This linear ball bearing provides linear motion along a shaft through recirculating ball tracks housed in a closed, lightweight outer body. Bore diameter is 16.0 mm, outside diameter 26.0 mm, and net mass 28.96 g. The design is sealed on all sides, protecting the raceways from contamination while retaining lubricant inside the housing. A relubrication facility allows grease to be replenished without dismantling the bearing from its application, supporting continued operation without full disassembly. The adjustable angle feature accommodates a degree of misalignment between the bearing and shaft axis, easing installation where exact parallelism cannot be guaranteed. The closed, sealed construction makes it suitable for use where axial sliding motion with low friction is required and where protection of the internal ball tracks from dust and debris is needed.