LM122130NUU Linear Bushing Standard Type, Metric LM Series, 12 mm ID x 21 mm OD, 30 mm Length, High Carbon Steel, Synthetic Resin Retainer, Double End Seals, Single Unit

LM122130NUU standard linear bushing 12 mm ID 21 mm OD
✔️ Single unit, 30 mm length, high carbon steel, resin retainer

This sealed metric linear bushing is a standard-type bearing for linear slide units and CNC automation. It’s typically used in machine tools, conveyors, and precision motion systems, supplied as a single replacement part.

✅ 12 mm inside diameter (I.D.)
✅ 21 mm outside diameter (O.D.)
✅ 30 mm length
✅ High carbon steel body material
✅ Synthetic resin retainer
✅ Double end seals (with two seals)
✅ Dynamic load capacity 298 N; static 711 N
✅ Model LM122130NUU, LM Metric Series, SKU 862144
✅ Single bearing, weight 0.090 lb each

💡 What is a linear bushing used for in linear slide units and CNC automation? A linear bushing provides smooth guided motion and sealed bearing support for linear slide systems. - Ideal for reducing friction and supporting radial loads in linear slide units and stages - Commonly used in CNC machines, 3D printers, packaging equipment, and pick-and-place rigs - Sealed designs help keep contaminants out, improving service life and lowering maintenance needs