Product Description
Product Description
Four-point contact ball slewing bearing is composed of 2 seat-rings. It is compact in design and light in weight . The balls contact with the circular race at 4 points, which can support high dynamic loads , transmitting axial and radial forces simultaneously as well as the resulting tilting moments.
It is mainly used for slewing conveyors , welding arm and positioner, medium duty cranes ,excavators and other engineering machines.
Product Parameters
Product Specification
Designations | Boundary dimensions(mm) | Bolt hole diameter         ( mm) | Structure dimensions(mm) | Gear | Mass | ||||||||||||||
Non-gear type | External gear type | Internal gear type | D | d | H | D1 |  D2 | n | <P | D3 | d1 | H1 | h | n3 | <p3 | m | Da Z | kg | |
571-30-500 | 011-30-500 | 013-30-500 | 602 | 398 | 80 | 566 | 434 | 20 | 18 | 498.5 | 501.5 | 70 | 10 | 4 | M10x1 | 5 | 630 | 123 | 75.8 |
 | 012-30-500 | 014-30-500 | 602 | 398 | 80 | 566 | 434 | 20 | 18 | 498.5 | 501.5 | 70 | 10 | 4 | M10x1 | 6 | 630 | 102 | 75.8 |
571-30-560 | 011-30-560 | 013-30-560 | 662 | 458 | 80 | 626 | 494 | 20 | 18 | 558.5 | 561.5 | 70 | 10 | 4 | M10x1 | 5 | 690 | 135 | 94 |
 | 014-30-560 | 662 | 458 | 80 | 626 | 494 | 20 | 18 | 558.5 | 561.5 | 70 | 10 | 4 | M10«1 | 6 | 690 | 112 | 94 | |
571-30-630 | 011-30-630 | 013-30-630 | 732 | 528 | 80 | 696 | 564 | 24 | 18 | 628.5 | 631.5 | 70 | 10 | 4 | M10x1 | 6 | 774 | 126 | 110 |
 | 012-30-630 | 014-30-630 | 732 | 528 | 80 | 696 | 564 | 24 | 18 | 628.5 | 631.5 | 70 | 10 | 4 | M10x1 | 8 | 776 | 94 | 110 |
571-30-710 | 011-30-710 | 013-30-710 | 812 | 608 | 80 | 776 | 644 | 24 | 18 | 708.5 | 711.5 | 70 | 10 | 4 | M10x1 | 6 | 852 | 139 | 120 |
 | 012-30-710 | 014-30-710 | 812 | 608 | 80 | 776 | 644 | 24 | 18 | 708.5 | 711.5 | 70 | 10 | 4 | M10x1 | 8 | 856 | 104 | 120 |
571-40-800 | 013-40-800 | 922 | 678 | 100 | 878 | 722 | 30 | 22 | 798.5 | 801.5 | 90 | 10 | 6 | M10x1 | 8 | 968 | 118 | 256 | |
 | 012-40-800 | 014-40-800 | 922 | 678 | 100 | 878 | 722 | 30 | 22 | 798.5 | 801.5 | 90 | 10 | 6 | M10x1 | 10 | 970 | 94 | 256 |
571-40-900 | 011-40-900 | 013-40-900 | 1571 | 778 | 100 | 978 | 822 | 30 | 22 | 898.5 | 901.5 | 90 | 10 | 6 | M10x1 | 8 | 1064 | 130 | 240 |
 | 01240 900 | 014-40-900 | 1571 | 778 | 100 | 978 | 822 | 30 | 22 | 898.5 | 901.5 | 90 | 10 | 6 | M10x1 | 10 | 1070 | 104 | 240 |
571-40-1000 | 011-40-1000 | 013-40-1000 | 1122 | 878 | 100 | 1078 | 922 | 36 | 22 | 998.5 | 1002 | 90 | 10 | 6 | M10x1 | 10 | 1190 | 116 | 305 |
 | 012-40-1000 | 014-40-1000 | 1122 | 878 | 100 | 1078 | 922 | 36 | 22 | 998.5 | 1002 | 90 | 10 | 6 | M10«1 | 12 | 1188 | 96 | 305 |
571-40-1120 | 011-40-1120 | 013-40-1120 | 1242 | 998 | 100 | 1198 | 1042 | 36 | 22 | 1118 | 1122 | 90 | 10 | 6 | M10x1 | 10 | 1300 | 127 | 300 |
 | 012-40-1120 | 014-40-1120 | 1242 | 998 | 100 | 1198 | 1042 | 36 | 22 | 1118 | 1122 | 90 | 10 | 6 | M10«1 | 12 | 1308 | 106 | 300 |
571-45-1250 | 011-45-1250 | 013-45-1250 | 1390 | 1110 | 110 | 1337 | 1163 | 40 | 26 | 1248 | 1252 | 100 | 10 | 6 | M10x1 | 12 | 1452 | 118 | 420 |
 | 012-45-1250 | 014-45-1250 | 1390 | 1110 | 110 | 1337 | 1163 | 40 | 26 | 1248 | 1252 | 100 | 10 | 6 | M10x1 | 14 | 1456 | 101 | 420 |
571-45-1400 | 011-45-1400 | 013-45-1400 | 1540 | 1260 | 110 | 1487 | 1313 | 40 | 26 | 1398 | 1402 | 100 | 10 | 6 | M10x1 | 12 | 1608 | 131 | 480 |
