Adjustable clearance linear bushing LM122130AJ, LM metric series, 12 mm inside diameter, 21 mm outside diameter, high carbon steel body and retainer, no seal, single linear slide unit
✔️ LM122130AJ LM metric series, 12 mm ID, 21 mm OD, carbon steel, no seal
This single adjustable clearance linear bushing (model LM122130AJ) is a compact linear slide unit bearing used for precise straight-line motion in automation, CNC machines, 3D printers and light machine tools. It’s ideal where an open, no-seal bushing with carbon steel retainer is acceptable.
✅ Model: LM122130AJ, LM Metric Series✅ Inside diameter: 12 mm
✅ Outside diameter: 21 mm
✅ Length: 30 mm
✅ Body & retainer: high carbon steel
✅ Seal: none (open bushing)
✅ Dynamic load capacity: 298 N; Static load capacity: 711 N
✅ Type: Adjustable clearance linear bushing, single unit
💡 What is a linear bushing used for in a linear slide unit application? A linear bushing provides low-friction guided motion along a shaft or rail, helping equipment maintain accurate straight-line travel and reducing wear on moving parts. Quick intro: Handy for machines that need repeatable straight-line moves. - Guides shafts and carriages in linear slide unit and bearing setups, improving positional accuracy without resorting to sealed ball bearing assemblies. - A practical alternative when ceramic options or sealed ball bearing units are unnecessary; choose based on load, speed and environment. - Frequently used in CNC axes, printer carriages, pick-and-place systems and other light to medium duty linear motion applications.