Product Description
Product Description
Track Roller Bearings are designed to run on all types of tracks and to be used in cam drives, conveyor systems, etc.
Track Roller Bearings are either of heavy-duty cylindrical roller, needle bearing or ball bearing construction. Support Rollers are based on cylindrical or needle rollers.
Applications Of Track Roller Bearings
- Metals
- Mining, mineral processing and cement
- Railways
- Material handling
- Agriculture
- Construction
Versions Of Track Roller Bearings
Support Rollers Without Flange Rings, Without An Inner Ring
- RSTO Series
- RNA Series
Support Rollers Without Flange Rings, With An Inner Ring
- STO Series
- NA Series
Support Rollers With Flange Rings, With An Inner Ring
- NATR Series
- NATV Series
- PWTR Series
- NUTR Series
- NAST Series
- CYR Series
Cam Followers
- KR,KRE,KRV,KRVE Series
- NUKR,NUKRE Series
- PWKR,PWKRE Series
- CF,CFE,CFH Series
Product Parameters
Technical specification
NUTR series Yoke type track rollers can support high radial loads and axial loads arising from misalignments and skewed running and suitable for cam drives, slideways, conveying equipment, etc. Metric series, with two row full complement cylindrical rollers design, available with cylindrical OD(suffix X), includes labyrinth seals for higher temperatures.
| Bearing No. | Dimensions (mm) | Basic Load Rating (KN) |
Limited Speed |
Mass | ||||||||
| Shield Type | Sealed Type | d | D | B | C | d1 | r min | r1 min | C | Co | rpm | kg |
