6018-2Z Single Row Deep Groove Ball Bearing 90x140x24mm For Gearboxes Compressors Transmission Systems Product Overview 6018-2Z is a standard single row deep groove ball bearing fitted with double-sided metal dust shields, overall dimensions 90×140×24 mm. Produced from high wear-resistant GCr15 bearing steel and equipped with stamped steel cage, it delivers stable precision performance. The 2Z metal cover design blocks dust and solid particles from entering the bearing