Product Description

VE140A01 OEM or ODM Four point contact ball slewing bearings for Rotary conveyors, welding manipulators, small and medium cranes, and excavators machine parts

Slewing bearing is mainly used in cranes
Material: 42CrMO,Gcr15 and other
Support customized inner ring sizes:200mm to 5000mm,
Type: gearless type, internal gear type, external gear type, integral type, and split type.

Application:
Excavators – Drilling rigs – Mining Equipments – Cranes   -Offshore Equipment – Vehicles  – Machine Tools  – Wind Turbines

Our Bearing Advantage:

1. Free Sample bearing;

2.ISO Standard;

3. Bearing Small order accepted;

4. In Stock bearing;

5. OEM/ODM bearing service;

6. Professional: more than 20 years of manufacture bearing;

7. Customized bearing, Customer’s bearing drawing or samples accepted;

8. Competitive price bearing: factory outlet.
 

Product Description

 

 

Type • Single row 4 point contact ball slewing bearing 
• Single-row crossed cylindrical roller slewing bearings
• Double row ball slewing bearings
•Double row Roller/ball combination slewing bearing
•Three-Row Roller Slew Ring Bearing
Rolling elements Steel ball / Cylinder Roller
Rolling elements Material GCr5/GCr15SiMn/Customized
Bearing Material 50Mn/42CrMo/42CrMo4V /Customized
Cage Material Nylon/ steel /copper
Structure taper pin, Mounting holes, Inner ring, grease fitting, load plug, seals, roller, spacer balls, or separators
Outer diameter 50-10000mm
Bore size 50-10000mm
Mounting hole Through-hole/Tapped hole
Raceway hardness 55-62HRC
Inner and outer ring 
modulation hardness
229-269HB/Customized
Gear type No gear, Internal gear, External gear.
Embellish grease EP2 lithium lubricating grease
Certificate ABS.BV,DNV,ISO9001,GL,3.1,3.2
Application area Ladle turret, Stacker crane, Bucket wheel machine, Solar heliostat Tracking System, port crane, Cabling machine, tower crane, offshore platform, Ferris wheel, Palletizing robot, Rotary metallurgical furnace, can packing machine, Wind blade transporter, shield tunneling machine, tube push bench, excavator
Brand Name JRZC
Warranty 12 months
Payment term T/T is our first choice

Packing details

1, Filling with anti-rust oil
2. Corved with Plastic paper
3. Corved with kraft paper 
4. Corved with Blue tie 
5. Put in a wooden box

 

