Introducing the new range of Series 40 ball bearing Orbit Blocks™

RF48109 and RF48109HL feature a rotating cheek for optional snatch block functionality © Ronstan International

Ronstan Series 40 Orbit Blocks © Cate Brown

Ronstan's new 40mm block range, featuring 23 configurations, provides class-leading dynamic and static load ratings. Lightweight and strong toughened glass fibre reinforced nylon cheeks combine with a 2-stage bearing system to ensure the best possible performance at an impressive weight. A perfect balance of strength, performance and reliability.

Maximum working loads for the new Series 40 Orbit Blocks™ range from 400kg to 1000kg (HHL versions).

The increased working loads in the range create opportunity for more applications on larger boats. The new blocks feature a wider sheave profile able to accommodate lines up to 10mm. Blocks in this range are suitable for mainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans, and sportsboats to 8m (26ft); halyard, vang and backstay applications on boats to 9m (30ft) and control line applications on larger yachts. Multiple sheave configurations allow users to create up to a 12:1 purchase mainsheet system for performance multihulls.

For more information visit www.ronstan.com.

High Load versions feature a high strength grade 2205 stainless steel sheave and hub, paired with a triple bearing race to maintain low friction at very high loads - photo © Ronstan International