Precision Zirconia Zro2 Ceramic Ball Bearing
Wuhan Engineering Plastics Co., Ltd.- Rolling Body：Ball Bearings
- The Number of Rows：Single
- Outer Dimension：Micro(≤26mm)
- Material：Zirconia Ceramic
- Spherical：Non-Aligning Bearings
- Load Direction：Radial Bearing
Base Info
- Model NO.：HKK22
- Separated：Separated
- Name：Precision Zirconia Ceramic Ball Bearing
- Color：White,Black
- Mold：Standard
- CNC：Yes
- Customized：Yes
- Keyword1：Ceramic Bearing
- Keyword2：Zirconia Ceramic Bearing
- Keyword3：Precision Zirconia Ceramic Bearing
- Keyword4：Ceramic Ball Bearing
- Keyword5：Zirconia Ceramic Ball Bearing
- Transport Package：Safe Package, Export Carton with Foam
- Specification：standard or customized
- Trademark：OEM
- Origin：Lianyungang, Jiangsu
- Production Capacity：30000PCS,Month
Description
Alumina
Zirconia
Content
%
≥95
≥99
≥99.7
≥94
Density
g/cm3
3.65
3.80
3.90
6.00
Hardness (Hv0.5)
GPa
13.1
15.0
17.1
13.2
flexural strength
MPa≥
340
310
370
1000
Elasticity
GPa
300
330
350
200
Poisson's ratio
0.23
0.23
0.23
0.30
Max Tem.
°C≥
1400
1750
1800
1050
Heat expansion
×10-6/°C(40-800°C)
7.8
8.0
8.0
11.0
Thermo conductivity
W/m·K( 20°C)
22
28
31
2.6
Thermal Resistance
°C
200
200
230
300
dielectric strength
V/m
15×106
15×106
15×106
11×106
dielectric phase angle
(1MHz)
×10-4
4
2
1
16
SIC(1MHz)
9.2
9.8
9.9
33
Nitric Acid
(60%)90°C
WT Loss mg/cm2/day≤
0.12
0.10
0.05
≠0
Sodium hudroxide
(30%)80°C
WT Loss mg/cm2/day≤
0.53
0.26
0.04
0.08
1. High-quality products
4. Sample service
7.Safe package
Packing & Delivery:
Our certificate & Honors:
Patents
FAQ: 1:What products and service can you offer us?
Answer: With the development more than 20 years, now we have 6 business division and we are supplying Quartz Glass (Tube, Rod, Plate and customized parts), optical glass and cuvette, and also various precise ceramics, porous ceramics and refractory ceramics. We have the full processing line for ceramic thick film resistors, far infrared ceramic glass heating panel, quartz tube/ceramic plate ozone generator and porous metal fiber felt. For all the products, we can design and customize according to the clients' demand.
2: Before mass order, can you offer samples? How will you charge for them?
Answer: We are willing to offer samples to lower your purchasing risk. Generally, if from inventory, we can deliver out within 3days, however if need processing, we can deliver out within 15days. For some difficult items, the delivery time will be decided by its grade of difficulty. For some low value items, we can offer free sample, however we would like you to afford the freight cost. For customized products, we need to charge the developing cost.
3: What test report or certificate can you offer? What achievements have you made in research and development?
Answer: Till the end of 2021, we have passed many ROHS, CE, MSDS tests and also the ISO9001 authentication. We have 8 registered trademark and 25 patents. Also we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises.
4: Do you have any agent in our area? Can you export your products directly?
Answer: Till the end of 2021, we haven't authorized any company or person as our regional agent. From 2008, we have the export qualification and professional export team, and till the end of 2021, we have exporting our products to more than 103 countries and regions, and our clients can contact us and purchase our products or service directly.
5: If the quality can not meet the requirement or any loss during the freight, how should we do?
Answer: We have strict QC test and professional QC team. We are always offering qualified products. If anything goes wrong, the quality can not meet requirement on the contract, we will reproduce the qualified products or refund the payment. We have the professional packing team and will pack the product in safe package for long distance delivery. If any loss during the freight, we hope you can assistant us to claim from the logistics company and we will arrange the replacement accordingly.