Product Description
Product Parameters
Product Name | Deep Groove Ball Bearings | |
Brand Name | NMN | |
Material | Chrome Steel GCr15 Stainless Steel Ceramic Nylon | |
Cage | Steel Brass Nylon | |
Weight(kg) | 0.053 | |
Clearance | C0 C2 C3 C4 C5 | |
Seals Type | Open Z 2Z 2RS Znr 2RS1 2rsh 2rsl 2znr | |
Precision Grade | P0 P6 P5 P4 P2 | |
Vibration | V1 V2 V3 V4 | |
Quality | ABEC1, 3, 5, 7,9 | |
Load Rating(kN) | Cr | 40.5 |
Cor | 24 | |
Limiting Speed | Oil | 7200 |
Grease | 5800 | |
Service | OEM ODM | |
Sample | Available | |
Port | HangZhou/ZheJiang |
Product Details
Single row deep groove ball bearings are used in a wide variety of applications, they are simple in design, non-separable, suitable for high speeds and are robust in operation, and need little maintenance. Deep raceway grooves and the close conformity between the raceway grooves and the balls enable deep groove ball bearings to accommodate axial loads in both directions, in addition to radial loads.
6308 bearing has the advantages of low noise, low friction and high speed, and is equipped with sealing cover, grease, etc., to extend the life of the product.
We provide OEM, ODM and other services, and provide you with relevant consulting information to help you with bearing selection, clearance configuration, product life and reliability analysis. We offer localized shipping solutions to save your shipping costs.
We can provide free samples, can accept custom LOGO or drawings, can design packaging according to requirements.
Bearing Models
Number | Specifiction | Load Rating (KN) | Limiting Speed (r/min) | Weight(Kg/pc) | |||||
d(mm) | D(mm) | B(mm) | r(mm) | Cr | Cor | Grease | Oil | ||
6300 | 10 | 35 | 11 | 0.6 | 8.2 | 3.5 | 15000 | 21000 | 0.053 |
6301 | 12 | 37 | 12 | 1.0 | 9.7 | 4.2 | 14000 | 20000 | 0.06 |
6302 | 15 | 42 | 13 | 1.0 | 11.4 | 5.45 | 13000 | 18000 | 0.082 |
6303 | 17 | 47 | 14 | 1.0 | 13.5 | 6.55 | 12000 | 17000 | 0.115 |
6304 | 20 | 52 | 15 | 1.1 | 15.9 | 7.9 | 11000 | 15000 | 0.144 |
6305 | 25 | 62 | 17 | 1.1 | 21.2 | 10.9 | 10000 | 13000 | 0.2193 |
6306 | 30 | 72 | 19 | 1.1 | 26.7 | 15 | 8000 | 10000 | 0.3498 |
6307 | 35 | 80 | 21 | 1.5 | 33.5 | 19.1 | 6800 | 8000 | 0.4542 |
6308 | 40 | 90 | 23 | 1.5 | 40.5 | 24 | 5800 | 7200 | 0.6394 |
6309 | 45 | 100 | 25 | 1.5 | 53 | 32 | 5000 | 6200 | 0.8362 |
6310 | 50 | 110 | 27 | 2.0 | 62 | 38.5 | 4400 | 5500 | 1.0822 |
6311 | 55 | 120 | 29 | 2.0 | 74.1 | 45 | 4200 | 5300 | 1.35 |
6312 | 60 | 130 | 31 | 2.1 | 85.2 | 52 | 4000 | 5100 | 1.7 |
6313 | 65 | 140 | 33 | 2.1 | 97.5 | 60 | 3900 | 5000 | 2.1 |
6314 | 70 | 150 | 35 | 2.1 | 111 | 68 | 3800 | 4800 | 2.5 |
6315 | 75 | 160 | 37 | 2.1 | 119 | 76.5 | 3600 | 5600 | 3 |
6403 | 17 | 62 | 17 | 1.1 | 22.7 | 10.8 | 14000 | 1600 | 0.27 |
6404 | 20 | 72 | 19 | 1.1 | 28.5 | 13.9 | 12000 | 14000 | 0.4 |
6405 | 25 | 80 | 21 | 1.5 | 34.5 | 17.5 | 10000 | 12000 | 0.53 |
6406 | 30 | 90 | 23 | 1.5 | 43.5 | 25 | 8800 | 10000 | 0.735 |
6407 | 35 | 100 | 25 | 1.5 | 55 | 31 | 7800 | 9100 | 0.952 |
6408 | 40 | 110 | 27 | 2 | 63.5 | 36.5 | 7000 | 8200 | 1.23 |
6409 | 45 | 120 | 29 | 2 | 77 | 40 | 6300 | 7400 | 1.53 |
6410 | 50 | 130 | 31 | 2.1 | 83 | 43 | 5700 | 6700 | 1.88 |
6411 | 55 | 140 | 33 | 2.1 | 89 | 49.5 | 5200 | 6100 | 2.29 |
6412 | 60 | 150 | 35 | 2.1 | 102 | 0.49 | 4800 | 5700 | 2.77 |
6413 | 65 | 160 | 37 | 2.1 | 111 | 0.68 | 4400 | 5200 | 3.3 |
6414 | 70 | 180 | 42 | 3 | 128 | 0.885 | 4100 | 4800 | 4.83 |
6415 | 75 | 190 | 45 | 3 | 138 | 99 | 3800 | 4500 | 5.72 |
6416 | 80 | 200 | 48 | 3 | 164 | 125 | 3600 | 4200 | 6.76 |
6417 | 85 | 210 | 52 | 4 | 165 | 128 | 3400 | 4000 | 7.95 |
