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With races and balls made from zirconia (ZrO₂) ceramic and PTFE covers
the 21306EW33 inner diameter is 30mm
6308ZZE width is 23mm
Bearing is made from ZrO2 Ceramic Zirconium oxide
6203ZZENR Nachi Bearing
6210ZZ Bearing 50x90x20 Shielded Outer Diameter - 480mm With races and balls made6210ZZ Shielded Ball Bearing 50mm x 90mm x 20mm 6210ZZ Shielded Ball Bearing, bearing is made from Chrome Steel, each bearing has 2 Metal Shields to protect the bearing from dust or any possible contamination, this is self lubricated bearing (bearing is already greased). 6210 ZZ Ball Bearing Deep Groove Ball Bearing Shield Dual metal shields for dust protection (ZZ) Size: 50mm x 90mm x 20mm Inner Diameter: 50mm Outer Diameter: 90mm Width: 20mm
US$ 488.64
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