QW ceramic wheel bearings used the stainless material to manufacture the inner ring and outter ring ,which is newly researched .the material of the ball is Silicon nitride ,they can endure the high temperture ,and working in the environment of which the normal ball bearing and high-temperture ceramic hub bearings couldn't.the ceramic wheel bearing can keep the hardness and pressure even in the 300? lighter than normal bearing,and the life span is double or triple than normal bearing.the silicon nitride ball can lubricate by themselves ,in that case it is solve the problem of difficulting in add the grease easily.
Ceramic Cycle Bearings Features :
1) Ceramic wheel bearing shield / closure: open bearing, Z, ZZ, RS, 2RS
2) Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7
3) Internal clearance codes: C2, C3, C4, C5
4) Ceramic wheel bearing material: AISI52100, AISI440C, AISI304, AISI316, ceramic
5) Retainer: PTFE, nylon, PEEK or stainless steel
6) Bore size: 5 - 20mm
Ceramic Bicycle Wheel Bearing Catalog :
Open type (Metric series )
Open type (Inch series)
With rubber seals/steel shields type(Metric series )
With rubber seals/steel shields type(Inch series)
Flange ball bearings(Metric series)
Flange ball bearings(Inch series)
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