RONSTAN S.30 BLOCK BB SINGLE SWIVEL

Ronstan Series 30 Ball Bearing Blocks. 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.

Features
•Low friction 2-stage ball bearing system provides consistent performance over the full working load range.
•High static and dynamic load capacity.
•Light weight
•Versatile head fittings
•Cheek cut-outs for easy bearing maintenance

Applications
•Primary lead blocks on dinghies and catamarans
•Control lines on larger yachts

Materials
•U.V. stabilised Acetal sheaves
•Acetal ball bearings
•Impact modified, fibre reinforced and U.V. stabilised Nylon cheeks
•Grade 316 stainless steel load straps and head fittings
•Acetal ball bearings
•UV stabilised Acetal sheave
•Grade 316 stainless steel load strap and head fitting
•Impact and UV resistant, fibre reinforced Nylon cheeks

SPECIFICATIONS:
Sheave Ø: 30 mm
Max. Rope Ø: 8 mm
Pin Ø: 4.0 mm
Max Working Load: 300 kg
Breaking Load: 750 kg
Weight: 34 g