Ronstan Series 50 Utility - Ball Bearing
Series 50 All Purpose Block - Single - Universal Head
All purpose (AP) blocks are a great all-around solution. Self-lubricating Acetal polymer sheaves running on polished stainless-steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Captive Lock universal head can be fixed in either of two planes, or free to swivel as required
Features:
- Exceptionally high working loads
- Low maintenance, long service life
- Self-lubricating sheave
- Captive Lock universal head
- Slotted pin shackle eliminates fouled lines
Applications:
Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10M(33\')
Materials:
- Nylatron® sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and U.V. resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 50mm(2")
Max. Rope Ø: 12mm(1/2")
Max. Pin Ø: 5mm(3/16")
M.W.L.: 750kg(1,650lbs)
B. L.: 1,500kg(3,310lbs)
Weight: 118g(4.1oz)
Series 50 All Purpose Block - Single - Universal Head with Becket
50 Series BB Single block with becket
Pulley diameter: 50mm
Maximum line diameter: 12mm
Pin diameter: 5mm
Maximum working load: 500kg
Breaking load: 1500kg
Weight: 133g
FEATURES
Low friction, 2-stage ball bearing system provides consistent performance over the full load range.
High static and dynamic load capacity.
Light weight.
Captive Lock™ universal head can be fixed at 0 or 90 degrees, or left free to swivel 360 degrees.
Cheek cut-outs for easy bearing maintenance.