A qualityBall Bearings 6210ZZ, bearings are made from Chrome Steel and can rotate up to 9000 rpm, each bearing has 2 metal Shileds to protect the bearing from dust or any possible contamination, these are self lubricated bearings (bearings are already greased).

Item: 6210ZZ ball bearings
Closures: 2 metal Shileds
Quantity: 1 Bearing.
Bearing Size in MM: 50mm x 90mm x 20mm
Dimensions: 50*90*20 mm/Metric
ID (inner diameter)/Bore=50mm
OD (outer diameter)=90mm
Width/Height/thickness=20mm
Equal: 6210-ZZ & 6201-2Z
Equal: 6210-2Z