Ball Bearing


Series 50 Ball Bearing Block, Fiddle with Becket and Cam Cleat

Fiddle, becket, adjustable cleat, universal head


Low friction, 2-stage ball bearing system.

High static and dynamic load capacity.


Cheek cut-outs for easy bearing maintenance

Captive Lock™ universal head.

Slotted pin shackle eliminates fouled lines.

Snap fit removable becket pin.

Multi-position cleat arm


Product Specifications
Pin Ø (in)3/16
Max. Rope diameter (in)3/8
M.W.L. (lb)1100
Sheave diameter (in)2 1/8 + 1 5/16
B.L. (lb)3310
Weight (oz)11.8

Product Information

Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removeable so line can be spliced prior to fitting and is i

Technical Information


Typically used in direct 4:1 purchase systems such as mainsheets and boom vangs. On larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.



Acetal ball bearings. UV stabilised Acetal sheave. Grade 316 stainless steel load strap and head fitting. Impact and UV resistant, fibre reinforced Nylon cheeks


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