In a nutshell
The right choise for
With the Skf 61801 single row deep groove ball bearing, you achieve smooth, quiet rotation and low friction in your compact mechanical assemblies. Featuring a 12 mm cylindrical bore, a 21 mm outer diameter, and a 5 mm width, this steel bearing fits easily into tight spaces where standard bearings are too large. Its open design without seals minimizes rotational resistance, making it ideal for high-speed operation in precision engineering, light industrial drives, or bicycle maintenance. It reliably accommodates combined radial and axial loads in both directions with normal internal clearance, allowing you to fit a durable, accurate component directly onto your shaft.