5/16″ 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 extremely light. The sheaves run on twin races of Delrin ball bearings for minimum friction. Usually employed on small boats for traveller purchase, boom vangs and barber haulers. Delrin cheeks, sheaves and ball bearings. AISI 316 SS load straps.

Ball Bearing Blocks 11.60

Single block spec: Sheave size 1 1/16″, Max. Line size 5/16″, Overall height 2″,
Weight 24gr or .84oz, Breaking load 750kg or 1,650lbs
Max. working load 150kg or 330lbs.

PART NUMBER DESCRIPTION PRICE
11.61Single w/becket$10.40
11.63Swivel w/shackle – breaking load 600kg or 1,320 lbs$13.00
11.64Swivel w/shackle & becket – breaking load 600kg or 1,320 lbs$16.00
11.66Double w/becket$23.50
11.67Triple$30.65
11.68Triple w/becket$32.45
11.69Single – thru deck$12.25
11.70Swivel block w/carbon fibre ball bearing cam cleat – (Holes 3/16″ – Axes 2″)$45.15
11.71Single cheek block (Holes 3.16″)$11.25
11.73Triple w/carbon fibre ball bearing cam cleat$54.90
11.74Triple w/becket and carbon fibre ball bearing cam cleat$56.90
11.752 11.60 blocks mounted on a Stainless Steel Ring$18.65
11.762 11.60 blocks linked together$16.50
11.77Pivoting lead block, max wire diam. 5/16”, hole diameter 3/16”, holes axes distance 1 9/64”$35.40
11.78Upright lead block, max wire diam. 5/16”, hole diameter 3/16”, holes axes distance 1 9/64”$15.00
11.79Upright lead double block, 5/16”, hole diameter 3/16”, holes axes distance 1 9/64”$17.00

kit for attaching block to deck strap with spring and washer.

PART NUMBER DESCRIPTION PRICE
24.23Spring$2.30
24.26Washer$2.30
35.02Deck strap/deck clip/eye strap$2.30



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