10 Pack Shielded Ball Bearings 6903ZZ 17x30x7 With Dual Metal Shields Dust And Dirt Protection Chrome Steel Construction For High Durability And Smooth Operation Set Of 10 Bearings

Premium 61903ZZ Shielded Bearings, 17x30x7, Pack of 10
✔️ 10 bearings in one tube; 17mm bore, 30mm OD, 7mm width, greased

These shielded ball bearings are a compact, high-performance solution for rotating shafts in machinery, robotics, and hobby projects. They’re commonly used in automation systems, conveyors, CNC adapters, and gear-driven assemblies where smooth, reliable rotation matters.

✅ 17 mm bore, 30 mm outer diameter, 7 mm width
✅ ZZ shielded design provides dust and dirt protection
✅ Chrome steel construction for durability and performance
✅ Pre-lubricated with grease for immediate smooth operation
✅ Pack of 10 bearings in a single plastic tube
✅ Equivalents: 61903-2Z1, 61903Z1, 6903-2Z, 6903-ZZ

💡 What is a pillow block bearing used for in industrial machinery?

These bearings are handy to support shafts in a variety of machines. - Supports rotating shafts in conveyors, pumps, and automation lines
- Reduces vibration and ensures smooth, quiet operation
- Shielded designs keep dust out, extending bearing life
- Pre-lubricated grease lowers maintenance needs