Product Description
UMZ Bearing ,The rolling element of bearing is taper roller, cone roller bearing inner circle has tapered roller.Conical extension all the to the same point on the axis bearing, tapered roller bearings belong to the body bearing, our company can according to customer’s special requirements, and design production, can provide a metric system size and non-standard bearings.
Tapered roller bearing can be a direction under high load, radial and axial practical in low and middle speed aspect, we are CZPT to offer the following range of bearings: single row, double row, four column type, precision for PO and level P6.
| Name: | JLM813049/JLm813571 813049/10 Inch Taper Tapered Roller Bearing Rulman |
| Model No. | JLM813049/JLm813571 813049/10 |
| Type: | Tapered Roller Bearing/Taper Roller Bearing |
| Weight: | Standard weight |
| Specifications: | Standard size |
| Material: | Chrome steel GCR-15 |
| CAGE: | Steel Cage and Nylon Cage |
| Rolling body: | Roller |
UMZ INCH TAPERED ROLLER BEARING
The structure, assembly dimension accuracy and rotation accuracy of Inch tapere roller bearings are different from those of metric bearings.It is mainly used for import-ed machinery or industries with special needs.
The Inch tapered roller bearing refers to the tapered roller bearing whose overall dimensions are measured in inches, originated from Britain and the United States;
Structure: single column, double column and 4 columns
UMZ Bearing-ZheJiang HangZhou Precision Bearing Co., Ltd. has the most advanced production equipment and perfect testing instruments. Tapered Roller Bearing, Auto wheel Bearing, Deep Groove Ball Bearing,Pillow Block Bearing,Cylindrical Roller Bearing are our main product which is strictly followed with the ISO9001 Quality Management System Standard and IATF16949 Quality Standard. The company has registered trademark “UMZ”. The products have been sold to all over the world and have replaced some of the imported products. What’s more, The products have been exported to more than 20 countries and the areas, such as the USA,Italy,Mexico,Russia,Brazil,Spain and Middle-east,etc., which is Deeply Prided by new and old customers.
Assembly Workshop
Test Workhouse
The company has complete detection means, measure and improve the means of detection means,online detection and performance of finished bearings. Have life test machine, grease leakage temperature rise test, cleanliness measuring device, roundness instrument, curvature tester, roughness tester, liquid gap tester, vibration instrument and various bearing special inspection instrument the key of high precision instruments such as CZPT instrument, roundness instrument etc. are from Britain, Japan and other countries to introduce merit, not only the formation of the strict product quality inspection system, and fully capable of independent research and Analysis on the bearing performance indexes.
Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1.12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.
Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.
Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.
Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.
Q:Do you offer free samples?
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users.
Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you;
2. Proforma Invoice made and sent to you as the price agreed by both parts;
3. Deposit Payment after confirming the PI and we arrange production;
4. Balance paid before shipment or after copy of Bill of Loading.
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| Precision: | P0 P6 P5 ABEC1 ABEC3 ABEC5 |
|---|---|
| Cage: | Steel Cage and Nylon Cage |
| Inner and Outer Cage: | Super Finished |
| Brand: | Umz, OEM |
| Factory or Trader: | Factory |
| Hardness: | 59-62 |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?
Proper lubrication is essential for ensuring optimal performance and longevity of tapered roller bearings. Lubrication plays a critical role in reducing friction, preventing wear, and managing heat generated during operation. Here’s how proper lubrication impacts tapered roller bearings:
- Reduced Friction:
Lubrication forms a thin film between the rolling elements and raceways, reducing direct metal-to-metal contact. This minimizes friction and the associated heat generation, allowing the bearing to operate smoothly and efficiently.
- Wear Prevention:
Lubrication forms a protective barrier that prevents wear and surface damage. Without proper lubrication, friction can lead to accelerated wear, pitting, and even surface scoring, shortening the bearing’s lifespan.
- Heat Dissipation:
Effective lubrication helps dissipate heat generated during operation. This is especially crucial in high-speed applications where excessive heat can lead to premature bearing failure or degradation of lubricant properties.
- Corrosion Protection:
Lubrication helps create a barrier that protects bearing surfaces from environmental factors that could lead to corrosion. This is particularly important in applications exposed to moisture, chemicals, or other corrosive agents.
- Noise and Vibration Reduction:
Proper lubrication can dampen vibrations and reduce noise by providing a cushioning effect between the rolling elements and raceways. This contributes to smoother and quieter operation.
- Longevity:
Well-lubricated bearings experience less wear and stress, leading to extended service life. Bearings that are inadequately lubricated or run dry are prone to premature failure due to excessive wear, heat buildup, and damage to bearing surfaces.
- Efficiency:
Adequate lubrication maintains the bearing’s efficiency by minimizing energy losses due to friction. Bearings that lack proper lubrication require more energy to overcome higher friction levels, resulting in reduced efficiency.
- Lubrication Methods:
Various lubrication methods are available, including grease lubrication and oil lubrication. The choice depends on factors such as speed, load, temperature, and application requirements.
To ensure proper lubrication:
- Follow Manufacturer Recommendations:
Consult the bearing manufacturer’s recommendations for lubricant type, viscosity, and replenishment intervals.
