NSK Deep Groove Ball Bearings 6320ZZ ,Single Row D=100 Safety Goggles Cr C0r Grease Oil 6032 Specification CDRQ2BS15 90 M9NW Cr C0r Grease Oil 6032 160 240 38 2 The only one with an automatic Oil Feed cutter head 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 cold or heat resistant grease or changing the type of rubber