1.Descriptions of cheap plastic ball bearing 6004

. Corrosion Resisitance
. High size stability
. High mechanical strength

1) PTFE plastic bearing

. Long term application temperature -200°C~260°C

. Strongly bears chemistry corrosiveness, all anti- corrosive to all chemicals 

. Low friction coefficient

. Good electric insulation

. No temperature influence

2) PVDF plastic bearing

.High tensile strength, pressure resistance and dimensional stability
.High mechanical strength and toughness at lower temperature
.Self-extinguishing
.Temperature ranges from -60°C - 150°C

Advantages:
.High size stablility
.Continous working temperature -70°C - 260°C
.Surface friction coefficient 0.05-0.1
.Anti-aging. don't burning
.Bears each kind of strong acid Alkali Salt
.Mechanical is good
.Insulating property
.Anti-burns the nature

Disadvantages:
.The fluidity is bad
.Cannot weld
.Difficult to fuse the processing

Materials for rings:  PTFE/PVDF

Materials for rollers: PTFE/PP/ZrO2/ Si3N4/Glass

Materials for cage: PTFE/PVDF

2.Packaging of cheap plastic ball bearing 6004

3.Fair

We have been to a lot fairs and the lastest fair is 2015 HANNOVER MESSE Gemany.

4.Information of company

Founded in 1963, Beijing Sinoma Synthetic Crystals Co, LTD.Is a hi-tech state enterprise, belongs to the China National Materials Group Co., Ltd. An excellent technical team headed by the state-level experts has built up,which provides a reliable guarantee for the continuous and rapid technological development. 

Advanced ceramic Division (technical center of precision ceramic bearing) is mainly engaged in researching,manufacturing and developing advanced ceramic materials such as Si3N4, ZrO2, Al2O3 and so on.

Main Products:

1). Si3N4 and ZrO2 ceramic balls and rollers.

2). Si3N4 ceramic bearing rings.

3). The whole series full ceramic bearings, hybrid bearings, sliding bearings and shaft sleeves made by Si3N4 and ZrO2 materials.

4). Industrial wear parts made by Si3N4 and ZrO2 materials. According to customer’s application condition and drawings, varios precise and irregular ceramic parts can be designed and fabricated

5.Welcome to contact us