Product Description
factory price 1203 self-aligning ball bearing
1203 self-aligning ball bearing more detail
| production name | factory price 1203 self-aligning ball bearing |
| brand | TFN/OEM |
| Model Number | 1203 |
| Dimension | 17X40X12mm |
| Basic dynamic load rating | 8.84kN |
| Basic static load rating | 2.2kN |
| Fatigue load limit | 0.12kN |
| Limiting speed | 24000r/min |
| Ring Material | Gcr15/ Carbon Steel/ Stainless Steel/ Si3N4/ ZrO2 |
| Cage Material | Steel/ Brass/ Nylon/ Custom |
| Precision | P0, P6, P5, or as requested |
| Vibration | ZV1, ZV2, ZV3, or as requested |
| Clearance | C0,C2,C3, or as requested |
| Quality standard | ISO9001:2000/ SGS |
| Quality Control Process | 1.Assembly |
| 2.Windage test2.Windage test | |
| 3.Cleaning | |
| 4.Rotary test | |
| 5.Greasing and gland | |
| 6.Noise inspection | |
| 7.Appearance inspection | |
| 8.Rust prevention | |
| 9.Product packaging | |
| Application | low noise machine,automobile,motorcycle,and the general machinery and etc. |
More model of self-aligning ball bearing
| Bearing Number | Boundary dimensions(mm) | Basic load ratings(kN) | Limiting speeds(rpm) | Mass(Kg) | ||||||
| d | D | B | rs min | Cr | Cor | Grease | Oil | (Approx.) | ||
| 12 Series | 1200 | 10 | 30 | 9 | 0.6 | 5.5 | 1.19 | 21,000 | 24,000 | 0.033 |
| 1201 | 12 | 32 | 10 | 0.6 | 5.6 | 1.27 | 18,000 | 22,000 | 0.04 | |
| 1202 | 15 | 35 | 11 | 0.6 | 7.45 | 1.75 | 16,000 | 19,000 | 0.049 | |
| 1203 | 17 | 40 | 12 | 0.6 | 7.9 | 2.01 | 14,000 | 17,000 | 0.072 | |
| 1204 | 20 | 47 | 14 | 1 | 9.9 | 2.61 | 13,000 | 15,000 | 0.116 | |
| 1205 | 25 | 52 | 15 | 1 | 12.1 | 3.3 | 11,000 | 13,000 | 0.138 | |
| 1206 | 30 | 62 | 16 | 1 | 15.6 | 4.65 | 9,200 | 11,000 | 0.217 | |
| 1207 | 35 | 72 | 17 | 1.1 | 15.8 | 5.1 | 8,000 | 9,400 | 0.317 | |
| 1208 | 40 | 80 | 18 | 1.1 | 19.3 | 6.55 | 7,100 | 8,400 | 0.414 | |
| 1209 | 45 | 85 | 19 | 1.1 | 21.9 | 7.35 | 6,400 | 7,500 | 0.457 | |
| 1210 | 50 | 90 | 20 | 1.1 | 22.7 | 8.1 | 5,800 | 6,800 | 0.515 | |
| 1211 | 55 | 100 | 21 | 1.5 | 26.8 | 10 | 5,300 | 6,200 | 0.692 | |
| 1212 | 60 | 110 | 22 | 1.5 | 30 | 11.5 | 4,900 | 5,800 | 0.879 | |
| 1213 | 65 | 120 | 23 | 1.5 | 31 | 12.5 | 4,500 | 5,300 | 1.13 | |
| 1214 | 70 | 125 | 24 | 1.5 | 34.5 | 13.8 | 4,200 | 4,900 | 1.24 | |
| 1215 | 75 | 130 | 25 | 1.5 | 39 | 15.7 | 3,900 | 4,600 | 1.33 | |
| 1216 | 80 | 140 | 26 | 2 | 40 | 17 | 3,700 | 4,300 | 1.65 | |
| 1217 | 85 | 150 | 28 | 2 | 49 | 20.8 | 3,500 | 4,100 | 2.06 | |
| 1218 | 90 | 160 | 30 | 2 | 57 | 23.5 | 3,300 | 3,800 | 2.51 | |
| 1219 | 95 | 170 | 32 | 2.1 | 64 | 27.1 | 3,100 | 3,600 | 3.1 | |
