Place of Origin | Hongkong.china |
Type | BALL |
Structure | Deep Groove |
Model Number | 608 |
Seals Type | ZZ ZRS |
Product name | 81209 |
Material | Chrome Steel |
Application | Machinery |
Size | 4* 10* 3mm |
Weight | 0.01kg |
Samples | Support |
Feature | Low Noise. Long Life |
Package | Box |
Lubrication | Lubricating oil |
Service | OEM Customized Services |
Packaging Details | 1. tube packing 2. single box packing 3. pallet packing 4. free sample ,delivery cost by buyer |
Supply Ability | 18512 Piece/Pieces per Day |
Quantity (pieces) | > 51937 |
Lead time (days) | 4~10 days |
Bore Size | 69.46 - 86 mm |
Precision Rating | P0 P6 P5 P4 P2 |
Number of Row | Single row |
Applicable Industries | Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Home Use, Retail, Construction works , Energy & Mining, Other |
81209 bearings FAQs Guide Our 81209 bearings are essential components in various machinery and equipment, providing support and reducing friction for moving parts. With years of experience and advanced technology, we are dedicated to producing 81209 bearings that meet the highest standards of quality, durability, and performance. Our commitment to excellence has made us a trusted supplier for industries such as automotive, aerospace, and industrial manufacturing. Let us introduce you to our diverse range of bearing products and how they can meet your specific needs.
2.How do 81209 bearings handle misalignment and shaft deflection?
3.What are the advantages of using ceramic 81209 bearingss?
4.What are the differences between sealed and open 81209 bearingss?
5.How do you ensure proper 81209 bearings alignment?
6.About 81209 bearings MOQ
7.How do you identify the cause of abnormal 81209 bearings noise?
8.Can 81209 bearings operate in extreme temperatures?
9.About 81209 bearings R&D capabilities
10.How do 81209 bearings help in reducing wear and tear of moving parts?
11.About 81209 bearings quality system
12.What is the advantage of using tapered roller 81209 bearings?
13.Can 81209 bearings be preloaded for increased stiffness?
1.How does a 81209 bearings function?
We adhere to the principle of integrity and transparency, and establish long -term relationships with partners, and we attach great importance to this detail
A bearing is a mechanical device that is used to reduce friction between two moving parts
It works by allowing the parts to move relative to each other while reducing the amount of friction between them
Bearings are typically composed of two parts: an inner race and an outer race
The inner race is typically made of a harder material than the outer race, and it is designed to rotate around the outer race
The inner race is typically lined with a lubricant, such as oil or grease, which helps to reduce friction and wear
The outer race is typically made of a softer material than the inner race, and it is designed to remain stationary while the inner race rotates
2.How do 81209 bearings handle misalignment and shaft deflection?
Bearings are designed to handle misalignment and shaft deflection by allowing the inner and outer races to move relative to each other
This is accomplished by using a combination of rolling elements, such as balls or rollers, and a cage that separates them
The rolling elements absorb the misalignment and shaft deflection, allowing the bearing to remain in contact with the shaft and maintain its load capacity
3.What are the advantages of using ceramic 81209 bearingss?
We should enjoy a good reputation in the industry, and we can increase the added value of the products of cooperative customers through technological innovation
1
Low friction: Ceramic bearings have a much lower coefficient of friction than steel bearings, which means they require less energy to move and can reduce wear and tear on other components
2
Lightweight: Ceramic bearings are much lighter than steel bearings, which can reduce the overall weight of a machine or device
3
High temperature resistance: Ceramic bearings can withstand higher temperatures than steel bearings, making them ideal for applications that require high temperatures
4
Corrosion resistance: Ceramic bearings are highly resistant to corrosion, making them ideal for applications that require exposure to harsh chemicals or environments
5
Longer life: Ceramic bearings have a much longer lifespan than steel bearings, which can reduce maintenance costs and downtime
4.What are the differences between sealed and open 81209 bearingss?
We attach importance to the innovation ability and team spirit of employees, have advanced R & D facilities and laboratories, and have a good quality management system
Sealed bearings are designed to keep out dirt, dust, and other contaminants, while open bearings are not
Sealed bearings are typically more expensive than open bearings, but they are also more reliable and require less maintenance
Sealed bearings are also better suited for applications that require protection from the environment, such as in wet or dusty conditions
Open bearings are typically used in applications where the environment is not a factor, such as in low-speed applications

