1/4″ Ball Bearing Blocks by Viadana

Sail Care is proud to offer this great and innovative line of ball bearing blocks and other sailboat hardware from Viadana. Since 1961 they have been deeply involved in research, design, manufacturing, and marketing of top quality innovative hardware for sailors and their boats. 

These ball bearing blocks are light and compact. Ideal on small boats for control lines, boom vang and numerous applications. Made of Delrin cheeks, sheaves and ball bearing. AISI 316 SS load straps.

Single block spec:

  • Sheave size 7/8″
  • Max line size 1/4″
  • Overall height 1 3/4″
  • Weigh 17gr or .60 oz
  • Breaking load 700kg or 1,540 lbs
  • Max working load 100kg or 220lbs
Ball Bearing Blocks 10.50
PART NUMBER DESCRIPTION PRICE
10.50Single$7.00
10.51Single w/becket$8.40
10.52Swivel – breaking load 450kg or 990 lbs$9.90
10.54Double w/becket$20.40
10.56Triple$25.00
10.57Triple w/becket$26.50
10.59Single thru-deck$11.90
10.60Swivel on curved base – Stanchion mount – fits 7/8" to 1"$14.90
10.63Triple w/carbon fibre ball bearing cam cleat$47.50
10.64Triple w/becket & carbon fibre ball bering cam cleat$49.00
10.65Single cheek block (holes 5/32")$10.20
10.762 10.50 blocks linked together$14.00


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