| NUTR 15 | NUTR 15.2RS | 15 | 35 | 19 | 18 | 20 | 0.6 | 0.3 | 12.00 | 13.44 | 5200 | 0.100 |
| NUTR 17 | NUTR 17.2RS | 17 | 40 | 21 | 20 | 22 | 1.0 | 0.5 | 14.72 | 18.08 | 4400 | 0.148 |
| NUTR 1542 | NUTR 1542.2RS | 15 | 42 | 19 | 18 | 20 | 0.6 | 0.3 | 14.48 | 17.52 | 5200 | 0.160 |
| NUTR 20 | NUTR 20.2RS | 20 | 47 | 25 | 24 | 27 | 1.0 | 0.5 | 22.40 | 28.00 | 3360 | 0.247 |
| NUTR 1747 | NUTR 1747.2RS | 17 | 47 | 21 | 20 | 22 | 1.0 | 0.5 | 17.04 | 22.40 | 4400 | 0.222 |
| NUTR 25 | NUTR 25.2RS | 25 | 52 | 25 | 24 | 31 | 1.0 | 0.5 | 23.20 | 30.00 | 2720 | 0.284 |
| NUTR 2052 | NUTR 2052.2RS | 20 | 52 | 25 | 24 | 27 | 1.0 | 0.5 | 25.20 | 32.80 | 3360 | 0.324 |
| NUTR 30 | NUTR 30.2RS | 30 | 62 | 29 | 28 | 38 | 1.0 | 0.5 | 32.00 | 40.00 | 2080 | 0.470 |
| NUTR 2562 | NUTR 2562.2RS | 25 | 62 | 25 | 24 | 31 | 1.0 | 0.5 | 28.40 | 40.00 | 2720 | 0.455 |
| NUTR 35 | NUTR 35.2RS | 35 | 72 | 29 | 28 | 44 | 1.1 | 0.6 | 35.60 | 48.00 | 1680 | 0.636 |
| NUTR 3072 | NUTR 3072.2RS | 30 | 72 | 29 | 28 | 38 | 1.0 | 0.5 | 38.00 | 51.20 | 2080 | 0.704 |
| NUTR 40 | NUTR 40.2RS | 40 | 80 | 32 | 30 | 51 | 1.1 | 0.6 | 44.00 | 60.00 | 1280 | 0.824 |
| NUTR 3580 | NUTR 3580.2RS | 35 | 80 | 29 | 28 | 44 | 1.1 | 0.6 | 40.80 | 57.60 | 1680 | 0.844 |
| NUTR 45 | NUTR 45.2RS | 45 | 85 | 32 | 30 | 55 | 1.1 | 0.6 | 44.80 | 62.40 | 1120 | 0.892 |
| NUTR 50 | NUTR 50.2RS | 50 | 90 | 32 | 30 | 60 | 1.1 | 0.6 | 45.60 | 64.80 | 1040 | 0.956 |
| NUTR 4090 | NUTR 4090.2RS | 40 | 90 | 32 | 30 | 51 | 1.1 | 0.6 | 52.80 | 76.00 | 1280 | 1.140 |
| NUTR 45100 | NUTR 45100.2RS | 45 | 100 | 32 | 30 | 55 | 1.1 | 0.6 | 56.80 | 85.60 | 1120 | 1.410 |
| NUTR 50110 | NUTR 50110.2RS | 50 | 110 | 32 | 30 | 60 | 1.1 | 0.6 | 60.80 | 96.00 | 1040 | 1.707 |
Packaging & Shipping
Our Advantages
1. We have over 10 years’ experience.
2. OEM or Non-Standard Bearings: Any requirement for Non-standard bearings is easily fulfilled by us due to our vast knowledge and links in the industry.
3. After Sales Service and Technical Assistance: Our company provides after-sales service and technical assistance as per the customer’s requirements and needs.
4. Quick Delivery: Our company provides just-in-time delivery with our streamlined supply chain.
5.We attend promptly to any customer questions. We believe that if our customers are satisfied then it proves our worth. Our customers are always given quick support.
Please contact us immediately if you have any questions.
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| Rolling Body: | Roller Bearings |
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| The Number of Rows: | Double |
| Material: | Bearing Steel |
| Customization: |
Available
| Customized Request |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How does proper installation and alignment impact the performance and longevity of track bearings?
Proper installation and alignment play a critical role in the performance and longevity of track bearings. Correct installation ensures that the bearings are positioned and secured accurately, while proper alignment ensures that the load is distributed evenly and the bearings operate smoothly. Here’s an explanation of how proper installation and alignment impact the performance and longevity of track bearings:
Installation Impact:
- Load Distribution: Proper installation ensures that the track bearings are aligned and positioned correctly, allowing for even load distribution. When bearings are installed incorrectly, the load may be unevenly distributed, leading to excessive wear on certain parts of the bearings and reduced overall performance.
- Stability and Rigidity: Accurate installation provides stability and rigidity to the track bearings. Properly secured bearings minimize the risk of movement or vibration during operation, which can cause additional stress, premature wear, and potential damage to the bearings and surrounding components.
- Reduction of Misalignment: Correct installation minimizes the chances of misalignment between the track bearings and the track or guide rails. Misalignment can lead to uneven loading, increased friction, and accelerated wear and tear on the bearings. Proper alignment reduces these issues, ensuring smooth and efficient operation.
- Prevention of Contamination: During installation, it is important to take precautions to prevent contamination of the track bearings. Proper handling techniques, cleanliness, and the use of appropriate tools or protective measures help avoid introducing dirt, dust, or debris that can compromise the bearing’s performance and longevity.
Alignment Impact:
- Reduced Friction and Wear: Proper alignment of track bearings helps minimize friction and wear. When bearings are misaligned, excessive forces and irregular motion can occur, leading to increased friction and accelerated wear. Proper alignment ensures that the bearings operate within their intended design parameters, reducing friction and promoting longevity.
- Optimal Load Distribution: Correct alignment ensures that the load is distributed evenly across the track bearings. This prevents excessive stress on specific areas of the bearings, reducing the risk of premature failure and extending their service life. Optimal load distribution also contributes to smoother operation and improved overall performance.
- Minimized Noise and Vibration: Proper alignment helps minimize noise and vibration during operation. Misaligned track bearings can result in irregular motion, leading to unwanted noise and vibration that can affect the performance, comfort, and efficiency of the machinery or equipment. Proper alignment promotes smoother and quieter operation.
- Improved Efficiency: When track bearings are correctly aligned, the machinery or equipment experiences reduced resistance and improved efficiency. Misalignment can result in energy losses, increased power consumption, and decreased overall efficiency. Proper alignment ensures optimal power transfer and minimizes energy wastage.
It is important to follow the manufacturer’s guidelines and recommendations for the specific track bearings being installed. Proper installation techniques, including accurate positioning, secure fastening, and appropriate alignment, contribute to the optimal performance, reliability, and longevity of track bearings in various applications.
Can track bearings withstand harsh environments or exposure to contaminants?
