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Full Ceramic zirconium oxide Ball Bearing, balls are Silicon Nitride, the inner diameter is 17mm, outer diameter is 30mm and the width is 7mm, this is a popular size that could be used in many applications, Bearing is made of Ceramic..
- Item: 6903 skate bearings
- Type: Full Ceramic
- Bearing Size: 17mm x 30mm x 7mm
- Dimensions: 17 X 30 X 7mm/Metric
- ID (inner diameter)/Bore=17mm
- OD (outer diameter)=30mm
- Width/Height/thickness=7mm
- Inner/outer races: ZrO2 (zirconium oxide) Ceramic
- Balls: Si3n4 (silicon nitride) Ceramic
- Quantity: One ball bearing
- Cage: PTFE
- Closures: Open
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