Drawing No. Balltrackdia. DL [mm]               Tooth width Permissible tangential forces normal Permissible tangential forces maximum
Weight Outer diameter Inner diameter Overall External Internal Number of bolts 
(O.D.) (I.D) height bolt circle dia. bolt circle dia. holes per hole circle
Da Di H La Li n b    
  [kg] [mm] [mm]  [mm]    [mm]  [mm] [mm]   [mm] [kN] [kN]
011.20.571.000.11.1504           011.20.571.001.21.1504 101 862,8 679 82 800 706 24 50 1560                       2400   3120                    4800
011.20.571.000.11.1504 011.20.571.001.21.1504 128 1078,4 895 82 1015 922 30 50 2080                       3200 4160                      6400
011.20.1220.000.11.1504 011.20.1220.001.21.1504 178 1342,4 1140 82 1270 1170 48 58 2915                        4483 5830                     8966
011.20.1385.000.11.1504 011.20.1385.001.21.1504 201 1502,4 1305 82 1435 1335 54 58 2915                        4483 5830                     8966
011.25.1200.600.11.1503  011.25.1200.601.21.1503 301 1378,6 1100 102 1290 1135 36 76 4770
6975 
9540            13950
011.25.1461.000.11.1503  011.25.1461.001.21.1503 381 1648,6 1360 102 1555 1395 40 76 4770
6975 
9540          13950
011.25.1800.000.11.1503 011.25.1800.001.41.1503 488 2001,6 1700 102 1890 1735 48 76 5725                         8371 11450               16742 
011.30.1440.190.11.1503 011.30.1440.191.41.1503 520 1653,6 1320 120 1545 1365 36 91 685
1002
1371
2004
011.30.1734.000.11.1503  011.30.1734.001.41.1503 636 1953,6 1615 120 1845 1660 44 91 685
1002
1371
2004
011.30.2031.600.11.1503 011.30.2031.601.41.1503 755 2253,6 1910 120 2140 1955 48 91 685
1002
1371
2004
011.30.2235.000.11.1503 011.30.2235.001.41.1503 827 2457,6 2115 120 2345 2160 52 91 685
1002
1371
2004
011.35.1750.700.11.1503 011.35.1750.701.41.1503 789 1985,2 1620 138 1860 1670 44 104 914
1336
1828
2672
011.35.2220.000.11.1503 011.35.2220.001.41.1503 1019 2461,2 2090 138 2335 2135 60 104 914
1336
1828
2672
011.35.2620.000.11.1503 011.35.2620.001.41.1503 1244 2876,8 2490 138 2735 2540 60 104 1045
1527
2090
3054
011.40.2240.000.11.1502 011.40.2240.001.41.1502 1316 2524,8 2090 156 2375 2145 48 117 1175
1627
2351
3255
011.40.2619.000.11.1502 011.40.2619.001.41.1502 1615 2912,4 2465 156 2755 2520 52 117 1322 
1831 
2645
3662
011.40.2795.000.11.1502 011.40.2795.001.41.1502 1723 3096,0 2645 156 2930 2700 54 117 1469
2034
2939
4068
011.40.2915.000.11.1502 011.40.2915.001.41.1502 1790 3216,0 2765 156 3050 2820 60 117 1469
2034
2939
4068
011.40.3150.000.11.1502 011.40.3150.001.41.1502 1969 3456,0 3000 156 3285 3055 60 117 1469
2034
2939      4068
011.50.2987.001.49.1502 2288 3290,4 2820 185 3130 2880 66 138 2160 4320
011.50.3167.001.49.1502 2431 3470,4 3000 185 3310 3060 66 138 2160 4320
011.50.3347.001.49.1502 2566 3650,4 3180 185 3490 3240 72 138 2160 4320
011.50.3567.001.49.1502 2702 3866,4 3400 185 3710 3460 78 138 2160 4320
011.50.3747.001.49.1502 2837 4046,4 3580 185 3890 3640 84 138 2160 4320
011.50.4140.001.49.1502 3282 4456,0 3970 187 4285 4030 90 140 2434 4869
012.18.0748.000.11.1504 012.18.0748.002.21.1504 90 823 648 77 798 705 24 45 1520                   2325 3040         4650
012.20.571.000.11.1504 012.20.571.001.21.1504 118 971 784 82 944 850 30 50 2260                   3475 4520            6950
012.20.1085.000.11.1504 012.20.1085.001.21.1504 154 1161 960 90 1134 1040 36 55 3110                   4800 6220         9600
012.20.1360.000.11.1504 012.20.1360.001.21.1504 213 1440 1210 82 1410 1300 54 58 3640                    5600 7280        11200
012.25.1360.600.11.1503 012.25.1360.601.21.1503 336 1460 1180 102 1425 1270 36 76 4770
6975 
9540
13950
012.25.1600.000.11.1503 012.25.1600.001.21.1503 405 1700 1404 102 1665 1510 42 76 5720
8370
11440
16740
012.30.1381.000.11.1503 012.30.1381.001.41.1503 474 1500 1164 120 1455 1275 36 91 685
1002 
1370
2004 
012.30.1630.000.11.1503 012.30.1630.001.41.1503 558 1750 1416 120 1705 1525 40 91 685
1002 
1370
2004 
012.30.1800.000.11.1503 012.30.1800.001.41.1503 643 1920 1568 120 1875 1695 48 91 685
1002 
1370
2004
012.30.1995.000.11.1503 012.30.1995.001.41.1503 716 2115 1764 120 2070 1890 48 91 800
1169 
1600
2338
012.30.2330.000.11.1503 012.30.2330.001.41.1503 839 2450 2100 120 2405 2225 54 91 800
1169 
1600
2338
012.30.2538.000.11.1503 012.30.2538.001.41.1503 963 2660 2288 120 2615 2430 60 91 914
1336  
1828
2672
012.35.1960.400.11.1503 012.35.1960.401.41.1503 851 2090 1722 138 2045 1850 52 104 914
1336 
1828
2672
012.35.2500.000.11.1503 012.35.2500.001.41.1503 1112 2630 2254 138 2585 2385 66 104 914
1336 
1828
2672
012.35.2690.000.11.1503  012.35.2690.001.41.1503 1225 2820 2432 138 2775 2580 72 104 1045
1527
2090
3054
012.40.2199.300.11.1502 012.40.2199.301.41.1502 1238 2350 1920 156 2295 2065 52 117 1175
1627
2350
3255
012.40.2622.400.11.1502 012.40.2622.401.41.1502 1495 2770 2336 156 2715 2485 60 117 1175
1627
2350
3255
012.40.2950.000.11.1502 012.40.2950.001.41.1502 1764 3100 2646 156 3045 2815 60 117 1322
1831
2645
3662
012.40.3300.000.11.1502 012.40.3300.001.41.1502 1935 3450 3006 156 3395 3165 66 117 1322
1831
2645
3662
012.45.2940.000.19.1502       012.45.2940.001.49.1502 1950 3100 2656 175 3045 2800 66 132 1326
1836
2652
3673
012.45.3400.100.19.1502 012.45.3400.101.49.1502 2435 3560 3080 175 3505 3260 72 132 1658
 4591
3316
2295
012.50.2559.201.49.1502 1892 2725 2250 185 2670 2410 60 138 2160 4320
012.50.3520.001.49.1502 2657 3685 3200 185 3630 3370 78 138 2400 4800
012.50.3739.001.49.1502 2823 3905 3420 185 3850 3590 84 138 2400 4800
012.50.3839.001.49.1502 2905 4005 3520 185 3950 3690 84 138 2400 4800