6418 | 90 | 225 | 54 | 4 | 184 | 149 | 3200 | 3800 | 11.4 |
6419 | 95 | 240 | 55 | 4 | 186 | 153 | 3000 | 3500 | 13.4 |
6420 | 100 | 250 | 58 | 4 | 206 | 175 | 2900 | 3400 | 15 |
Packaging & Shipping
·Plastic rolling packing + Plastic bag + Paper carton
·Single Box + Plastic rolling packing + Plastic bag + Paper carton+pallet
·According to customer requirement
Applications
About Us
ZheJiang CZPT Bearing Group is a professional bearing manufacturer and exporter in China. We have been engaged in bearing industry for 20 years. Our company is specialized in producing Deep Groove Ball Bearings, Tapered Roller Bearings, Spherical Roller Bearings and Special Bearings in accordance with Customers’ designs.Our bearings has been widely applied into agricultural equipments, home appliances, power equipments, machine tools, automotives and engineering machinery, etc.
Our production is strictly executed with ISO9001 and ISO14001. Our products are mainly exported to Singapore, South Kora, Vietnam, Thailand, Turkey, Pakistan, Australia, Polan, France, UK, South America, USA, South Africa and other countries and regions of the world, with great public praise of high quality and reasonable price.
Company Profile
FAQ
1.Q:Could you supply free sample of bearing for our test?
A:Yes. Please afford the express fee and we will send you the sample within your first order.
2.Q:Sample time?
A:Within 3-4 days.
3.Q:Are you a factory or a Trade Company for Bearing ?
A:We are the factory.
4.Q:Whether you could make your products by our color?
A:Yes, The color of products can be customized if you can meet our MOQ.
5.Q:Could you accept OEM and customize?
A:Yes, OEM and ODM are accepted and we can customize for you according to sample or drawing.
6.Q:Do you have stocks?
A:Yes, most of the bearings showing on alibaba are in stock,especialy big bearings.
We sincerely hope we can build a long term relationship with all the clients and we also have great confidence in cooperating with every potential customer by most premium service and competitive price.
Welcome your inquiry and welcome your visit.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Contact Angle: | Nmn |
---|---|
Aligning: | Non-Aligning Bearing |
Separated: | Unseparated |
Rows Number: | Single |
Load Direction: | Radial Bearing |
Material: | Bearing Steel |
Samples: |
US$ 0.01/Set
1 Set(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
---|
Differences Between Plain Sliding Bearings and Self-Lubricating Bearings
Plain sliding bearings and self-lubricating bearings are two distinct types of bearings used in various applications. Here are the key differences between them:
Plain Sliding Bearings:
- Plain sliding bearings, also known as bushings, are simple bearing components that consist of a cylindrical sleeve made of a bearing material.
- These bearings require external lubrication, such as grease or oil, to reduce friction and wear between the bearing and the shaft.
- Regular maintenance and lubrication are essential to ensure proper operation and longevity.
- Plain sliding bearings are cost-effective and suitable for applications where lubrication can be easily provided.
- They are commonly used in low-speed and low-load applications, where the shaft slides within the bearing.
Self-Lubricating Bearings:
- Self-lubricating bearings, also known as maintenance-free bearings, are designed to operate without the need for external lubrication.
- These bearings incorporate solid lubricants, such as graphite, PTFE (polytetrafluoroethylene), or other additives, directly into the bearing material.
