Product Description

Turntable Bearing 191.32.3150.990.41.1502 With Hardness Raceway Slewing Ring Bearing For Rotary Table

Four-point contact ball slewing turntable bearings
consist of 2 ring seats. Compact structure, light weight, steel ball and arc track contact at 4 points, can bear axial force, radial force and overturning moment at the same time, has strong dynamic load.

Single row cross roller slewing bearing
Composed of 2 or 3 rings. compact structure, light weight, high manufacturing accuracy, small assembly gap and high requirement for installation accuracy. Rollers are 1:1 cross-arranged.
Can be bear axial force, overturning moment and large radial force at the same time,and widely used in lifting transportation, construction machinery and precesion products.

Double row ball slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.

Three row roller slewing bearing
Three row roller bearing CZPT to bear all kinds of loads at the same time, it is the largest 1 of the 4 structural products with large axle and radial dimensions and firm structure. Especially suitable for heavy machinery requiring larger diameter, such as bucket wheel stacker and reclaimer, wheel crane, marine crane, port crane, ladle turret,large tonnage truck crane,heavy machinery and so on.

 

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 LYMC
Place of Origin HangZhou ZheJiang
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 wooden box

 


Product Process

Application:

 

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

About Us:
HangZhou MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Our team with technical and full experience in the bearing industry.
*Professional in researching, developing, producing & marketing high precision bearings for 16 years;
*Many series bearings are on stock; Factory directly provide, most competitive price;
*Advanced CNC equipment, guarantee product accuracy & stability;
*One stop purchasing, product include cross roller bearing, rotary table bearing, robotic bearing, slewing bearing, angular contact ball bearing, large and extra large custom made bearing, diameter from 50~9000mm;
*Excellent pre-sale & after sale service. We can go to customers’ project site if needed.
*Professional technical & exporting team ensure excellent product design, quotation, delivering, documentation & custom clearance.

Our Service:

FAQ:
1.Q: Are you trading company or manufacturer ?
A: We are professional slewing bearing manufacturer with 20 years’ experience.
2.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, it is extra.
4.Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance, balance before shipment.
5.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.
6.Q: How about your guarantee?
A: We provide lifelong after-sales technical service. 
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Standard or Nonstandard: Standard
Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Multiple-Column
Roller Type: Straight Raceway
Material: 50mn/42CrMo
Customization:
Available

|

Customized Request

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

What are the Signs of a Damaged or Worn-out Slewing Bearing that Requires Replacement?

Identifying the signs of a damaged or worn-out slewing bearing is essential for preventing potential failures and ensuring equipment reliability. Here are common indicators that a slewing bearing may require replacement:

  • Unusual Noise:

If you notice grinding, clicking, or any abnormal noises during operation, it could be a sign of wear or misalignment in the slewing bearing.

  • Increased Vibration:

Excessive vibration or shaking during rotation could indicate misalignment, damage, or uneven wear in the slewing bearing.

  • Irregular Movement:

If the machinery exhibits irregular or jerky movement instead of smooth rotation, it might be due to a damaged slewing bearing.

  • Uneven Load Distribution:

Uneven distribution of loads can lead to accelerated wear on specific sections of the bearing, causing premature failure.

  • Abnormal Heat Generation:

If the slewing bearing becomes excessively hot during operation, it may suggest friction, misalignment, or lack of proper lubrication.

  • Excessive Play or Clearance:

Too much axial or radial play in the bearing can indicate wear, misalignment, or component fatigue, requiring inspection and potential replacement.

  • Leakage of Lubricant:

If lubricant leaks from the bearing or seals, it may signify damage to the sealing mechanism or an internal issue that needs attention.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, corrosion, pitting, or other forms of damage. Cracks, dents, or deformation are clear indicators of potential problems.

  • Reduced Performance:

If the machinery’s performance deteriorates, such as decreased rotation speed, reduced load capacity, or increased power consumption, it could be due to a failing slewing bearing.

  • Increased Maintenance Frequency:

If you find yourself needing to perform more frequent maintenance or repairs on the bearing, it might indicate that the bearing is nearing the end of its service life.

  • Manufacturer’s Service Life:

Consult the manufacturer’s guidelines for the expected service life of the slewing bearing. If the bearing is approaching this limit, it’s advisable to consider replacement.

If any of these signs are observed, it’s important to consult with experts and consider replacing the slewing bearing to prevent further damage and ensure the safe and efficient operation of machinery.

slewing bearing

How do Different Types of Slewing Bearings Vary in Terms of Design and Function?

Different types of slewing bearings vary significantly in terms of their design and function, catering to diverse industrial requirements. Some common variations include:

  • Single-Row Ball Slewing Bearings: These bearings consist of a single row of balls positioned between two rings. They are compact and suitable for light to moderate axial and radial loads, making them useful in applications like small cranes and excavators.
  • Double-Row Ball Slewing Bearings: These bearings have two rows of balls and higher load-carrying capacity compared to single-row types. They find use in applications requiring higher loads and moment resistance, such as larger cranes and construction machinery.
  • Three-Row Roller Slewing Bearings: These bearings use cylindrical rollers to handle heavy axial, radial, and moment loads. They are commonly found in heavy-duty applications like harbor cranes and mining equipment.
  • Cross Roller Slewing Bearings: These bearings have cylindrical rollers arranged in a crossed pattern between the inner and outer rings. They offer high stiffness and precision, making them suitable for applications like robotic arms and precision machinery.
  • Wire Race Slewing Bearings: These innovative bearings use a thin wire race to support the rolling elements. They are lightweight and compact, often used in medical equipment and aerospace applications.
  • Ball-And-Roller Combination Slewing Bearings: These hybrid bearings combine ball and roller elements to achieve a balance between load capacity and precision. They find use in various industrial machines and equipment.
  • Gearless Slewing Bearings: In some applications, slewing bearings incorporate no gears or teeth. They are used where external gear reduction is present or precise rotation isn’t required.
  • Geared Slewing Bearings: These bearings include internal gears or teeth that allow torque transmission between the inner and outer rings. They are essential in applications requiring controlled rotation, such as cranes and wind turbines.

The choice of slewing bearing type depends on factors like load requirements, available space, rotational precision, and the specific industrial application. Understanding the variations helps engineers select the most suitable bearing for optimal performance.

China Custom Turntable Bearing 191.32.3150.990.41.1502 with Hardness Raceway Slewing Ring Bearing for Rotary Table   manufacturerChina Custom Turntable Bearing 191.32.3150.990.41.1502 with Hardness Raceway Slewing Ring Bearing for Rotary Table   manufacturer
editor by CX 2024-05-17