Koyo Hybrid Ceramic Bearings 688

Koyo Hybrid Ceramic Bearings 688

Ordinary bearing steel AISI52100 (GCr15), stainless steel AISI440 (9Cr18), silicon nitride (Si3N4) and zirconia (ZrO2) four bearing material performance comparison, ceramic bearings as an important mechanical basic parts, due to its metal bearing Unmatched performance, high temperature resistance, super strength

Product Details

Abec 5 abec 7 8x16x5 mm hybrid ceramic 688 rs zz 688zz ball bearing







Abec 5 abec 7 8x16x5 mm hybrid ceramic 688 rs zz 688zz ball bearingBore diameter (d)Outer diameter (D)Width (B1)
8165
Item

Material and Quality

Index

Tested As Per
Inner/Outer RingGCR15GB/T18254
Steel BallGCR15GB/T308
CageGCR15GB/T710
Metal ShieldGCR15JB/T10239
Rubber sealsNBRJB/T10239
Hardness (HRC)60.2~64GB/T1255
LubricationGrease lubricationGB/T7324
GreaseBRD2#/
Seal methodNon contactGB/T7725
This product complies to EU RoHS Directive. 
Notes:
1. The bearings inside shall be keep dustproof;
2. The working temperature shall be no higher than rated operating temperature;
3. The bearings shall be used acid-free environment;
4. The bearings shall be kept in relative humidity under 60%; 
5. The bearings shall be handled gently, avoiding falling, knocking or hitting it;
6. The bearings shall be installed evenly.

Zirconia ZrO2 Ceramic Bearing 639 manufacturer from China with competitive price

Our Service

High quality

strict controling of the quality.High loading by the advanced high-technical design. 

High quality

Most competitive price, factory direct.

High quality

OEM service offered, to meet the customer's requrements.

Our Company

Factory


The powerful technical service has won the praise of many corporate customers, creating more value for customers while saving costs.

Workshop


From the business negotiation to the signing of the contract, from the payment to the delivery of the perfect connection, to achieve the "reasonable price, quality assurance, fast delivery" business objectives.


Warehouse


Because you work hard and strengthen yourself; because you pay hard and become more and more excellent; Dedication is the consistent character of a standard person; intention is a high-quality shared quality!




Team

Love-oriented, centered on customer needs!


Packing & Delivery


1.Single box: plastic bag+single box

2.Single wooden box: plastic bag+single wooden box

3.Carton: Standard export carton.

1. packing

2. packing

3. packing

Our Certifications

Our Certifications

Specializing in the production of various types of bearings, including ball bearings, roller bearings, needle bearings, bearing housing bearings, with anti-friction, high speed, increased fatigue load limit characteristics, extending bearing life. The bearing has a strong team of professional team to provide you with professional services.

Customer Photo

Favorable Comment

With high quality products and services and a wealth of experience in know-how, we can provide the ideal solution for your maintenance and condition monitoring, which will increase the life and performance of your production line and significantly reduce your overall cost. In addition to providing long-term on-site services within the service contract, we can also provide emergency call services as long as the customer requires it. This will enable us to become a professional partner for all industrial customers.

Favorable Comment

In order to meet the needs of customers, the company has a group of professional high-tech personnel, ready to provide technical support and services to customers. The company has won praises from many domestic corporate customers at reasonable prices, fast logistics delivery and strong after-sales technical services, creating more value for customers while saving costs.

Favorable Comment

The company integrates the management mode of internationally renowned large companies, and carries out information management of the company's business through the ERP system, successfully achieving the perfect connection from inquiry to quotation, business negotiation to signing the contract, from payment to delivery. Achieve the business objectives of "reasonable price, guaranteed quality, fast delivery".

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