Very convenient and practical external C type retaining ring for 48, 50, 52 mm shafts. Key features - Material and type: Carbon steel Mn65, C Type Retaining Ring (external shaft circlip) - Size compatibility: M48, M50, M52 versions for 48 mm, 50 mm, and 52 mm outside diameters - Easy installation: Open the rings, pass them over the end of a shaft, and release to spring into the groove for secure retention - Designed for external shaft grooves: Specifically suited for outside external shaft circlip applications - Model designation: Circlip5 Benefits - Quick and straightforward installation and removal, enabling faster maintenance and servicing - Reliable retention in shaft grooves to prevent axial movement of attached components - Durable construction with carbon steel Mn65 to resist wear in demanding environments - Flexible compatibility across three common shaft sizes to reduce inventory variety Specifications touched by use - Sizes: 48 mm, 50 mm, 52 mm outside diameters - Material: Carbon steel Mn65 - Type: C Type Retaining Ring for external shaft grooves - Fit: External shafts with corresponding groove dimensions 2-3 practical use scenarios - Securing pulleys, gears, or sprockets on drive shafts in conveyors and manufacturing equipment with 48–52 mm shafts - Replacing worn retaining rings during routine maintenance of machinery, enabling fast reassembly without special tools - Used in automotive and general mechanical assemblies where quick, reliable shaft retention is required and space is limited Installation guidance - Choose the correct size (48, 50, or 52 mm) for the shaft - Open the ring, place it over the shaft end, and release to snap into the groove - Ensure the ring sits fully in the groove before operation