Rollway 6004 2RS Radial Ball Bearing 20 Millimeter Bore 42 Millimeter Outside Diameter Sealed Straight Bore 52100 Bearing Steel Normal Radial Clearance Ideal For DIY Projects And Gearheads

Rollway 6004-2RS Sealed Ball Bearing, 20mm Bore, 42mm OD ✔️ 20 mm bore, 42 mm OD, sealed 2RS, 52100 bearing steel, single bearing

Rollway 6004 2RS is a sealed radial ball bearing with a straight bore, built for reliable rotation in compact machines. Commonly used in DIY gearheads, hobby CNC setups, and small automation projects where clean, low-friction movement matters.

✅ 20 mm bore
✅ 42 mm outer diameter
✅ Sealed 2RS radial ball bearing
✅ Straight bore design
✅ Material: 52100 bearing steel
✅ Normal radial clearance

💡 What is a pillow block bearing used for in small machinery? This handy component supports rotating shafts and keeps alignment in DIY gearheads. - Supports shafts in CNC, conveyors, and hobby machines
- Sealed design helps keep contaminants out
- 52100 steel races provide durability for longer life
- Easy swap in compact systems