Bearing are Deep Groove Radial Ball Bearings and are blacked, bearings have nylon cage that would make them faster, bearings have 2 Removable yellow Seals, Bearings are made of Chrome Steel, each bearing has 2 Removable yellow Seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with oil.

• Item: 608-2RS
• Type: Deep groove ball bearings 8x22x7
• Dimensions: 8*22*7 mm/Metric
• ID (inner diameter)/Bore=8mm
• OD (outer diameter)=22mm
• Width/Height/thickness=7mm
• Bearing Size: 8mm x 22mm x 7mm
• Color: Black
• Closures: 2 Removable yellow Seals
• Quantity: 8 bearings
• Equal: 608-2RS1 & 608-2RZ