Imagine eliminating the need to re-grease the traveling block or crown block on your rig. What would your crew be able to accomplish with this increased uptime? In the past, maintenance personnel performed the challenging task of re-lubricating the crown and traveling blocks situated hundreds of feet above the rig platform. Timken Sheave Pac alleviates that job through our sealed-for-life sheave bearing assembly. Choose Timken Sheave Pac bearing assemblies to help increase safety for rig workers and improve rig profitability with less downtime.