50 mm Plain Bearing Block - Double, Swivel Length 31 mm Thread size: 1¼"

Thread size: 1¼"

The RBB60 Double Roller Bearing Block is designed for high load

providing reliable and precise rig tuning in line with Seldén's guidelines

we have reduced the risk of the thread seizing up under heavy loads

The Seldén BBB20 Triple Ball Bearing Block is designed for control lines on dinghies and keelboats

50 mm Plain Bearing Block - Double, Swivel Length 31 mm Thread size: 1¼"The 50 mm Double Plain Bearing Block is designed for medium sized boats for numerous applications. It features an acetal sheave, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Safe working Load: 650 kg Breaking Load: 1300 kg Max line size: 12 mm