130 mm Roller Bearing Block - Single, Swivel. Quick-Lock The System 30 Self-Tacking Double

The System 30 Self-Tacking Double Car is designed for Seldén 30 mm Self-tacking system

The 40 mm sheave is supported by stainless steel ball bearings

A ball-joint allows for perfect

with a row of stainless steel bearings for smooth operation

The polymer washer insulates stainless components from aluminium to prevent corrosion

130 mm Roller Bearing Block - Single, Swivel. Quick-Lock The System 30 Self-Tacking DoubleThe RBB130 Single Roller Bearing Block is built for extreme loads and dynamic applications, featuring a large 130 mm sheave. Made from machined black anodized aluminium and equipped with Torlon roller bearings, this block provides superior strength and smooth operation. The swiveling shaft can be fixed at 0 or 90 with a set screw. Polymer thrust bearings resist side loads, and a polymer washer insulates stainless from aluminium to prevent corrosion.