Packaging & Delivery
| Packaging Details: | 1.Neutral Package:Plastic Bag+Carton+Pallet;
2.Commercial Package:Plastic Bag+Box+Carton+Pallet;
3.As Clients' Requirement. |
| Delivery Detail: | 3-25days |
KOYO NSK Bearing 6804 61804 For Gearboxes KOYO Deep Groove Ball Bearing 6804 61804
Product Description
DEEP GROOVE BALL BEARING APPLICATION
| NSK KOYO Bearing 61804 Information |
Brand Name | KOYO NSK Deep Groove Ball Bearing 6804 61804 or according to your requirement | Item Name | KOYO NSK Bearing 6804 61804 For Gearboxes KOYO Deep Groove Ball Bearing 6804 61804 | Bearing Sizes | 20*32*7mm | Material | Chrome steel, Gcr15 | Vibration | V4, V3, V2, V1 | Seal Type | ZZ,2RS OPEN | Application | Transmission, instrumentation, motors, appliances, internal combustion engines, agricultural machinery, construction machinery, engineering machinery,etc | Payment | 1)T/T 30% deposit, 70% before shipment. 2)WESTERN UNION available. 3)PayPal available. 4)Trade Assurance recommended. | Guarantee | One year | Delivery Detail | 2-10 days upon receipt of deposit | Package | Individual package or according to buyers requirement | Shipping | Express: DHL Fedex EMS /By Sea | Koyo Bearing Advantage | 1)Quality assurance, each batch of goods in and out are strictly related staff.
2)The price is favorable, because we supply channels, we have absolute advantage on the price.
3)Technical support, to provide you with bearing type selection, installation, maintenance and different brand model exchange and other problems.
4)After-sales service, established a perfect after-sale service system, from the customer's worries. |
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We also can supply another item , as below:
Model | Specification(d*D*B) | Weight(kg) |
16005 | 25*47*8 | 0.059 |
6005 | 25*47*12 | 0.079 |
| 6205 | 25*52*15 | 0.129 |
| 6305 | 25*62*17 | 0.235 |
| 6405 | 25*80*21 | 0.530 |
| 60/28 | 28*52*12 | 0.175 |
| 63/28 | 28*68*18 | 0.287 |
| 6706 | 30*3*4 | 0.008 |
| 6906 | 30*47*9 | 0.052 |
| 6006 | 30*55*13 | 0.116 |
| 6306 | 30*72*19 | 0.345 |
| 60/32 | 32*65*17 | 0.122 |
| 62/32 | 32*65*17 | 0.225 |
| 6807 | 35*47*7 | 0.027 |
| 6907 | 35*55*10 | 0.075 |
| 6308 | 40*90*23 | 0.636 |
| 6808 | 40*52*7 | 0.031 |
| 6008 | 40*68*15 | 0.190 |
| 6208 | 40*80*18 | 0.366 |
| 6408 | 40*110*27 | 1.230 |
| 6309 | 45*100*25 | 0.829 |
| 6009 | 45*75*16 | 0.241 |
| 6309 | 45*100*25 | 0.829 |
| 6810 | 50*65*7 | 0.050 |
| 6010 | 50*80*16 | 0.261 |
| 6210 | 50*90*20 | 0.459 |
| 6811 | 55*72*9 | 0.081 |
| 6911 | 55*80*13 | 0.189 |
| 16011 | 55*90*11 | 0.257 |
| ... | ... | ... |
Longer Life
Adopted NACHI original seal design to prevent contamination and grease leakage.
Contains special grease for wider temperature ranges and longer life.Smooth and Quiet Operation
The precision level of our bearing components has been enhanced to ensure smooth and quiet operation.Low Torque
Lower rotating torque by improving seal lips.
•Materials of Bearings
Materials for bearing rings and parts largely determine the bearing's performance and life. LYAZ Bearings puts more efforts to select materials for bearing ring and part suppliers in a rigorous manner.
Materials and components of bearing rings for LYAZ Bearings are provided by the world's top suppliers,especially for serving bearing manufacturers, fundamentally solving the issue that our bearings lag behind imported bearings in terms of materials for a long time.
LYAZ Bearings boasts a set of strict incoming goods inspection system. Before being put into storage, every batch of steels and parts is under systemic inspection, including analysis of material composition, metallographic analysis, accuracy check, assembly test, etc.
•Materials for Bearing Ring and Roller Body
Bearing ring and roller body are mainly made of high-Cr bearing steel. Listed below are compositions of material for bearing ring and roller body.