| 1220 | 100 | 180 | 34 | 2.1 | 69 | 29.7 | 2,900 | 3,400 | 3.7 | |
| 1221 | 105 | 190 | 36 | 2.1 | 74.5 | 32.5 | 2,800 | 3,300 | 4.34 | |
| 1222 | 110 | 200 | 38 | 2.1 | 80.5 | 35.5 | 2,600 | 3,100 | 5.15 | |
| 12K Series | 1203K | 17 | 40 | 12 | 0.6 | 7.9 | 2.01 | 14,000 | 17,000 | 0.076 |
| 1204K | 20 | 47 | 14 | 1 | 9.9 | 2.61 | 13,000 | 15,000 | 0.114 | |
| 1205K | 25 | 52 | 15 | 1 | 12.1 | 3.3 | 11,000 | 13,000 | 0.135 | |
| 1206K | 30 | 62 | 16 | 1 | 15.6 | 4.65 | 9,200 | 11,000 | 0.213 | |
| 1207K | 35 | 72 | 17 | 1.1 | 15.8 | 5.1 | 8,000 | 9,400 | 0.312 | |
| 1208K | 40 | 80 | 18 | 1.1 | 19.3 | 6.55 | 7,100 | 8,400 | 0.407 | |
| 1209K | 45 | 85 | 19 | 1.1 | 21.9 | 7.35 | 6,400 | 7,500 | 0.448 | |
| 1210K | 50 | 90 | 20 | 1.1 | 22.7 | 8.1 | 5,800 | 6,800 | 0.504 | |
| 1211K | 55 | 100 | 21 | 1.5 | 26.8 | 10 | 5,300 | 6,200 | 0.679 | |
| 1212K | 60 | 110 | 22 | 1.5 | 30 | 11.5 | 4,900 | 5,800 | 0.864 | |
| 1213K | 65 | 120 | 23 | 1.5 | 31 | 12.5 | 4,500 | 5,300 | 1.11 | |
| 1215K | 75 | 130 | 25 | 1.5 | 39 | 15.7 | 3,900 | 4,600 | 1.31 | |
| 1216K | 80 | 140 | 26 | 2 | 40 | 17 | 3,700 | 4,300 | 1.62 | |
| 1217K | 85 | 150 | 28 | 2 | 49 | 20.8 | 3,500 | 4,100 | 2.03 | |
| 1218K | 90 | 160 | 30 | 2 | 57 | 23.5 | 3,300 | 3,800 | 2.47 | |
| 1219K | 95 | 170 | 32 | 2.1 | 64 | 27.1 | 3,100 | 3,600 | 3.05 | |
| 1220K | 100 | 180 | 34 | 2.1 | 69 | 29.7 | 2,900 | 3,400 | 3.64 | |
| 1222K | 110 | 200 | 38 | 2.1 | 80.5 | 35.5 | 2,600 | 3,100 | 5.07 | |
| 1224K | 120 | 215 | 40 | 2.1 | 119.5 | 52.5 | 2,000 | 2,600 | 5.9 | |
deep groove ball bearing packaging
FAQ of deep groove ball bearing
1.Q:Are you a factory or trading company?
A:SEMRI Bearing is specialized in manufacturing and exporting bearings.
SEMRI Bearing have own factory and warehouse.
2.Q:Can I get some samples and do you offer the sample free?
A:Yes, sure, SEMRI Bearing are honored to offer you samples.Can you buy a ticket ?3.Q:What is the payment?
A: 30% T/T In Advance, 70% T/T Against Copy Of B/L
B: 100% L/C At Sight
4.Q:What is the MOQ for bearing?
A: SEMRI Bearing MOQ is 1 pc.
5.Q:What kind of service you can offer?
A:Technology support;Installation guidance;OE
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| Product Name: | 1203 Self-Aligning Ball Bearing |
|---|---|
| Size: | 17X40X12mm |
| Weight: | 0.36kg |
| Basic Dynamic Load Rating: | 8.84kn |
| Basic Static Load Rating: | 2.2kn |
| Fatigue Load Limit: | 0.12kn |
| Samples: |
US$ 1.2/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do self-aligning bearings enhance the overall efficiency and functionality of machinery and equipment?
