Ntn 6218ZZC3 EM Radial Ball Bearing, 6218, Dbl Shield, Non Contact Seal, 90 mm Bore, 160 mm OD, 30 mm Wd 4HM04 Wipes Clean of Dirt and Wipes Clean of Dirt and Oils Tether Capable Standard Tool (Accessory Needed for Tethering) Ratcheting Configuration Non Ratcheting Tether Style Tether Capable Measurement Type Metric Opening Type Rounded Head Type Offset Handle Type One Piece Box End Type 12 Point Box End Ratcheting No Quicker material removal speeds up the work and keeps the surface cooler Closure Double Shielded Outer Ring Width 30 mm Bore Diameter 90 mm Outside Diameter 160 mm MFR # 6218ZZC3 EM Zoro # G023437576 UPC # Country of Origin Japan Minimum Temperature 22 Degrees F ABEC Rating 1 Industry Number 6218 System of Measurement Metric Series DGBB Maximum Speed 4