Applicable Industries | Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Retail, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Other |
Bore Size | 1 - 26 mm |
Precision Rating | Z1 Z2 Z3 |
Place of Origin | Hongkong, China |
Type | BALL |
Structure | Deep Groove |
Model Number | skf,FAG,NTAK,NTN,Iko,Koyo |
Seals Type | OPEN |
Product name | QJ213 |
ID Dia | 5- 21mm |
Thickness | 4-31mm |
Bearing type | Ball Bearing |
Stock | Rich |
OEM | Accept |
Delivery time | 7 Days |
Package | Tube / Carton Box |
Number of Row | Double row |
Supply Ability | 111452 Piece/Pieces per Month |
Quantity (pieces) | 6513 - 9584 |
Lead time (days) | 15 |
NUP221E bearings FAQs Guide Our NUP221E 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 NUP221E 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.What are the different types of NUP221E bearings?
3.About NUP221E bearings customization services
4.Can NUP221E bearings be reused after being removed from machinery?
5.Can improper installation affect NUP221E bearings performance?
6.How do you seal NUP221E bearings for use in high-moisture environments?
7.How does a NUP221E bearings function?
8.How do NUP221E bearings contribute to cost savings and increased productivity in machinery?
9.How do you determine NUP221E bearings load capacity?
10.What maintenance procedures should be followed for NUP221E bearingss?
11.How do NUP221E bearings contribute to machine reliability and uptime?
12.What factors should be considered when choosing a NUP221E bearings?
13.How does contamination affect NUP221E bearings performance?
14.How do you inspect a NUP221E bearings for wear and damage?
15.How do you calculate the required NUP221E bearings size for a specific load condition?
16.How do NUP221E bearings help in reducing wear and tear of moving parts?
1.About NUP221E bearings warranty
Bearing warranties vary depending on the manufacturer and type of bearing
Generally, most bearings are covered by a one-year warranty from the date of purchase
This warranty covers any defects in material or workmanship, but does not cover normal wear and tear or damage caused by improper installation or use
Some manufacturers may offer extended warranties or other guarantees
It is important to check with the manufacturer for specific warranty information
2.What are the different types of NUP221E 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

3.About NUP221E bearings customization services
Bearing customization services are offered by many companies to meet the specific needs of their customers
These services can include customizing the size, shape, material, and other features of a bearing to meet the customer’s exact requirements
This can be done for a variety of applications, including automotive, aerospace, medical, and industrial
Customized bearings can provide improved performance, longer life, and better reliability
They can also be designed to meet specific environmental conditions, such as extreme temperatures or high levels of vibration
4.Can NUP221E 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

5.Can improper installation affect NUP221E bearings performance?
We have flexible production capacity
Whether you are large orders or small orders, you can produce and release goods in a timely manner to meet customer needs
Yes, improper installation can affect bearing performance
If a bearing is not installed correctly, it can cause premature failure, increased vibration, and increased noise
Improper installation can also cause misalignment, which can lead to increased friction and wear
6.How do you seal NUP221E bearings for use in high-moisture environments?
The best way to seal bearings for use in high-moisture environments is to use a combination of a labyrinth seal and a contact seal
Labyrinth seals are designed to keep out dirt and debris, while contact seals are designed to keep out moisture
Additionally, it is important to use a high-quality grease that is designed for use in high-moisture environments

7.How does a NUP221E 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
8.How do NUP221E bearings contribute to cost savings and increased productivity in machinery?
Bearings are essential components of machinery, and they can contribute to cost savings and increased productivity in several ways
First, bearings reduce friction, which helps to reduce energy consumption and wear and tear on the machinery
This can lead to lower maintenance costs and longer machine life
Second, bearings can help to reduce vibration, which can improve the accuracy and precision of the machinery
This can lead to higher quality products and increased productivity
Finally, bearings can help to reduce noise levels, which can improve the working environment and increase worker satisfaction

9.How do you determine NUP221E bearings load capacity?
We actively participate in the NUP221EBearings 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
10.What maintenance procedures should be followed for NUP221E bearingss?
We have the leading technology and innovation capabilities, and attach importance to employee training and development, and provide promotion opportunities
1
Regularly inspect bearings for signs of wear or damage
2
Clean bearings regularly with a soft cloth and lubricate them with a light oil or grease
3
Check the bearing seals for any signs of damage or leakage
4
Check the bearing housing for any signs of corrosion or damage
5
Check the bearing mounting surfaces for any signs of wear or damage
6
Check the bearing preload and adjust as necessary
7
Check the bearing temperature and adjust as necessary
8
Check the bearing alignment and adjust as necessary
9
Check the bearing lubrication and adjust as necessary
10
Check the bearing clearance and adjust as necessary

11.How do NUP221E bearings contribute to machine reliability and uptime?
Bearings are essential components of machines, providing support and allowing for smooth, efficient operation
They help to reduce friction, minimize wear and tear, and reduce noise and vibration
By reducing friction, bearings help to increase machine reliability and uptime by reducing the likelihood of breakdowns and malfunctions
Additionally, bearings help to reduce energy consumption, which can help to reduce operational costs
12.What factors should be considered when choosing a NUP221E bearings?
We should have a stable supply chain and logistics capabilities, and provide customers with high -quality, low -priced NUP221E products
1
Load: The bearing must be able to support the load it will be subjected to
2
Speed: The bearing must be able to handle the speed of the application
3
Environment: The bearing must be able to withstand the environmental conditions it will be exposed to
4
Precision: The bearing must be able to provide the necessary precision for the application
5
Lubrication: The bearing must be able to handle the lubrication requirements of the application
6
Cost: The bearing must be cost-effective for the application
7
Availability: The bearing must be readily available for the application
13.How does contamination affect NUP221E bearings performance?
NUP221EBearings is not a product only, but also can help you comes to money-making
Contamination can cause a number of issues that can affect bearing performance
Contamination can cause increased friction, increased wear, and increased heat
This can lead to premature bearing failure, increased noise, and vibration
Contamination can also cause corrosion, which can lead to bearing seizure and failure
14.How do you inspect a NUP221E bearings for wear and damage?
We continuously upgrade our skills and knowledge to adapt to changing NUP221E market needs
1
Visually inspect the bearing for signs of wear, such as discoloration, scoring, or pitting
2
Check for any signs of corrosion or rust
3
Check for any signs of damage, such as cracks, chips, or dents
4
Check for any signs of misalignment or excessive play
5
Check for any signs of oil or grease leakage
6
Check for any signs of excessive heat or vibration
7
Check for any signs of abnormal noise or vibration
8
Check for any signs of bearing failure, such as excessive noise or vibration
15.How do you calculate the required NUP221E bearings size for a specific load condition?
We focus on innovation and continuous improvement to maintain a competitive advantage
The required bearing size for a specific load condition can be calculated using the following formula:
Bearing size = (Load x Bearing Factor) / (Bearing Life x RPM)
Where:
Load = The load applied to the bearing in pounds
Bearing Factor = A factor determined by the bearing manufacturer
Bearing Life = The expected life of the bearing in hours
RPM = The speed of the bearing in revolutions per minute
16.How do NUP221E bearings help in reducing wear and tear of moving parts?
Our mission is to provide customers with the best solutions for NUP221E
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
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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.