Place of Origin | Hongkong.china |
Type | BALL |
Structure | Deep Groove |
Model Number | 608 |
Seals Type | ZZ ZRS |
Product name | 7221AC |
Material | Chrome Steel |
Application | Machinery |
Size | 5* 12* 4mm |
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 | 38241 Piece/Pieces per Day |
Quantity (pieces) | > 70824 |
Lead time (days) | 4~14 days |
Bore Size | 62.98 - 84 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 |
7221AC bearings FAQs Guide Our 7221AC 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 7221AC 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 7221AC bearingss handle corrosive environments?
3.How do 7221AC bearings handle misalignment and shaft deflection?
4.What are the different types of 7221AC bearings?
5.About 7221AC bearings raw material procurement system
6.How does the 7221AC bearings material affect its performance and durability?
7.Can 7221AC bearingss be used in underwater applications?
8.About 7221AC bearings delivery date
9.What is the impact of misaligned 7221AC bearings on machinery?
10.How do 7221AC bearings contribute to machine efficiency?
11.What are the common causes of 7221AC bearings failure?
12.How do you lubricate a 7221AC bearings?
13.How do you determine 7221AC bearings load capacity?
14.Can 7221AC bearings be reused after being removed from machinery?
15.About the scale of 7221AC bearings factory
16.What is the effect of speed and temperature on 7221AC bearings performance?
1.About 7221AC bearings payment method
Bearing payment method is a payment system that allows customers to pay for goods and services using their mobile phones
It is a secure and convenient way to make payments, as customers can use their phones to make payments without having to enter their credit card information
The system is also designed to be secure, as customers can set up a PIN code to protect their account
Additionally, customers can also set up a limit on how much they can spend each month
2.How do 7221AC bearingss handle corrosive environments?
We adhere to the principle of quality first and have a complete production quality management system and quality inspection process
Bearings can handle corrosive environments by using corrosion-resistant materials such as stainless steel, chrome steel, and ceramic
Additionally, bearings can be coated with a corrosion-resistant material such as zinc or a lubricant to protect them from corrosion
3.How do 7221AC 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
4.What are the different types of 7221AC bearings?
We are committed to providing personalized solutions and established long -term strategic cooperative relationships with customers
1
Ball Bearings: These are the most common type of bearing and are used in a wide variety of applications
They consist of an outer ring, inner ring, and a set of balls that are held in place by a cage
2
Roller Bearings: These bearings use cylindrical rollers instead of balls to reduce friction and provide a smoother operation
They are typically used in applications that require high load capacity
3
Thrust Bearings: These bearings are designed to handle axial loads and are typically used in applications such as motors and pumps
4
Tapered Roller Bearings: These bearings are designed to handle both radial and axial loads and are commonly used in automotive applications
5
Spherical Roller Bearings: These bearings are designed to handle both radial and axial loads and are typically used in applications such as conveyor systems and heavy machinery
6
Needle Roller Bearings: These bearings are designed to handle high radial loads and are typically used in applications such as printing presses and textile machinery
7
Angular Contact Bearings: These bearings are designed to handle both radial and axial loads and are typically used in applications such as machine tools and robotics

5.About 7221AC bearings raw material procurement system
The Bearing raw material procurement system is a software solution designed to streamline the process of procuring raw materials for the production of bearings
The system automates the process of sourcing, ordering, and tracking raw materials, allowing for more efficient and cost-effective procurement
The system also provides visibility into the entire supply chain, allowing for better decision-making and improved supplier relationships
Additionally, the system can be integrated with existing ERP systems, providing a seamless experience for users
6.How does the 7221AC bearings material affect its performance and durability?
We enjoy high authority and influence in the industry and continue to innovate products and service models
The bearing material affects its performance and durability in several ways
The material affects the bearing's ability to resist wear, corrosion, and temperature extremes
It also affects the bearing's ability to handle loads, its lubrication requirements, and its overall life expectancy
For example, bearings made from harder materials such as steel or ceramic can handle higher loads and last longer than bearings made from softer materials such as bronze or plastic
Additionally, bearings made from materials with higher corrosion resistance can last longer in harsh environments
7.Can 7221AC bearingss be used in underwater applications?
Yes, bearings can be used in underwater applications
Specialized bearings designed for underwater use are available, and they are typically made from corrosion-resistant materials such as stainless steel or titanium
These bearings are designed to withstand the pressure and corrosive environment of underwater applications
8.About 7221AC bearings delivery date
The delivery date of a bearing depends on the type of bearing, the quantity of bearings ordered, and the availability of the bearing
Generally, bearings can be delivered within a few days to a few weeks

