80 mm Roller Bearing Block - Double, Swivel Optimist Length: 87 mm

Length: 87 mm

Stainless steel ball bearings ensure smooth

The 70 mm Plain Bearing Block - Single Becket is designed for high strength and performance on medium sized boats

That means

80 mm Roller Bearing Block - Double, Swivel Optimist Length: 87 mmThe RBB80 Double Roller Bearing Block is designed for high load, dynamic applications. Made with top quality materials like machined black anodised aluminium and Torlon roller bearings, it ensures durability and performance under all conditions. The marine grade stainless shaft is swiveling but can be fixed in 0 or 90 position with a set screw. It is hollow and chamfered to reduce weight and the shackle is optimized with a 6 mm body and 8 mm pin. All