5.How do you ensure proper 81209 bearings alignment?
1
Use a dial indicator to measure the runout of the bearing and shaft
2
Use a straight edge to check for parallelism between the bearing and the shaft
3
Use a feeler gauge to check for the proper gap between the bearing and the shaft
4
Use a laser alignment tool to measure the angularity between the bearing and the shaft
5
Use shims to adjust the bearing alignment if necessary
6
Use a bearing alignment tool to ensure the bearing is properly aligned
6.About 81209 bearings MOQ
The minimum order quantity (MOQ) for bearings will vary depending on the type of bearing and the manufacturer
Generally, the MOQ for standard bearings is between 1 and 10 pieces, while the MOQ for custom bearings can be much higher
7.How do you identify the cause of abnormal 81209 bearings noise?
1
Listen to the noise: Identify the type of noise (e
g
squealing, grinding, etc
) and the frequency of the noise
2
Inspect the bearing: Look for signs of wear, corrosion, or other damage
3
Check the lubrication: Make sure the bearing is properly lubricated and that the lubricant is not contaminated
4
Check the alignment: Make sure the bearing is properly aligned and that the shaft is not bent or misaligned
5
Check the load: Make sure the bearing is not overloaded or underloaded
6
Check the speed: Make sure the bearing is not running too fast or too slow
7
Check the environment: Make sure the bearing is not exposed to excessive heat, vibration, or other environmental factors
8.Can 81209 bearings operate in extreme temperatures?
We have established long-term and stable partnerships with our suppliers, so we have great advantages in price and cost and quality assurance
Yes, bearings can operate in extreme temperatures
Depending on the type of bearing, they can be designed to withstand temperatures ranging from -200°C to +400°C

9.About 81209 bearings R&D capabilities
Bearing R&D capabilities refer to the ability of a company to research, develop, and manufacture bearings
This includes the ability to design and manufacture custom bearings, develop new bearing materials, and test and validate bearing performance
Companies with strong bearing R&D capabilities are able to develop innovative solutions to meet customer needs and stay ahead of the competition
They are also able to develop new bearing technologies that can improve performance and reduce costs
10.How do 81209 bearings help in reducing wear and tear of moving parts?
Our mission is to provide customers with the best solutions for 81209
Bearings help reduce wear and tear of moving parts by providing a smooth surface for the parts to move against
The bearing's smooth surface reduces friction, which in turn reduces wear and tear on the parts
Additionally, bearings can help absorb shock and vibration, which can also reduce wear and tear on the parts
11.About 81209 bearings quality system
certification
Bearing quality system certification is a process that ensures that a bearing manufacturer meets the requirements of a quality management system
This certification is typically done by an independent third-party organization, such as the International Organization for Standardization (ISO)
The certification process involves a thorough review of the bearing manufacturer's quality management system, including its processes, procedures, and documentation
The certification process also includes an on-site audit of the bearing manufacturer's facilities and processes
The certification is designed to ensure that the bearing manufacturer is producing bearings that meet the highest quality standards
12.What is the advantage of using tapered roller 81209 bearings?
The main advantage of using tapered roller bearings is that they can handle both radial and axial loads
They are also able to handle high loads and have a long service life
Tapered roller bearings are also able to operate at high speeds and are relatively low maintenance

13.Can 81209 bearings be preloaded for increased stiffness?
We are a professional 81209Bearings company dedicated to providing high quality products and services
Yes, bearings can be preloaded for increased stiffness
Preloading is a process in which a force is applied to a bearing before it is installed in a machine
This force compresses the bearing and increases its stiffness, which can help reduce vibration and improve the performance of the machine
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Free Delivery
Orders from 70,00 Euro will be shipped free of charge within Germany and to Austria with GLS! Up to 69,99 Euro order volume we charge only 3,90 Euro with GLS. For shipment with DHL GoGreen within Germany we charge only 5,90 Euro up to 69,99 Euro order volume or 2,00 Euro for orders from 70,00 Euro.
Delivery Time: Ready for Shipping within 24h
We try hard to make as much orders as possible ready for shipping within 24 hours (after receiption of payment), because we generally offer only items in our online shop which we have currently on stock. The independent official seal for excellence in shipment always shows you, have fast we are currently working (make your order ready for pick-up by our logistics partner).
Delivery areas:
We deliver to the following countries: Germany, Austria, Switzerland and Belgium, Bulgaria, Denmark, Estonia, Finland, France, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Liechtenstein, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Russia, Sweden, Switzerland, Slovakia, Slovenia, Spain, Czech Republic, Hungary, USA. Please find information about delivery costs below. We usually do, but currently do NOT ship to: UK and Norway. Please visit this site frequently for updates or contact our customer service.
Returns
If a product does not meet your expectation for any reason, you can return the product without ifs and buts. To make it even more easy for you, we recommend to use the attached return form and the return stickers free of charge within 30 days of receipt. Just drop the parcel at your nearest GLS parcel shop or DHL branch (depending on the provided return label) in Germany. Of course this is not a compulsory requirement to exercise your right of withdrawal. Find more information on our website for your right of withdrawal.