NSK Deep Groove Ball Bearings 6319VV ,Single Row D=95 Grip Pipe Wrench Aluminum Part number Measuring range A Specification MXS12 50BS M9NM Part number Measuring range A B C D E A 3 20~32mmX0 Long contact point (L = 42 ● Improved reliability 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