 

Company Profile

ABOUT US

BEARING MANUFACTURE

1. 20+ yearsof experience in manufacturing bearing;
2.Annual output value of more than 40 million yuan;
3.Passed the ISO9001 international quality certification system;
4.160 sets imported production equipments;
5.Professional sales team.

     We have been engaged in foreign trade for more than 6 years and are well-known enterprises in ZheJiang
Province. The fixed assets of the machine are more than 2 million US dollars and the annual foreign trade
sales volume exceeds 2 million US dollars.

     We have extensive cooperation with countries in Asia, Europe, and the Americas. Including Russia, Ukraine,
Belarus, Kazakhstan, Uzbekistan, Tajikistan, Spain, Mexico, India, Pakistan, Turkey, Vietnam and other industrial
areas.

Rated as an excellent company in the local area, and both quality and management systems have been recognized.

HangZhou Jinrui Bearing Co., Ltd. not only has customers in many industries in China, but the company’s products are also exported to India, Southeast Asia, the Middle East, Europe and the United States and other countries. It has independent export rights and more than 10 years of foreign trade export experience.

 

FAQ

SAMPLES

1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay
samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ:  3000 pcs customized your brand bearings.

OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.

SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirement.

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Standard or Nonstandard: Nonstandard
Feature: Corrosion-Resistant
Sealing Gland: Seals or No Seals
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

slewing bearing

Can you Explain the Concept of Axial and Radial Load Capacity in Slewing Bearings?

The axial and radial load capacities are fundamental parameters that define the ability of slewing bearings to withstand different types of loads along different directions. Here’s an explanation of these concepts:

  • Axial Load Capacity:

The axial load capacity of a slewing bearing refers to its ability to withstand loads that act parallel to the axis of rotation. In other words, it’s the maximum force that can be applied along the vertical or horizontal axis without causing significant deformation or failure of the bearing components.

For example, in applications where the bearing supports vertical loads like those encountered in cranes or excavators, the axial load capacity is crucial to ensure the stability and safety of the equipment. Slewing bearings designed for high axial load capacities have sturdy components and optimized raceway profiles to distribute the load evenly and prevent stress concentrations.

  • Radial Load Capacity:

The radial load capacity of a slewing bearing pertains to its ability to withstand loads that act perpendicular to the axis of rotation. These loads are directed toward or away from the center of the bearing. Radial loads can result from weight, force, or moments acting perpendicular to the axis of rotation.

For instance, in applications involving cantilevered structures, the radial load capacity is essential to support the bending moments and forces applied to the bearing. Slewing bearings with high radial load capacities are designed to handle these loads without excessive deformation, minimizing wear and maintaining operational integrity.

  • Combined Load Situations:

Real-world applications often involve combinations of axial and radial loads. Slewing bearings must be selected and designed to handle these combined loads effectively. Engineers consider both axial and radial load capacities to ensure that the bearing can safely operate under the expected loading conditions.

