This singlepiece assembly provides separate optical axis fixing combined with locking, limit bearing support, fixed spindle retaining ring, and bushing positioning and clamping. The unit is sized as Scsaw 30x55x15 and is sold as 1 piece. Key benefits Precise optical axis fixation: secures the optical axis to reduce misalignment during setup and operation. Secure locking and clamping: builtin locking and clamping functions help prevent drift and movement under load or vibration. Integrated retaining and guiding features: includes a fixed spindle retaining ring and bushing positioning to improve interface stability. Simplified assembly: a singlepiece design reduces parts to handle and lowers the risk of misassembly. Versatile for precision work: suitable for applications requiring repeatable positioning and stable axis guidance. Key attributes Functionality: Separate Optical Axis Fixing; Locking; Limit Bearing; Fixed Spindle Retaining Ring; Bushing Positioning; Clamping Size: Scsaw 30x55x15 Quantity: 1 piece Material: not specified in listing Compatibility: designed for interfaces matching the stated size and configuration Performance: enables stable axis positioning, secure retention, and reliable clamping in precision tasks Applications and use cases Optical alignment and metrology fixtures: use to fix and align a precise optical axis and clamp components for reliable measurement results. CNC spindle and bearing assemblies: provide a stable interface with a retaining ring and bushing positioning to reduce play and maintain alignment during operation. Bearing housing maintenance: serve as a precise locating and clamping element to secure axis guidance during assembly or servicing. Notes This description reflects the product's listed features and size (Size: Scsaw 30x55x15) and does not introduce additional specifications or claims beyond the listing.