Allen 40mm Dynamic Ball Bearing Blocks


40mm Single Block with Swivel Plate & Spring


Allen 40mm Single Block with Swivel Plate & Spring

The 40mm dynamic ball bearing block is an essential piece of equipment with a range of applications suitable for mainsheet, jib, spinnaker and vang systems. It has been designed with a clever stainless steel anchor strap and allen dynamic ball bearing technology for performance and durability.
  • Line friendly soft contours and articulation
  • stainless steel cheeks and inner bearing systems handle maximum loads
  • central hole for tie-on becket
Part Description Length
Max Line
Dia mm
Load kg
MDL Weight
AL-2040-4222-A Single block with swivel plate and spring 78 10 800 180 69






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ISO 9001 logo ProBoat Ltd
Burnham Business Park,
Burnham - on - Crouch,

Phone - +44 (0)1621-785455
E mail - info@proboat.co.uk



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