Open type linear bushing LM122130NUUOP, metric 12 mm ID x 21 mm OD x 30 mm L, high carbon steel, synthetic resin retainer, double end seals, sealed linear slide unit, single piece

Open type linear bushing, metric 12 x 21 x 30 mm single
✔️ 12 mm ID, 21 mm OD, 30 mm L, high carbon steel, synthetic resin retainer

This open type linear bushing is a sealed metric unit for linear slide units and guided shafts, typically used in CNC machinery, automation, and precision equipment where sealed ball bearing performance is needed.

✅ Model: LM122130NUUOP, LM Metric Series, open type
✅ ID 12 mm, OD 21 mm, Length 30 mm; single piece pack
✅ Body material: high carbon steel; retainer: synthetic resin
✅ Seal structure: double end seals for contamination protection
✅ Dynamic load capacity 298 N; static capacity 711 N; weight ~0.090 lb
✅ Ideal for linear slide unit installs, guided shafts, and sealed bearing swaps

💡 What is a linear bushing used for in sealed linear slide units? A linear bushing supports smooth, low-friction straight-line motion and helps keep contaminants out, handy for many machines. - Supports shafts and rails in linear slide units for repeatable positioning and motion control. - Acts like a sealed ball bearing alternative to improve protection from dust and debris in automation. - Provides a steel-based option versus ceramic bearings for cost-effective durability and load support.