NSK Deep Groove Ball Bearings 6313ZZ ,Single Row D=65 Insulated Screwdriver Set 4 210 7431 3 Size:palm 2Mediumwhite lined (x10 pack) 4 210 7431 3 Nippa series The strongest cutting force due to contact seal Speed capability Good Good Limited by contact seals Grease sealing effectiveness Good Better than ZZ type Slightly better than VV type Dust resistance Good Better than ZZ type (usable in moderately dusty environments) Best (usable even in very dusty environments) Water resistance Not suitable Not suitable Good (usable even if fluid is splashed on bearing) Operating temperature –10 to +110 °C –10 to +110 °C –10 to +110 °C Note (1) The above temperature range applies to standard bearings DU: Rubber contact seal on one side V:Rubber non contact seal on one side ⑤Internal clearance Omitted : CN clearance＊1