Place of Origin | Hongkong.china |
Type | BALL |
Structure | Deep Groove |
Model Number | 608 |
Seals Type | ZZ ZRS |
Product name | 71921C |
Material | Chrome Steel |
Application | Machinery |
Size | 2* 16* 4mm |
Weight | 0.02kg |
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 | 9472 Piece/Pieces per Day |
Quantity (pieces) | > 73859 |
Lead time (days) | 3~10 days |
Bore Size | 71.89 - 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 |
71921C bearings FAQs Guide Our 71921C 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 71921C 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 is the role of a 71921C bearings cage or retainer?
3.What is the expected lifespan of a 71921C bearings?
4.About 71921C bearings inventory
5.About 71921C bearings production capacity
6.What are the different types of 71921C bearings?
7.What maintenance procedures should be followed for 71921C bearingss?
8.How do you seal 71921C bearings for use in high-moisture environments?
9.Can 71921C bearings be reused after being removed from machinery?
10.What are the factors that affect 71921C bearings service life?
11.What are the safety precautions to be taken while handling 71921C bearings?
12.How do 71921C bearings help in weight reduction for equipment?
13.What are the benefits of using self-aligning 71921C bearings?
14.How do you calculate the required 71921C bearings size for a specific load condition?
15.What is the advantage of using tapered roller 71921C bearings?
16.How do 71921C bearings handle shock and vibration?
1.Can 71921C bearings reduce friction?
We maintain a stable growth through reasonable capital operations, focus on industry development trends and cutting -edge technologies, and focus on product quality and safety performance
Yes, bearings can reduce friction
Bearings are designed to reduce friction between two moving parts by providing a smooth surface for them to move against
They are used in a variety of applications, from automotive engines to industrial machinery
2.What is the role of a 71921C bearings cage or retainer?
A bearing cage or retainer is a component of a bearing assembly that helps to keep the rolling elements in place and evenly spaced
It also helps to reduce friction and noise, and can help to protect the bearing from dirt and debris

3.What is the expected lifespan of a 71921C bearings?
We operate our 71921CBearings business with integrity and honesty
The expected lifespan of a bearing depends on the type of bearing, the environment in which it is used, and the amount of load it is subjected to
Generally, bearings can last anywhere from 3 to 10 years, with some bearings lasting up to 30 years or more
4.About 71921C bearings inventory
Bearing inventory is a list of bearings that are available for purchase or use in a particular application
It includes information such as the type of bearing, its size, its load capacity, and its lubrication requirements
Bearing inventory is important for ensuring that the right bearing is used for the right application
It also helps to ensure that the bearings are properly maintained and replaced when necessary

5.About 71921C bearings production capacity
Bearing production capacity is determined by the size and complexity of the bearing, the type of material used, and the production process
The capacity of a bearing production line is typically determined by the number of machines and the speed of the production line
The capacity of a bearing production line can range from a few hundred pieces per hour to several thousand pieces per hour
6.What are the different types of 71921C 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

7.What maintenance procedures should be followed for 71921C 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
8.How do you seal 71921C 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

9.Can 71921C 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
10.What are the factors that affect 71921C bearings service life?
1
Bearing type: Different types of bearings have different service lives
2
Operating conditions: The operating conditions of the bearing, such as speed, load, temperature, and lubrication, can affect its service life
3
Quality of the bearing: The quality of the bearing, such as the material used and the manufacturing process, can affect its service life
4
Maintenance: Regular maintenance and inspection of the bearing can help to extend its service life
5
Environment: The environment in which the bearing is used can affect its service life

11.What are the safety precautions to be taken while handling 71921C bearings?
1
Wear protective gloves and safety glasses when handling bearings
2
Use a hoist or other lifting device to move heavy bearings
3
Keep bearings away from moisture and extreme temperatures
4
Use a clean, dry cloth to wipe off any dirt or debris from the bearing
5
Use a bearing puller to remove bearings from their housings
6
Inspect bearings for any signs of wear or damage before installation
7
Use the correct tools and techniques when installing bearings
8
Securely fasten bearings in their housings
9
Lubricate bearings according to the manufacturer’s instructions
10
Regularly inspect bearings for signs of wear or damage
12.How do 71921C bearings help in weight reduction for equipment?
Bearings help reduce weight in equipment by reducing friction and allowing components to move more freely
This reduces the amount of energy needed to move the equipment, which in turn reduces the overall weight of the equipment
Additionally, bearings can be made from lightweight materials such as aluminum or plastic, which further reduces the weight of the equipment
13.What are the benefits of using self-aligning 71921C bearings?
We have advanced production equipment and technology to meet the needs of customers, and can provide customers with high quality, low priced 71921C products
1
Self-aligning bearings are designed to compensate for misalignment between the shaft and the housing, which can occur due to manufacturing tolerances, installation errors, or thermal expansion
This helps to reduce wear and tear on the bearing and the shaft, and can extend the life of the bearing
2
Self-aligning bearings are also designed to reduce vibration and noise, which can be beneficial in applications where noise is a concern
3
Self-aligning bearings are also more tolerant of shock loads, which can be beneficial in applications where shock loads are present
4
Self-aligning bearings are also easier to install and maintain, as they do not require precise alignment during installation
14.How do you calculate the required 71921C 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
15.What is the advantage of using tapered roller 71921C 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
16.How do 71921C bearings handle shock and vibration?
We are a new 71921CBearings manufacturer
Bearings are designed to handle shock and vibration by using a combination of materials and design features
The bearing components are typically made of hardened steel, which is able to withstand high levels of shock and vibration
The bearing design also includes features such as lubrication grooves, which help to reduce friction and wear, and internal clearance, which helps to absorb shock and vibration
Tag:71915AC,NUP2314E,81105TVPB,51313,NJ303E
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.
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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.