Manufacturer part #: RF50200 1
Technical Description
Series 50 BB Double Block
2 in
50 mm
1/2 in
12 mm
1/4 in
6 mm
1760 lb
800 kg
4410 lb
2000 kg
9 oz
254 g
Manufacturer part #: RF50200
Low friction, 2-stage ball bearing system High static and dynamic load capacity Lightweight Cheek cut-outs for easy bearing maintenance Captive Lock™ universal head Slotted pin shackle eliminates fouled lines Snap fit removable becket pin 
Sheaves running on Acetal or Torlon° ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Head can be locked at 0° or 90° by engaging the grub screw in either the 0 or 90 degree position.
Applications
Mainsheet Spinnaker sheets Halyards and other primary applications on boats up to 10 m (33 ft) Materials
Acetal ball bearings UV stabilised Acetal sheave Grade 316 stainless steel load strap and head fitting Impact and UV resistant, fibre reinforced Nylon cheeks
Sheaves running on Acetal or Torlon° ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Head can be locked at 0° or 90° by engaging the grub screw in either the 0 or 90 degree position.
Applications