Polymer-tech SolutionsTM
CSB-BAL® plastic spherical plain bearings possess inherent self-aligning compensation capability, which can offset coaxiality errors introduced during assembly and counteract edge loads generated during mechanism operation, preventing localized stress concentration that causes rapid component wear. The products feature a self-lubricating composite structure, require no grease injection, offer corrosion and salt spray resistance, and are available in both composite-material-base and stainless-steel-base versions. They provide a large oscillation angle and are suited for reciprocating hinged oscillating motion. Mechanism design frequently encounters assembly misalignment in multi-bar hinge structures; metal spherical plain bearings require regular grease maintenance and are prone to rust and seizure in harsh environments. CSB-BAL® plastic spherical plain bearings are widely used in humanoid robot joints, automated hinged tooling, construction machinery auxiliary mechanisms, agricultural machinery, and hinge points in new energy equipment. At the connecting rod hinge positions of humanoid robots, they enable low-noise, maintenance-free oscillation; in outdoor agricultural machinery, they resist rainwater and salt spray, significantly reducing ongoing maintenance workload.