Sealed linear ball bearing ST Metric Series ST456580UU single unit, 45 mm bore, 80 mm length, 65 mm O.D., double sealed steel construction, 4550 N dynamic, 5330 N static, 120°C rating, ideal for slide units and CNC machinery

Single sealed linear ball bearing, 45 mm bore
✔️ Double sealed steel bearing, 80 mm length, 65 mm O.D., 4550 N dyn cap

This single sealed ST metric linear ball bearing supports shafts and provides low-friction motion in slide units, CNC machines, automation, and tooling applications.

✅ Model: ST456580UU, ST metric series
✅ Bore / shaft diameter: 45 mm
✅ Length: 80 mm; O.D.: 65 mm
✅ Material: Steel with double sealed enclosure
✅ Dynamic load: 4550 N; Static load: 5330 N
✅ Temperature rating up to 120 °C; ordinary type
✅ Suited for sealed ball bearing linear slide unit setups; ceramic upgrades possible

💡 What is a sealed ball bearing used for in linear slide unit applications? Sealed ball bearings are handy for protecting rolling elements while keeping smooth, low-friction linear motion. Short answer: they extend service life and cut maintenance needs. - Keeps out dust and contaminants to prolong bearing life in automation and CNC machinery. - Provides stable shaft support and consistent performance under radial loads for slide units. - Works well with ceramic ball upgrades and sealed housings for lower maintenance and higher temperature tolerance.