- Monitor and Maintain:
Regularly monitor the condition of the lubricant and the bearing’s performance. Implement a maintenance schedule for lubricant replacement or replenishment.
- Environmental Considerations:
Consider the operating environment’s temperature, contamination levels, and exposure to external elements. Some applications may require special lubricants for extreme conditions.
In summary, proper lubrication is crucial for maintaining tapered roller bearings’ performance, preventing wear, reducing friction and heat, and extending their lifespan. A well-lubricated bearing contributes to smoother operation, lower maintenance costs, and improved efficiency.
How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?
Proper lubrication is essential for ensuring optimal performance and longevity of tapered roller bearings. Lubrication plays a critical role in reducing friction, preventing wear, and managing heat generated during operation. Here’s how proper lubrication impacts tapered roller bearings:
- Reduced Friction:
Lubrication forms a thin film between the rolling elements and raceways, reducing direct metal-to-metal contact. This minimizes friction and the associated heat generation, allowing the bearing to operate smoothly and efficiently.
- Wear Prevention:
Lubrication forms a protective barrier that prevents wear and surface damage. Without proper lubrication, friction can lead to accelerated wear, pitting, and even surface scoring, shortening the bearing’s lifespan.
- Heat Dissipation:
Effective lubrication helps dissipate heat generated during operation. This is especially crucial in high-speed applications where excessive heat can lead to premature bearing failure or degradation of lubricant properties.
- Corrosion Protection:
Lubrication helps create a barrier that protects bearing surfaces from environmental factors that could lead to corrosion. This is particularly important in applications exposed to moisture, chemicals, or other corrosive agents.
- Noise and Vibration Reduction:
Proper lubrication can dampen vibrations and reduce noise by providing a cushioning effect between the rolling elements and raceways. This contributes to smoother and quieter operation.
- Longevity:
Well-lubricated bearings experience less wear and stress, leading to extended service life. Bearings that are inadequately lubricated or run dry are prone to premature failure due to excessive wear, heat buildup, and damage to bearing surfaces.
- Efficiency:
Adequate lubrication maintains the bearing’s efficiency by minimizing energy losses due to friction. Bearings that lack proper lubrication require more energy to overcome higher friction levels, resulting in reduced efficiency.
- Lubrication Methods:
Various lubrication methods are available, including grease lubrication and oil lubrication. The choice depends on factors such as speed, load, temperature, and application requirements.
To ensure proper lubrication:
- Follow Manufacturer Recommendations:
Consult the bearing manufacturer’s recommendations for lubricant type, viscosity, and replenishment intervals.
- Monitor and Maintain:
Regularly monitor the condition of the lubricant and the bearing’s performance. Implement a maintenance schedule for lubricant replacement or replenishment.
- Environmental Considerations:
Consider the operating environment’s temperature, contamination levels, and exposure to external elements. Some applications may require special lubricants for extreme conditions.
In summary, proper lubrication is crucial for maintaining tapered roller bearings’ performance, preventing wear, reducing friction and heat, and extending their lifespan. A well-lubricated bearing contributes to smoother operation, lower maintenance costs, and improved efficiency.
Can you Explain the Design and Construction of Tapered Roller Bearings?
The design and construction of tapered roller bearings are characterized by their conical geometry and specific components that enable them to handle radial and axial loads simultaneously. Here’s an overview of their design and construction:
- Components:
Tapered roller bearings consist of the following components:
- Inner Ring:
The inner ring has a conical raceway on its inner surface, which matches the conical shape of the rollers. It serves as the raceway for the rollers and provides support to the rotating assembly.
- Outer Ring:
The outer ring also features a conical raceway on its inner surface that complements the shape of the rollers. The outer ring provides a rigid structure to house the entire bearing assembly.
- Tapered Rollers:
The rollers have a conical shape with varying diameters along their length. This design allows the rollers to make point contact with the inner and outer raceways, distributing loads efficiently.
- Cage:
The cage or retainer holds the rollers in position, maintaining proper spacing and preventing them from coming into contact with each other. The cage material can vary, and its design may affect factors like friction and heat generation.
- Conical Geometry:
The distinguishing feature of tapered roller bearings is their conical geometry. The conical angle is defined by the contact angle between the roller axis and the bearing axis. This angle facilitates effective load distribution and axial load support.
- Load Distribution:
The conical shape of the rollers and raceways allows tapered roller bearings to handle both radial and axial loads. Radial loads are primarily supported by the larger diameter of the rollers at the large end of the cone, while axial loads are absorbed by the smaller diameter near the small end of the cone.
- Adjustable Clearance and Preload:
Many tapered roller bearings allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s internal play, optimizing performance and minimizing friction.
- Thrust Capability:
Tapered roller bearings can handle thrust (axial) loads in one direction, making them suitable for applications where axial loads need to be managed along with radial loads.
- Applications:
Tapered roller bearings find applications in various industries, including automotive, heavy machinery, aerospace, and more. They are used in scenarios that require efficient load distribution and handling of combined loads.
In summary, tapered roller bearings are designed with conical geometry to accommodate both radial and axial loads. Their specific components, such as tapered rollers and a cage, work together to ensure effective load distribution, making them suitable for a wide range of industrial applications.
editor by CX 2024-04-30