This is a single piece eccentric bearing sleeve for cycloidal pinwheel reducers, designed to fit RN312M and RN219 models. It serves as an essential roller assembly accessory, providing the eccentric bearing function needed for proper cycloidal drive operation. Key benefits Maintains the precise eccentric offset required for smooth cycloidal motion and accurate output. Supports proper roller engagement, contributing to drive stability and consistent performance. Replacement part that helps extend the service life of the reducer and simplify maintenance. Key attributes Compatibility: RN312M and RN219 cycloidal reducers. Function: Overall eccentric bearing sleeve for the roller assembly. Quantity: 1 piece per package. Application: Cycloidal pinwheel reducer accessory used during maintenance or assembly. Material and dimensions: Not specified in the listing. For exact material and size, refer to the manufacturer specifications or datasheet. Use cases Replacement part when refurbishing an RN312M or RN219 cycloidal reducer to restore eccentric alignment. Maintenance or rebuild of a cycloidal drive in automation systems such as robotics, CNC machinery, or packaging equipment. Spare part stocking for reliabilityfocused workshops to minimize downtime during gear drive maintenance. Installation notes Install as a replacement component in the roller assembly of RN312M or RN219 drives. Ensure proper seating and alignment with the roller elements, and follow the original equipment manufacturer guidelines for installation and torque. Details on material and exact dimensions should be obtained from the product datasheet.