Blocks & Pulleys

Blocks & Pulleys, Single, loop head, Series 40 - RF41101

Blocks & Pulleys, Single, universal head, Series 40 – RF41101

MSRP $19.94

Ronstan series 40 all purpose pulleys are a great choice for any application where high static or dynamic loads require a low friction, long lasting solution. Available in single, double and triple with multiple format heads and beckets.

In Stock

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SKU: RF41100-1. Categories: , , .

All Purpose Heavy Duty Pulley is designed for any application where high load capacity and low friction are needed. This pulley can be found in a number of different applications. reliability and longevity are needed.

  • Self lubricating acetal polymer sheave ensures low friction and extreme durability
  • high static and dynamic load capabilities
  • few moving parts means long service life, virtually maintenance free
  • Single blocks feature Captive Lock universal head that can be fixed at 0 or 90 degrees or left free to swivel
  • Double and Triple blocks have swivel shackle head for 360 degree rotation (non-locking)
  • Removable becket pins allow lines to be spliced prior to fitting and are locked into position without the use of split rings or tools.

All metal hardware on this block is corrosion resistant 316 stainless steel.

  • Large Static loads (non-moving and holding)
  • Large Dynamic loads (moving and variable)
  • Block and Tackle Systems
  • Lifting, hoisting and holding items aloft



Sheave Ø : 1.57” (40 mm)
Max. Rope Ø : 7/16” (10 mm)
Pin Ø : --” (-- mm)
M.W.L. : 882lbs. (400 kg)
B. L. : 2,204lbs. (1000 kg)
Weight : 1.9oz. (54 g)


IDP0106 IDP0132 IDP0133

  • U.V. stabilised Acetal sheaves
  • Impact and U.V. resistant, fibre reinforced Nylon cheeks
  • Grade 316 stainless steel bearing race
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fibre reinforced Nylon cheeks
Ronstan International Inc
45 High Point Avenue, #2 Portsmouth
Portsmouth Rhode Island 02871
+1 (401) 293 0539 $$$
Ronstan International Inc
45 High Point Avenue, #2 Portsmouth
Portsmouth Rhode Island 02871
+1 (401) 293 0539 office@ronstan.us