Sheave Pac Bearing Assembly for Oil & Gas Drilling RigsThe Timken Sheave Pac bearing assembly provides an innovative maintenance solution for oil and gas drilling rig crown and traveling blocks and riser tensioners. Preset, pre-greased, and unitized, Timken Sheave Pac helps improve employee safety, increase uptime, simplify installation and virtually eliminates maintenance. Design Attributes: Preset, pre-greased, assembled and sealed at the factory eliminating the risk of improper bearing setting and contamination and reduces the potential for bearing damage.Unitized assembly contains the bearing cones, bearing cup, triple-lip seals and grease simplifying installation.Sealed-for-life design eliminates frequent inspections and re-lubrication improving employee safety, uptime and productivity.Dimensionally interchangeable with current industry-standard bearing assemblies and seals, requiring no modification of the sheave bore.Designed to operate within existing industry-standard snap ring and groove dimensions.