Sealed Deep Groove Ball Bearing Single Row Radial Bearing 20x37x9 MM ID 20mm OD 37mm Width 9mm 61904-2RZ High Precision Bearing For Machinery Motors And Hobby Projects Ideal For Machinery, CNC Automotive Applications, Replacement Parts And DIY Projects

Sealed deep groove ball bearing 20x37x9mm, single unit
✔️ Inner 20mm, Outer 37mm, Width 9mm; sealed deep groove bearing

This sealed deep groove ball bearing is a compact, single-row radial bearing designed for smooth rotation in small machines, hobby projects, and light industrial equipment to support shafts with low friction and steady rotation.

✅ ID 20mm (0.787"), OD 37mm (1.457"), Width 9mm (0.354")
✅ Seal 2RZ shielded to keep lubricant in and contaminants out
✅ Type: Deep groove ball bearing, single row
✅ Dynamic load 6.37 kN, Static load 3.65 kN
✅ Pack: 1 bearing included (single unit)

💡 What is a sealed deep groove ball bearing used for in typical small machinery and hobby projects?

It’s a handy, common solution for supporting rotating shafts in tight spaces.
- handy for small drives and hobby machines
- provides steady radial support with low friction
- sealed design keeps lubrication in and contaminants out
- standard metric sizes like 20x37x9 mm make replacement easy