[Type & Size]: This is a 607-2RS deep groove ball bearings, 7mm inner diameter, 19mm outer diameter, and 6mm thickness. [Durable Material]: Made of steel material, high hardness, durability and long service life. [Part Number]: 210034-7,607-2RS [Application]: Replacement Ball Bearing is compatible with Makita 9557NBR 9558NBR GA4034 GA4534 GA5034 PJ7000, ,DGA454 DGA4555 DGA456 DGA458 DGA504 DGA505 DGA506 DGA508. [Double Sealed]: Closed with shields to protect the bearings from dust or other foreign matter, and has the features of small friction and high-limit speed. OE 210034-7,607-2RS Size 7x19x6mm Material Steel Type Ball Bearing Brand Unbranded/Generic MPN MEM94927171792 EAN 4894927171792 .