Track bearings are designed to operate in a wide range of environments, including harsh conditions and exposure to contaminants. However, the ability of track bearings to withstand such environments depends on their specific design, materials, and protective measures. Here’s a detailed explanation:
Many track bearings are engineered with features that enhance their resistance to harsh environments and contaminants. These features may include:
- Sealing and Shielding: Some track bearings are equipped with seals or shields that provide a physical barrier against contaminants such as dirt, dust, water, and debris. These seals or shields help prevent the entry of contaminants into the bearing’s internal components, reducing the risk of damage and premature wear.
- Corrosion Resistance: Track bearings intended for use in corrosive environments are often constructed from materials that offer high corrosion resistance. Stainless steel, for example, is commonly used due to its ability to withstand exposure to moisture, chemicals, and other corrosive substances.
- Specialized Coatings: Some track bearings may feature specialized coatings or surface treatments that provide additional protection against contaminants and harsh conditions. These coatings can enhance the bearing’s resistance to corrosion, abrasion, and chemical exposure.
- High-Temperature Capability: Certain track bearings are designed to withstand high-temperature environments. They are typically constructed using heat-resistant materials and lubricants that can maintain their structural integrity and performance even under extreme heat.
- Environmental Sealing: In applications where track bearings are exposed to extreme conditions, such as underwater or in highly dusty environments, special environmental sealing measures may be employed. These measures can include the use of advanced sealing technologies or the encapsulation of the bearings within protective housings.
While track bearings are designed to withstand harsh environments and exposure to contaminants, it is important to note that their performance and longevity can still be affected over time. Regular maintenance, including cleaning, inspection, and lubrication, is crucial to ensure proper functioning and to mitigate the impact of contaminants on the bearings.
It is recommended to consult the manufacturer’s specifications and guidelines for the track bearings being used in a specific application. Manufacturers often provide information on the environmental ratings and limits of their bearings, helping users determine the suitability of the bearings for particular harsh environments or exposure to contaminants.
By selecting track bearings with appropriate features, materials, and protection, and by implementing proper maintenance practices, it is possible to enhance the bearings’ ability to withstand harsh environments and exposure to contaminants, thereby maximizing their performance and longevity.
Are there specific materials commonly used in the construction of track bearings?
Yes, specific materials are commonly used in the construction of track bearings to ensure their durability, load-carrying capacity, and resistance to various operating conditions. Let’s discuss the materials commonly used for different components of track bearings:
- Outer and Inner Rings: The outer and inner rings of track bearings are typically made from high-quality bearing steels such as chrome steel (e.g., AISI 52100) or stainless steel. These materials offer excellent strength, hardness, and wear resistance. Chrome steel is the most commonly used material due to its favorable combination of mechanical properties and cost-effectiveness. In some cases, specialized alloys or heat-treated steels may be used to enhance specific properties like corrosion resistance or high-temperature performance.
- Rolling Elements: The rolling elements in track bearings are commonly made from bearing-grade steel or ceramic materials. Bearing-grade steel, similar to the materials used for the outer and inner rings, offers high strength and wear resistance. Ceramic materials, such as silicon nitride (Si3N4) or zirconia (ZrO2), are also used in certain applications where their advantages, such as high hardness, low density, and resistance to corrosion and high temperatures, are desired.
- Cage: The cage in track bearings is typically made from materials such as steel, brass, or engineered polymers. Steel cages are commonly used due to their strength and durability. Brass cages offer good corrosion resistance and are suitable for certain operating environments. Engineered polymers, such as polyamide (nylon), are used in applications where low friction, noise reduction, or lightweight design is desired.
- Seals or Shields: The seals or shields used in track bearings are made from various materials depending on the specific requirements. Common materials include rubber or synthetic elastomers for seals, and steel or stainless steel for shields. These materials provide effective protection against contaminants while maintaining proper lubrication within the bearing assembly.
- Lubrication: Lubricants used in track bearings can vary depending on the application and operating conditions. Common lubrication options include mineral oils, synthetic oils, and greases. The lubricant’s formulation is carefully chosen to provide adequate lubrication, reduce friction and wear, and protect against corrosion and contamination.
Overall, the choice of materials for track bearings is influenced by factors such as load requirements, operating conditions (including temperature and moisture levels), desired lifespan, and cost considerations. By selecting appropriate materials for each component, track bearings can deliver reliable performance and extended service life in a wide range of industrial and mechanical applications.
editor by CX 2024-02-15