Deep groove ball bearings - 608 d, 8, mm. D, 22, mm. B, 7, mm. d1, ≈, 12.15, mm. D2, ≈, 19.2, mm. r1,2, min. 0.3, mm. Abutment dimensions. da, min. 10, mm. Da, max. 20, mm. ra, max. 0.3, mm 8 Skate Ball Bearing 608Z 8x22x7mm Shielded BearingsThis is the most popular size bearing to fit skateboard wheels, inline wheels, caster wheels, scooter wheels, and also some hvac and industrial demands
608 Bearings:Sackorange 608 ZZ Skateboard Bearings, Double Shielded,8x22x7 Miniature Ball Bearings（Pack of 20)  ANCIRS, 20 Pack 608-2RS Ball Bearing - Double Rubber Sealed Shielded Miniature Deep Groove 608rs Bearings for Skateboards, Inline Skates, Scooters, Roller Blade Skates & Long boards 608 bearing Results 1 - 16 of 801 - WEWGO 608-2RS Ball Bearings,Skateboard Bearings,Double Rubber Sealed Shielded Miniature Deep Groove 608-2RS Bearings for 608-2RS 608-ZZ Radial Ball Bearing 8X22X7 Skate BearingThe 608-2RS and 608-ZZ is a 8mm ball bearing that is found in many applications. The 608-2RS ball bearing has two contact rubber seals one on each side of the ball bearing.  This is a popular bearing for roller skates, roller blades, skate boards and scooters