Manufacturers provide load rating charts and data that specify the maximum axial and radial loads a slewing bearing can handle. Engineers use this information to make informed decisions about bearing selection for various applications.

In summary, the axial and radial load capacities of slewing bearings are essential parameters that determine their ability to withstand specific types of loads in various directions. Proper consideration of these capacities ensures safe and reliable operation in diverse applications.

slewing bearing

How does Preload Affect the Performance and Stability of Slewing Bearings?

Preload is a critical factor that can significantly impact the performance and stability of slewing bearings. It involves applying a controlled axial force to the bearing components before assembly. Here’s how preload affects slewing bearings:

  • Reduced Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and raceways. This minimizes play or clearance in the bearing, enhancing its rigidity and reducing the potential for rolling element skidding during operation.

  • Improved Stiffness:

Preloaded slewing bearings exhibit higher stiffness due to the elimination of internal clearance. This improved stiffness is crucial in applications requiring precise positioning, such as robotics and high-precision machinery.

  • Enhanced Load Distribution:

Preload improves the load distribution among rolling elements, minimizing stress concentrations and promoting uniform load sharing. This is especially important in applications with varying loads and forces.

  • Reduced Vibrations:

By eliminating internal clearance and minimizing rolling element movements, preloaded bearings experience reduced vibrations during operation. This contributes to smoother and more stable equipment performance.

  • Precise Positioning:

Preload ensures minimal movement within the bearing during rotational changes, making it suitable for applications where precise positioning and accurate motion control are essential.

  • Resistance to External Loads:

Preloaded bearings are better equipped to handle external forces and shocks without significant deformation or misalignment, maintaining consistent performance even under varying conditions.

  • Reduced Wear:

With reduced internal clearance and controlled movement, preloaded bearings experience less wear and fatigue. This extends their service life and reduces the frequency of maintenance.

  • Limitations:

However, excessive preload can lead to increased friction, heat generation, and potential damage. It’s essential to apply the right amount of preload according to manufacturer recommendations and application requirements.

In summary, preload in slewing bearings enhances rigidity, load distribution, and stability, making them suitable for applications that demand precise movement and control. Properly applied preload ensures optimal performance and extends the operational life of the bearing.

slewing bearing

What are the Main Applications of Slewing Bearings?

Slewing bearings find wide applications across various industries due to their ability to handle complex loads and facilitate rotational movement. Some of the main applications of slewing bearings include:

  • Construction Machinery: Slewing bearings are essential components in construction equipment such as excavators, cranes, concrete pumps, and drilling rigs. They enable smooth rotation and movement, supporting heavy loads and dynamic forces.
  • Wind Turbines: In wind energy systems, slewing bearings are used to orient the rotor blades and nacelle to capture maximum wind energy. Their durability and load-bearing capacity make them crucial for efficient wind turbine operation.
  • Mining Equipment: Slewing bearings are used in mining machinery like stacker-reclaimers and conveyor systems. They enable the movement of large loads, contributing to efficient material handling and processing.
  • Marine Applications: Slewing bearings are employed in ship cranes, davits, and other marine equipment. They assist in cargo handling, ship maintenance, and various onboard operations.
  • Aerial Work Platforms: Slewing bearings are integral to aerial platforms and access equipment. They enable controlled and safe movement for workers at elevated heights.
  • Robotics and Automation: Slewing bearings play a role in industrial robots and automation systems. They facilitate precise and controlled rotational movement in manufacturing processes.
  • Medical Equipment: Some medical imaging equipment, such as CT scanners and MRI machines, use slewing bearings for rotational movement, contributing to accurate diagnostics.
  • Defence and Aerospace: Slewing bearings are employed in defense equipment like radar systems and missile launchers, as well as in aerospace applications like aircraft landing gear.

These are just a few examples of the many applications of slewing bearings across different industries. Their ability to handle diverse loads and rotational movements makes them versatile components in various machinery and equipment.

China Best Sales High Quality Customize Big Size of Four Point Slewing Bearings 011.25.1200.601.21.1503 for Machine Parts   carrier bearingChina Best Sales High Quality Customize Big Size of Four Point Slewing Bearings 011.25.1200.601.21.1503 for Machine Parts   carrier bearing
editor by CX 2024-05-17

Slewing bearings

As one of the slewing bearings manufacturers, suppliers, and exporters of mechanical products, We offer slewing bearings and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of slewing bearings.

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