Chemical Composition(%) |
NO. | C | Mn | Si | Cr | S | P | Ni | Cu | HB |
< |
GCr15 DIN 100 GCr6 JIS UJ2 AISI52100 SKF3 | 0.95~1.05 | 0.20~0.4 | 0.15~0.35 | 1.30~1.65 | 0.02 | 0.027 | 0.3 | 0.25 | 170~207 |
Material for bearing ring and roller body mainly consists of high C-Cr bearing steel.
•Material of cages
Material of cages need good wear resistance, stable size and metal strength. Therefore, operation environment should be mainly considered in selection of material of cages.
Cold-rolled Steel Cage
These light cages hold a high strength with reduced friction and wear in an effective way after surface treatment. The following table covers compositions of material for cold-rolled steel sheet.
No. | Chemical Composition% |
JISG 3141 SPCC | C | Si | Mn | P | S | Ni | Cr |
<0.12 | - | <0.5 | <0.04 | 0.045 | - | - |
Brass Cage
Brass cage is adopted in small and medium bearings. However, brass cage is not suitable for compressors with ammonia cooling due to potential seasonal cracking of brass. It is recommended to replace it with iron cage.
Nylon cage
According to the type and usage of bearings, nylon cages are widely adopted, but they are inappropriate for environments where the temperature is above 120ºC or below 40 ºC. Most of cast molding cages adopt nylon PA66 material, with or without glass fiber reinforcement whose advantage is a good combination of strength and elasticity.
•Materials for Dust Shield and Sealed ring
Material for dust shield
LYAZ Bearings use cold-rolled tin plate as the standard mateiral for dust shields, but also use stainless steel of AISI-300 specification sometimes.
Material for seal ring
Seal rings are mainly made of NBR. For high temperature, fluoro rubbers and silicon rubbers are widely used as well.
»Packaging and Shipping
1. By Express: DHL, FEDEX, UPS, TNT, SF EXPRESS and EMS.
2. By Air: We can ship from Shandong, Guangzhou etc.
3. By Sea: We can offer you FOB Qingdao.
4. We can also send bearings to your forwarder or agent in China, who can arrange shipment for you.
Our Services
1. We are Professional bearing factory since 2004.We offer high quality bearing with competitive price.
2. 24-hour response on line and provide technical support.
3. Huge stock goods ensure you Very Short Delivery Time(Generally 1- 3 days after payment for stocks, 15 - 30 days for OEM and new items.
4. Good after-sale service (12 months quality warranty, money can be deducted or refund if any quality problem).
5. OEM/Customized service are welcomed.
6. Various kinds of bearings and brands available.
7.100% test the quality and packing before delivery.
8. Free sample available.
Company Information
Our factory has been founded for around 30 years, We are a professional manufacturer of ball bearings and roller bearings, including deep groove ball bearing, self-aligning bearing, cylindrical roller bearing, tapered roller bearings, with our good team work and hard working of skillful staffs and our professional engineers, we got very good reputation in the world market, especially in Mid-eastern countries. Thanks for every customer's support and trust, our company hope to establish mutual benefit and development business relations with you!
If you are interested in our products deep groove ball bearing, welcome to contact us for more detailed information,
Your inquiry related to our product & price will be replied within 24hoursWell-trained & experienced staff are to answer all your inquiries.OEM & ODM projects are highly welcomed. We have strong R&M team here to help.Free samples availableThe professional Logistic Center serviceTechnical support after saleAny other reasonable requirements.
We participate Canton Fair,Shanghai Auto Mechanika Fair,Professional Auto Parts Fair annually.
Welcome Inquiry and order !
Thank you!
Guangzhou Wafangdian Bearing Co., Ltd. is a professional bearing company, belongs to Liaoning Wafang Dian Aoli Yuan Bearing Manufacturing Co. Ltd, , locates in Wafangdian north Gongji street, covers an area of more than 50000 square meters, over 300 staffs work in the factory. The annual production is more than 10 million sets of various bearings.
We have more than 30 years bearing manufacturing experience, execute strict and responsible quality control. Our products are: Deep groove ball bearing, tapered roller bearing, cylindrical roller bearing, spherical roller bearing, thrust ball bearing, needle bearing, self-aligning ball bearing, angular contact ball bearing, pillow block bearing, wheel hub bearing, clutch bearing, composite bearing and all kinds of non-standard bearings. Our bearings are low noise, long working life, high precision, high speed, heavy duty, good temperature resistance, widely used in automobiles, machine tools, mining, oil field, paper making, cement plant, power plant, steel mill, construction machinery and many other industries.
We are strong in research and development. We can design and produce bearings with drawings or samples to meet customers' specific needs. OEM services are also provided with customers' authorization. Small orders are accepted, free samples are available. We guarantee high quality, competitive prices, on-time delivery, fast response. Welcome all distinguished guests at home and abroad to contact us for business, looking forward to working with you hand in hand, create more brilliant future together!