Self-aligning bearings play a crucial role in enhancing the overall efficiency and functionality of machinery and equipment. Here’s a detailed explanation:
- Compensation for Misalignment:
One of the key benefits of self-aligning bearings is their ability to compensate for misalignment between the shaft and the housing. Misalignment can occur due to various factors such as shaft deflection, thermal expansion, or mounting errors. Self-aligning bearings have the capability to accommodate angular misalignment, axial displacement, and shaft deflection, ensuring smooth operation even in challenging conditions. By accommodating misalignment, self-aligning bearings minimize stress and wear on other components, reducing the risk of premature failure and improving overall machinery efficiency.
- Reduced Friction and Energy Consumption:
Self-aligning bearings are designed to operate with low friction, which helps to reduce energy consumption within the machinery or equipment. The rolling elements and raceways of self-aligning bearings are precisely engineered to minimize contact friction. This reduced friction results in lower power losses, allowing the machinery to operate more efficiently and potentially leading to energy savings.
- Increased Reliability and Service Life:
Self-aligning bearings contribute to the overall reliability and service life of machinery and equipment. By accommodating misalignment and reducing friction, they help to distribute loads evenly, minimize stress concentrations, and prevent premature wear and failures. This improved load distribution and reduced friction can extend the service life of other critical components, such as gears, shafts, and seals. Additionally, self-aligning bearings often feature robust designs and high-quality materials, further enhancing their durability and reliability in demanding operating conditions.
- Enhanced Performance in Challenging Environments:
Self-aligning bearings are well-suited for applications in challenging environments. They can withstand conditions such as high temperatures, extreme speeds, or contaminated operating conditions. The ability to accommodate misalignment and the use of specialized bearing materials and lubricants enable self-aligning bearings to maintain their performance and functionality in adverse conditions. This enhances the overall efficiency and reliability of machinery and equipment in industries such as mining, steel, paper, and food processing.
- Ease of Installation and Maintenance:
Self-aligning bearings are designed for ease of installation and maintenance. Their self-aligning capability simplifies the alignment process during installation, reducing the time and effort required. Additionally, self-aligning bearings often feature integrated seals or shields that help to protect against contamination and retain lubrication, resulting in reduced maintenance requirements. The ease of installation and maintenance of self-aligning bearings contributes to the overall efficiency of machinery and equipment by minimizing downtime and improving overall operational productivity.
Overall, self-aligning bearings enhance the efficiency and functionality of machinery and equipment by accommodating misalignment, reducing friction and energy consumption, increasing reliability and service life, performing well in challenging environments, and enabling easier installation and maintenance. By incorporating self-aligning bearings into their designs, engineers and equipment manufacturers can optimize performance, reduce downtime, and improve the overall efficiency of their machinery and equipment.
Can you explain the installation and alignment considerations for self-aligning bearings?
Proper installation and alignment are crucial for the optimal performance and longevity of self-aligning bearings. Here’s a detailed explanation of the installation and alignment considerations:
- Pre-Installation Preparation:
Prior to the installation of self-aligning bearings, it is essential to ensure a clean and suitable working environment. Here are some key considerations:
- Cleanliness: The work area should be clean and free from dust, dirt, and contaminants to prevent the ingress of foreign particles during the installation process.
- Tools and Equipment: Prepare the necessary tools and equipment required for the installation, including suitable lifting devices, torque wrenches, and lubrication apparatus.
- Inspection: Thoroughly inspect the bearing and its components for any signs of damage or defects. Replace any worn or damaged parts before proceeding with the installation.
- Lubrication: Apply the recommended lubricant to the bearing and ensure that it is properly distributed before installation. Lubrication helps reduce friction, prevent excessive wear, and facilitate smooth operation.
- Mounting Considerations:
When mounting self-aligning bearings, it is important to follow certain guidelines to ensure proper fit and alignment:
- Shaft and Housing Tolerances: Check the shaft and housing tolerances to ensure they comply with the specifications provided by the bearing manufacturer. Proper tolerances help achieve the correct fit and prevent excessive clearance or interference.
- Shaft and Housing Preparation: Clean the shaft and housing surfaces and remove any burrs or rough edges that could interfere with the bearing’s seating. Ensure that the shaft and housing are machined to the recommended tolerances and finishes.
