Ronstan Series 50 Ball Bearing Block, Single Becket, Universal HeadLow friction, 2 stage ball bearing system
High static and dynamic load capacity
Cheek cut-outs for easy bearing maintenance
Captive Lock universal head
Slotted pin shackle eliminates fouled lines
Snap fit removable becket pin
Sheave Ø - 2 in.
Max. Rope Ø - 1/2 in.
Max. Cable Ø - in
Pin Ø - 3/16 in.
M.W.L. - 1100 lb.
B. L. - 3310 lb.
Weight - 4.7 oz.
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.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Becket pin is removeable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools
Halyards and other primary applications on boast upt o 10m (33 ft)
Acetal ball bearings
UV stabilized Acetal sheave
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks