NSK Deep Groove Ball Bearings 6916DDU ,Single Row D=80 Flexible Maxi Disc for Glass Edge Finishing Mounting shaft diameter (mm): 5 Power Analyser Mounting shaft diameter (mm): 5 Hand Socket 30mm Hand Socket 24000 32mm Hand Socket 33mm Hand Socket 35mm Hand Socket 36mm Hand Socket 38mm Hand Socket 41mm Hand Socket 46mm Hand Socket 50mm Hand Socket 55mm Hand Socket 60mm Hand Socket 65mm Hand Socket Accessory Extension Bar 150mmL Extension Bar 200mmL Ratchet Head with Handle Metal Box 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 (kN) Limiting Speeds