Quality deep groove ball bearings of 101 Octane from European certified suppliers with a equally high quality standards. These ball bearings are universally suitable for various uses of scooters, motorcycles or quads / ATVs, depending on their design. For example, as wheel bearings, gear bearings, motor bearings or bearings for chassis and frame. Inside diameter (mm): 15 outer diameter (mm): 32 thickness / depth (mm): 9 clearance: without executing: open on both sides