & Pin
    Code: RONRF41010
    Original Price: $8.20
    Price: $6.27
    RONRF41011 - Ronstan Series 40 Replacement Becket, Pin, Split Ring
    Code: RONRF41011
    Original Price: $17.50
    Price: $13.39
    RONRF44000 - Ronstan Series 40 BB Sheave, Alloy, OD40mm x W10mm x ID6.2mm
    Code: RONRF44000
    Original Price: $66.90
    Price: $51.18
    RONRF6170 - Ronstan Snap Shackle Adaptor, Suits Series 55 Orbit BB
    Code: RONRF6170
    Original Price: $69.95
    Price: $53.51
    RONRF6171 - Ronstan Snap Shackle Adaptor,Trunnion, Suits Series 55 Orbit BB
    Code: RONRF6171
    Original Price: $87.50
    Price: $66.94
    RONRF94A - Ronstan Saddle, Flared 4.8mm Clearance
    Code: RONRF94A
    Original Price: $3.60
    Price: $2.75

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