9.What is the impact of misaligned 7221AC bearings on machinery?
I have a comprehensive after -sales service system, which can pay attention to market trends in time and adjust our strategy in a timely manner
Misaligned bearings can cause a variety of problems in machinery, including increased vibration, increased noise, increased wear, and decreased efficiency
This can lead to premature failure of the machinery, increased maintenance costs, and decreased productivity
10.How do 7221AC bearings contribute to machine efficiency?
We have established a good reputation and reliable partnerships within the 7221AC industry
Bearings are essential components of machines that help to reduce friction and improve efficiency
They allow parts to move smoothly and reduce the amount of energy needed to move them
By reducing friction, bearings help to reduce wear and tear on the machine, which can help to extend its life
Additionally, bearings can help to reduce noise and vibration, which can improve the overall efficiency of the machine
11.What are the common causes of 7221AC bearings failure?
We focus on our customers' needs and strive to meet their expectations, so we take this very seriously
1
Contamination: Contamination of the bearing or lubricant can cause excessive wear and premature bearing failure
2
Poor lubrication: Insufficient or improper lubrication can cause excessive wear and premature bearing failure
3
Overloading: Overloading of the bearing can cause excessive wear and premature bearing failure
4
Misalignment: Misalignment of the bearing can cause excessive wear and premature bearing failure
5
Poor installation: Poor installation of the bearing can cause excessive wear and premature bearing failure
6
Corrosion: Corrosion of the bearing can cause excessive wear and premature bearing failure
7
Fatigue: Fatigue of the bearing can cause excessive wear and premature bearing failure
12.How do you lubricate a 7221AC bearings?
As one of the top 7221ACBearings manufacturers in China, we take this very seriously
1
Clean the bearing and surrounding area with a clean cloth
2
Apply a thin layer of lubricant to the bearing
3
Rotate the bearing to spread the lubricant evenly
4
Wipe away any excess lubricant

13.How do you determine 7221AC bearings load capacity?
We actively participate in the 7221ACBearings industry associations and organization activities
The corporate social responsibility performed well, and the focus of brand building and promotion
Bearing load capacity is determined by the bearing's dynamic load rating, which is the maximum load a bearing can withstand while rotating
This rating is determined by the bearing's size, type, and construction
The dynamic load rating is usually expressed in kilograms or pounds
Other factors that can affect bearing load capacity include the bearing's operating temperature, lubrication, and speed
14.Can 7221AC bearings be reused after being removed from machinery?
We have been working hard to improve service quality and meet customer needs
Yes, bearings can be reused after being removed from machinery, provided they are in good condition and have not been damaged
However, it is important to inspect the bearings for any signs of wear or damage before reusing them
15.About the scale of 7221AC bearings factory
Bearing factories vary in size and scope depending on the type of bearings they produce
Some factories may specialize in producing a single type of bearing, while others may produce a wide variety of bearings for different applications
The size of the factory may also depend on the number of employees and the amount of machinery and equipment used to produce the bearings
16.What is the effect of speed and temperature on 7221AC bearings performance?
We should perform well in market competition, and the prices of 7221AC products have a great competitive advantage
Speed and temperature can have a significant effect on bearing performance
High speeds can cause increased friction and heat, which can lead to premature bearing failure
High temperatures can cause lubricants to break down, leading to increased friction and wear
Low temperatures can cause lubricants to thicken, leading to increased friction and wear
In general, bearings should be operated within the manufacturer's recommended speed and temperature range to ensure optimal performance

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.