Ronstan Series 30 Ball Bearing Orbit Block™ - Single - Becket - Swivel Shackle Head

The Ronstan Series 30 Ball Bearing Orbit Block with single becket and swivel shackle head is a precision rigging component engineered for vehicle recovery, winch systems, and heavy-load applications where mechanical advantage and durability are non-negotiable. Whether you're building a custom off-road recovery setup, installing a marine winch system, or fabricating a multi-line pulley assembly on a truck bed or trailer, this block delivers the strength-to-weight ratio professional mechanics and fabricators demand when reducing load stress on frame and anchor points.

This Ronstan block achieves exceptional performance through composite-reinforced polymer construction combined with precision ball bearing internals, eliminating friction and enabling smooth load transfer even under sustained tension. The swivel shackle head rotates freely, preventing line twist and binding—critical when managing multiple wraps or changing load angles during recovery operations. The single becket configuration allows for flexible rigging arrangements, and the ball bearing orbit design distributes load forces evenly across the block's internal structure, extending service life and maintaining predictable performance across repeated cycles. Weighing just 0.1 lbs with compact 2 x 1 x 4 inch dimensions, it integrates seamlessly into tight spaces without sacrificing load capacity.

Off-road enthusiasts, professional recovery operators, and marine riggers benefit most from this component's lightweight durability and corrosion-resistant materials. Installation is straightforward: attach via the shackle head to anchor points, deadeyelet plates, or auxiliary rigging gear, then run line through the becket. The swivel action prevents capsize and maintains optimal line angle, reducing wear on both rope and attachment points. Compatible with synthetic and natural fiber rope systems, this block pairs seamlessly with winch accessories, snatch blocks, and multi-line recovery configurations on trucks, trailers, and watercraft applications.