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.

 

 

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)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

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.

ball bearing

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.

ball bearing

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.

China Good quality Superior Quality Four Point Contact Ball Slewing Bearing 012.45.1600 014.45.1600 010.45.1800 for Medium Duty Cranes, Excavators and Other Engineering Machines   with Good qualityChina Good quality Superior Quality Four Point Contact Ball Slewing Bearing 012.45.1600 014.45.1600 010.45.1800 for Medium Duty Cranes, Excavators and Other Engineering Machines   with Good quality
editor by CX 2024-01-15