- Mounting Method: There are various methods for mounting self-aligning bearings, including press fitting, thermal expansion, and hydraulic mounting. Follow the manufacturer’s instructions and recommended mounting method to ensure a secure and accurate fit.
- Sealing: If the self-aligning bearing has integral seals or shields, ensure that they are correctly positioned and aligned during installation. Proper sealing helps protect the bearing against contaminants and extends its service life.
- Tightening: When tightening the bearing onto the shaft or in the housing, use the recommended torque values provided by the manufacturer. Over-tightening can lead to excessive preload or damage, while under-tightening can result in insufficient seating and compromised performance.
- Alignment Considerations:
Proper alignment is crucial for self-aligning bearings to function optimally. Here are some alignment considerations:
- Angular Misalignment: Self-aligning bearings can accommodate angular misalignment to a certain degree. However, it is important to keep the misalignment within the manufacturer’s specified limits to prevent excessive stress and premature wear.
- Shaft Deflection: Consider the potential shaft deflection that may occur during operation and ensure that the self-aligning bearing can handle the expected deflection without exceeding its capacity. This may involve selecting a bearing with appropriate load-carrying capacity and considering additional support or stabilization measures.
- Alignment Verification: After installation, verify the alignment of the self-aligning bearing by measuring the axial and radial runout using appropriate alignment tools. Adjust the positioning if necessary to achieve the desired alignment within the specified tolerances.
By following these installation and alignment considerations, you can ensure the proper fit, alignment, and performance of self-aligning bearings. Adhering to the manufacturer’s guidelines and best practices helps maximize the lifespan and reliability of the bearings in various applications.
Can you describe the load-carrying capacity and load ratings of self-aligning bearings?
Self-aligning bearings are designed to carry both radial and axial loads, and their load-carrying capacity is an essential consideration for their proper selection and application. Here’s a detailed description of the load-carrying capacity and load ratings of self-aligning bearings:
- Radial Load Capacity:
The radial load capacity of a self-aligning bearing refers to its ability to carry loads that act perpendicular to the axis of rotation. It is influenced by factors such as bearing geometry, material properties, and internal design. Self-aligning bearings, particularly spherical roller bearings, are known for their high radial load-carrying capacity. This is due to their construction that includes multiple rows of robust rolling elements and optimized raceway profiles. The larger contact area between the rolling elements and raceways allows for efficient load distribution, enabling the bearing to handle substantial radial loads.
- Axial Load Capacity:
The axial load capacity of a self-aligning bearing refers to its ability to carry loads that act parallel to the axis of rotation. The axial load-carrying capacity depends on the bearing type and design, as well as the arrangement of rolling elements. Self-aligning thrust roller bearings, for example, are specifically designed to handle significant axial loads. They utilize cylindrical or tapered rolling elements arranged in a specific orientation to withstand axial forces. Self-aligning ball bearings can also carry moderate axial loads in addition to their primary radial load-carrying capacity.
- Dynamic Load Rating:
The dynamic load rating of a self-aligning bearing is a standardized value that indicates the maximum load that the bearing can sustain for a specified number of rotations or operating hours without experiencing premature fatigue failure. It is expressed in terms of the calculated dynamic equivalent radial or axial load, which takes into account the actual load distribution within the bearing. The dynamic load rating is typically provided by the manufacturer and allows engineers to compare and select bearings based on their expected performance under dynamic operating conditions.
- Static Load Rating:
The static load rating of a self-aligning bearing represents the maximum load that the bearing can sustain without permanent deformation or excessive stress when the bearing is stationary or subjected to very slow rotations. It is typically higher than the dynamic load rating. The static load rating is an important consideration for applications where the bearing may be subjected to prolonged static or slow-speed conditions, such as in machinery that operates with intermittent or intermittent rotational motion.
It is important to note that the load-carrying capacity and load ratings provided by manufacturers are based on standardized testing methods and assumptions about operating conditions. Actual load capacity can be influenced by factors such as temperature, lubrication, misalignment, and operating speed. Therefore, it is crucial to consider the specific application requirements and consult the manufacturer’s technical data and guidelines when selecting a self-aligning bearing to ensure its suitability and optimal performance.
editor by CX 2024-03-07