- The solid lubricants are released gradually as the bearing operates, reducing friction and providing a consistent lubricating film.
- Self-lubricating bearings are ideal for applications where frequent maintenance or lubrication is impractical or not feasible.
- They are suitable for both low-load and high-load applications, as the self-lubricating properties help extend the bearing’s service life.
In summary, plain sliding bearings require external lubrication and are suitable for applications where lubrication can be provided, while self-lubricating bearings incorporate solid lubricants and operate without the need for regular maintenance. The choice between these two types depends on factors such as the application’s operating conditions, maintenance requirements, and budget considerations.
Signs of Wear or Damage in Sliding Bearings and Replacement Timing
Recognizing signs of wear or damage in sliding bearings is crucial for maintaining the performance and integrity of machinery and equipment. Here are the common signs to look for and the appropriate timing for replacement:
Increased Friction and Heat: If you notice higher levels of friction or heat around the bearing area, it could indicate that the bearing surfaces are experiencing excessive wear. Over time, this can lead to reduced efficiency and potentially cause further damage to the bearing and surrounding components.
Abnormal Noise: Unusual noises, such as grinding, squeaking, or knocking sounds, can indicate wear or damage within the sliding bearings. These noises are often caused by metal-to-metal contact or irregular movement of the bearing surfaces.
Uneven Wear Patterns: Inspect the bearing surfaces for uneven wear patterns, pitting, or scoring. These signs suggest that the bearing is not distributing the load properly, leading to localized damage and reduced performance.
Reduced Performance: If you notice a decline in the overall performance of the machinery or equipment, such as decreased output, slower operation, or reduced precision, it could be due to compromised sliding bearings.
Excessive Vibration: Excessive vibration can be a result of misaligned or damaged sliding bearings. Vibrations can affect the stability of the machinery and lead to premature wear of other components.
Visible Debris or Contamination: If you observe signs of debris, contaminants, or metal particles in the lubricant or around the bearing area, it could indicate wear or damage. Contaminants can accelerate wear and cause abrasive damage to the bearing surfaces.
Leakage of Lubricant: Sliding bearings often require proper lubrication to function effectively. If you notice a significant amount of lubricant leakage or seepage, it might be a sign that the bearing seals are compromised, which can lead to inadequate lubrication and accelerated wear.
Replacement Timing: It’s essential to replace sliding bearings as soon as signs of wear or damage are detected. Delaying replacement can lead to further deterioration, increased downtime, and potential damage to other components. Regular maintenance and inspections can help catch these issues early and prevent costly breakdowns.
Overall, monitoring the condition of sliding bearings through routine inspections and addressing signs of wear promptly can help ensure the longevity, efficiency, and reliability of machinery and equipment.
Impact of Proper Lubrication on Sliding Bearings
Proper lubrication plays a critical role in the performance and longevity of sliding bearings. Here’s how it affects their operation:
- Reduced Friction and Wear: Lubrication forms a thin film between the sliding surfaces of the bearing, reducing direct metal-to-metal contact. This minimizes friction and wear, which can significantly extend the bearing’s lifespan.
- Heat Dissipation: Lubricants help dissipate heat generated during operation by carrying away excess heat from the friction zones. This prevents overheating and potential damage to the bearing and surrounding components.
- Corrosion Prevention: Lubricants provide a protective barrier against moisture and corrosive substances, preventing the formation of rust and corrosion on the bearing surfaces.
- Sealing Effect: Proper lubrication can help create a sealing effect that prevents contaminants from entering the bearing, maintaining a clean and efficient operating environment.
- Noise and Vibration Reduction: Adequate lubrication helps dampen noise and reduce vibration caused by friction between bearing surfaces. This contributes to quieter and smoother operation.
- Enhanced Load Distribution: Lubrication ensures even load distribution across the bearing surfaces, preventing localized wear and extending the bearing’s overall life.
- Stability and Performance: Proper lubrication maintains consistent performance and stability by minimizing variations in friction and reducing the risk of sudden failures.
- Seizure Prevention: Lubricants prevent sliding surfaces from seizing or sticking together, even during periods of prolonged inactivity.
- Optimized Efficiency: Well-lubricated bearings experience less energy loss due to friction, resulting in improved overall efficiency of the machinery.
Choosing the right lubricant type, viscosity, and lubrication interval is crucial to ensuring the optimal performance and durability of sliding bearings. Regular maintenance and monitoring of lubrication levels are essential to prevent issues and extend the bearing’s service life.
editor by CX 2024-04-25