Selden Blocks – BBB40 Single Cam Swivel

BBB’s are used where the loads are more moderate & dynamic. The ball bearings provide for good sheave rotation with the lowest possible friction. Available in 20, 30, 40, and 60 mm sheave diameters. 20/30/40

Snap shackle 40 (404-040-01) makes it easy to remove the block when needed. It can be fitted to all Selden BBB 40 blocks.

  • Stainless steel strap to ensure high strength & stiff sides.
  • Stainless steel ball bearing races, stainless steel ball bearings & acetal sheave for best bearing strength even under high dynamic loads.
  • Acetal bearing cages to prevent ball-to-ball friction & to reduce weight.
  • Glass fibre reinforced composite.
  • Acetal ball bearings for light weight.
  • Acetal sheave.



Weight: 100.00 g

Safe working Load: 90 kg

Breaking Load: 180 kg

Max line size: mm

Pin diam: mm

Shackle diam: mm

System: BBB40

Block type: singleCam

Additional information

Weight 1 lbs
Dimensions 3 × 2 × 4 in