- Dimensions: 8mm*19mm*6mm - Structure: The bearings are available in open and closed types. The closed type can be equipped with dustproof on single side or both sides (Z, ZZ). It can also have a non-contact sealing ring on single side or both sides (RZ, 2RZ), or a contact sealing ring on single side or both sides (RS, 2RS). - Lubrication: The product is properly filled with lubricant oil and grease before it leaves the factory. Therefore, it can be used immediately without the need for cleaning. - Suitable Speed and Temperature: The bearing is suitable for light to middle-speed applications and can withstand working temperatures ranging from -20℃ to 110℃. - Special Cases: If you have any special requirements for grease usage or brand, please make a note of it in your order.