100 mm Roller Bearing Block - Single, Soft attachment

The RBB100 Single Roller Bearing Block is built for extreme loads and dynamic applications, featuring a large 100 mm sheave. Made from machined black anodized aluminium and equipped with Torlon® roller bearings, this block provides superior strength and smooth operation.Polymer thrust bearings resist side loads, and a polymer washer insulates stainless from aluminium to prevent corrosion. 

The block is made for Soft-attachment applications which means a lashing, preferably in Dyneema, that makes for a tight, non-rattling and noiceless installation. Ideal for German sheeting (gooseneck blocks), top block in a backstay cascade and more.

Seldén Roller Bearing Blocks (RBB) is our performance range and ideal for spinnaker trim, backstays, halyards and German sheeting.

The blocks respond instantly to maintain delicate trimming and smooth manoeuvres for the trimmer to endure driving the boat forward for longer periods of time. 

Safe working Load: 3500 kg
Breaking Load: 7000 kg
Max line size: 16 mm

More information

Visit our Support website for instructions for assembly and operations, detailed technical information, service manuals, sparepart lists and list of retailers. Click here