This is Tamiya 1510 Sealed Ball Bearings 2 pcs. These are rubber sealed ball bearings, which offer smooth rotation, great precision of attachment and even simplified maintenance.
For: RC Touring / M-Chassis
Material: Metal / Rubber
Color: Silver / Blue
Applications include touring car bulkheads, M-chassis car differentials.
Using ball bearings in place of plastic and metal bearings gives better parts fit and more efficient rotation.
These ball bearings employ rubber seals rather than metal ones – this allows you to open them up to clean and work on them.
Low-friction oil is used to lubricate the internal workings.
Tamiya 1510 Sealed Ball Bearings (2 pcs)