 | 012-45-1400 | 014-45-1400 | 1540 | 1260 | 110 | 1487 | 1313 | 40 | 26 | 1398 | 1402 | 100 | 10 | 6 | M10x1 | 14 | 1610 | 112 | 480 |
571-45-1600 | 012-45-1600 | 013-45-1600 | 1740 | 1460 | 110 | 1687 | 1513 | 45 | 26 | 1598 | 1602 | 100 | 10 | 8 | M10x1 | 14 | 1820 | 127 | 550 |
 | 012-45-1600 | 014-45-1600 | 1740 | 1460 | 110 | 1687 | 1513 | 45 | 26 | 1598 | 1602 | 100 | 10 | 8 | M10«1 | 16 | 1824 | 111 | 550 |
571-45-1800 | 011-45-1800 | 013-45-1800 | 1940 | 1660 | 110 | 1887 | 1713 | 45 | 26 | 1798 | 1802 | 100 | 10 | 8 | M10x1 | 14 | 2016 | 141 | 610 |
 | 012-45-1800 | 014-45-1800 | 1940 | 1660 | 110 | 1887 | 1713 | 45 | 26 | 1798 | 1802 | 100 | 10 | 8 | M10x1 | 16 | 2016 | 123 | 610 |
571-60-2000 | 011-60-2000 | 013-60-2000 | 2178 | 1825 | 144 | 2110 | 1891 | 48 | 33 | 1998 | 2002 | 132 | 12 | 8 | M10x1 | 16 | 2272 | 139 | 1100 |
 | 012-60-2000 | 014-60-2000 | 2178 | 1825 | 144 | 2110 | 1891 | 48 | 33 | 1998 | 2002 | 132 | 12 | 8 | M10x1 | 18 | 2268 | 123 | 1100 |
571-60-2240 | 011-60-2240 | 013-60-2240 | 2418 | 2065 | 144 | 2350 | 2131 | 48 | 33 | 2238 | 2243 | 132 | 12 | 8 | M10x1 | 16 | 2496 | 153 | 1250 |
 | 012-60-2240 | 014-60-2240 | 2418 | 2065 | 144 | 2350 | 2131 | 48 | 33 | 2238 | 2243 | 132 | 12 | 8 | M10x1 | 18 | 2502 | 136 | 1250 |
571-60-2500 | 011-60-2500 | 013-60-2500 | 2678 | 2325 | 144 | 2610 | 2391 | 56 | 33 | 2498 | 2503 | 132 | 12 | 8 | M10*1 | 18 | 2772 | 151 | 1400 |
 | 012-60-2500 | 014-60-2500 | 2678 | 2325 | 144 | 2610 | 2391 | 56 | 33 | 2498 | 2503 | 132 | 12 | 8 | M10x1 | 20 | 2780 | 136 | 1400 |
571-60-2800 | 011-60-2800 | 013-60-2800 | 2978 | 2625 | 144 | 2910 | 2691 | 56 | 33 | 2798 | 2803 | 132 | 12 | 8 | M10x1 | 18 | 3078 | 168 | 1600 |
 | 012-60-2800 | 014-60-2800 | 2978 | 2625 | 144 | 2910 | 2691 | 56 | 33 | 2798 | 2803 | 132 | 12 | 8 | M10«1 | 20 | 3080 | 151 | 1600 |
571-75-3150 | 011-75-3150 | 013-75-3150 | 3376 | 2922 | 174 | 3286 | 3014 | 56 | 45 | 3148 | 3153 | 162 | 12 | 8 | M10x1 | 20 | 3480 | 171 | 2800 |
 | 012-75-3150 | 014-75-3150 | 3376 | 2922 | 174 | 3286 | 3014 | 56 | 45 | 3148 | 3153 | 162 | 12 | 8 | M10x1 | 22 | 3476 | 155 | 2800 |
571-75-3550 | 011-75-3550 | 013-75-3550 | 3776 | 3322 | 174 | 3686 | 3414 | 56 | 45 | 3548 | 3553 | 162 | 12 | 8 | M10x1 | 20 | 3880 | 191 | 3200 |
 | 012-75-3550 | 014-75-3550 | 3776 | 3322 | 174 | 3686 | 3414 | 56 | 45 | 3548 | 3553 | 162 | 12 | B | M10x1 | 22 | 3894 | 174 | 3200 |
571-75-4000 | 011-75-4000 | 013-75-4000 | 4226 | 3772 | 174 | 4136 | 3864 | 60 | 45 | 3998 | 4003 | 162 | 12 | 10 | M10x1 | 22 | 4334 | 194 | 3600 |
 | 012-75-4000 | 014-75-4000 | 4226 | 3772 | 174 | 4136 | 3864 | 60 | 45 | 3998 | 4003 | 162 | 12 | 10 | M10x1 | 25 | 4350 | 171 | 3600 |
571-75-4500 | 011-75-4500 | 013-75-4500 | 4726 | 4272 | 174 | 4636 | 4364 | 60 | 45 | 4498 | 4503 | 162 | 12 | 10 | M10x1 | 22 | 4840 | 217 | 4000 |
 | 012-75-4500 | 014-75-4500 | 4726 | 4272 | 174 | 4636 | 4364 | 60 | 45 | 4498 | 4503 | 162 | 12 | 10 | M10x1 | 25 | 4850 | 191 | 4000 |
Company Profile
HangZhou solarich machinery Co., Ltd. is a professional manufacturer of bearings, We can design and manufacture single-row ball slewing bearings, double-row ball slewing bearings, three-row roller slewing bearings, ball combination slewing bearings, crossed roller bearings, crossed tapered roller bearings Bearings, slewing drives and custom bearings.
