SELDÉN PLAIN BEARING BLOCKS

 

 

 

APPLICATIONS

Plain bearing blocks are typically used for heavy and static loads in:

  • Halyard tuning
  • Mainsheet systems
  • Boom vang

 

FEATURES PBB 50/60

  

FEATURES PBB 70/80
 
  1. Stainless steel straps for increased safety
  2. Practical switch from swivelling to fixed shackle.
  3. Torsional rigid cheeks in glass fibre filled composite prevents jamming.
  
  1. Bronze bushing (PBB 80)
  2. Teflon bushing
  3. Glass fibre reinforced sheave with Teflon bushing.

 

PBB16/PBB20

Small blocks designed for flag lines, lazy jacks and similar applications.

PBB40

40 mm sheave diameter and a safe working load of 350 kg.

PBB50

50 mm sheave diameter and a safe working load of 700 kg.

PBB60

60 mm sheave diameter and a safe working load of 1100 kg. Available with quick-lock option.

PBB70

70 mm sheave diameter and a safe working load of 1500 kg.

PBB80

80 mm sheave diameter and a safe working load of 2000 kg.

PBB100

Our largest plain bearing block featuring Delrin ball bearings to absorbe side loads. 100 mm sheave diameter block and a safe working load of 4000 kg.

PBB60/80 Quick Lock

Plain bearing cheek blocks with a spring loaded locking arm for temporary locking of a line.

APB60

Aluminium blocks with ø60 mm plain bearing sheave, supported by ball bearings to compensate for side load.