Item: 6 x 12 x 4 Ball Bearings
Type: Deep Groove Ball Bearings
Closures: Metal Shileded
Lubrication: Self Lubricated (Grease)
Size: 6mm x 12mm x 4mm
6 x 12 x 4 Shielded Ball Bearings 50 Ball Bearings
6 x 12 x 4 Shielded Ball Bearings, Bearings are made of Chrome Steel, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease.