ST5072100UU ST-Series sealed ball bearing single unit for linear slide units and shafts, 50 mm shaft, 72 mm O.D., 100 mm length, double-sealed, 5790 N dynamic, 6970 N static, 120°C

Single sealed ST-Series ball bearing, 50 mm shaft
✔️ Double-sealed, 72 mm O.D., 100 mm length, 120°C rating

This single sealed ST5072100UU ordinary ball bearing is a metric ST series unit commonly used in linear slide units, shaft support, and machine tooling where sealed ball bearings reduce contamination and service needs. Pack: single bearing.

✅ Model: ST5072100UU ST metric series
✅ Material: Steel sealed ball bearing, ordinary type
✅ Dimensions: Shaft 50 mm, O.D. 72 mm, Length 100 mm
✅ Load ratings: Dynamic 5790 N, Static 6970 N
✅ Enclosure: Double sealed; Temperature rating 120°C
✅ Weight: 1.840 lb; SKU 1912339; Typically ships in 1 day

💡 What is a sealed ball bearing used for in linear slide units and shaft support? Sealed ball bearings keep dirt and fluids out while delivering reliable radial and axial support for sliding systems, lowering downtime and maintenance.

Quick overview:

- Sealed protection prevents contamination in linear slide units and shaft mounts - Provides steady motion control, reduced friction, and longer bearing life - Ideal where light splash, dust, or grime could compromise unsealed bearings