Deep Groove Ball Bearing 6706-2RS Double Sealed Radial Bearing Single Row 30x37x4 mm Inner Diameter 30 mm Outer Diameter 37 mm Width 4 mm High Precision Replacement Part For Auto Industrial Equipment Home Projects CNC Lathes Conveyors

Sealed 6706-2RS 30x37x4 deep groove bearing
✔️ ID 30mm, OD 37mm, width 4mm; single bearing, double sealed

This compact sealed ball bearing is a single-row radial bearing sized 30x37x4 mm, ideal for small motors, hobby projects, conveyors, and compact machinery where reliable shaft support is needed.

✅ Inner bore: 30 mm (1.181 in)
✅ Outer diameter: 37 mm (1.457 in)
✅ Width: 4 mm (0.157 in)
✅ Type: Deep groove ball bearing, single row
✅ Seals: double sealed 2RS on both sides

Dimension	Metric	Inches
ID	30 mm	1.181 in
OD	37 mm	1.457 in
Width	4 mm	0.157 in

💡 What is a sealed ball bearing used for?

- Handy for small machines needing smooth radial support in tight spaces - Great for DIY robotics, 3D printers, and compact conveyors - Double sealed design helps keep grease in and dirt out - Fits common 30x37x4 mm configurations for easy replacements