ckward tuning sealing ball bearings with double-sided cover discs in the dimensions 5 x 10 x 4 mm, suitable for all standard clutch bells. With these ZZ cover discs, it even better protects the interior of the bearing from the penetration of dirt particles and other foreign bodies. The package includes 10 sealing ball bearings of type MR 105 ZZ 5 x 10 x 4 mm.