Subordinate factories use high-quality chrome steel and stainless steel as raw materials, specializing in the design, development and manufacture of deep groove ball bearings, stainless steel bearings, stainless steel outer ball bearings , tapered bearings , cylindrical bearings, needle bearing , thrust bearing , bearing housing and non-standard bearings.
Adhering to the business philosophy of “Quality and Integrity”, we will continue to provide excellent bearings and high-quality services to serve global customers.
Our Advantages
With a professional team and advanced manufacturing technology, it is in a leading position in the research and development of slewing rings and customized bearings, with reasonable design structure, light weight, strong bearing capacity and strong versatility. Bearing diameters range from 200 to 15000mm, with accuracies covering P0, P6 and P5 grades. Our slewing rings, precision bearings and custom bearings are used in a wide range of industries including construction, engineering, mining, marine, chemical, wind turbines, medical equipment etc.
Playground Equipment
Slewing bearing can provide excellent performance experience and safety guarantee for amusement equipment, and the durability of slewing bearing is also the main concern of technical engineers. For more than 20 years, slewing bearing solutions have been used in many key applications of large amusement equipment. reflect.
We designed the cross-sectional area to remain the same as the raceway center distance increased, and the slewing ring achieves better dynamic capabilities with less mass.
Key advantages include:
* Lighter weight
* Save spaighter weightce
* Long life and lower maintenance costs
* Better stiffness
* Better lubrication in extreme conditions
Medical Device
With the comprehensive development of scientific and technological strength, the social economyu has been improved faster, and the medical equipment has also been comprehensively improved.
Mining & construction machinery
Mining machinery and heavy construction machinery industry uses a range of different types of highly specialized mobile machinery. . The places where mining machinery and construction machinery are active are mostly mining sites such as mountains and deserts that are far away from ordinary human life. These heavy machinery work in the harshest environments and require continuous low-friction work without reducing load capacity and minimum. assembly and adjustment time. Solving the bearing heating problem caused by the large exciting force, high vibration frequency and continuous operation of vibratory rollers for users has become the focus of the work. Mineral crushing machinery, cutting machinery, screening machinery, loading machinery, conveying machinery and other equipment in the use environment of bearings, users desire products with robustness, durability and high reliability to resist these harsh working conditions.
Transportation vehicle
Metric and inch needle roller bearings have various structural types, mainly including open drawn cup needle roller bearings, closed drawn cup needle roller bearings, needle roller bearings with inner ring and needle roller bearings without inner ring/without inner ring Cage needle roller bearings, caged and cageless needle roller bearings. Widely used in automobiles, motorcycles, mopeds, power tools, textiles, agricultural machinery, printing machinery, construction machinery, automatic instruments and other fields.
Automatic machinery
Industrial robot bearings mainly include 2 categories: 1 is thin-walled bearings, and the other is crossed cylindrical roller bearings. In addition, there are harmonic reducer bearings, linear roller bearings, spherical plain bearings, etc. Bearings with good performance have large bearing capacity, good rigidity, high rotation precision and easy installation.
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Packaging & Shipping
FAQ
Q: Are you trading company or manufacturer?
A: We are bearing manufacturer.
Q: How do you control quality of bearing?
A: All products and services passed ISO9001-2008 Quality Certificate.
Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail  for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.
Q: Is sample avaiable?
A: Yes, sample order is acceptable.
Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.
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Standard or Nonstandard: | Nonstandard |
---|---|
Sealing Gland: | Non-Seal |
Rolling-Element Number: | Double-Row |
Roller Type: | Spherical Raceway |
Material: | Stainless Steel |
Type: | No Gear |
Samples: |
US$ 20/Set
1 Set(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
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Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-01-15