Non-circular Combination Bearing is a customized fluid film sliding bearing that integrates journal and thrust bearing functions in a single assembly. It is designed for rotating equipment requiring a non-circular bearing profile and combined radial and axial load support.
Non-circular Design & Structural Features
Non-circular Bearing Profile
The bearing bore may use elliptical, lemon-bore, or multi-lobe geometry, depending on the equipment design. Profile selection considers operating clearances, shaft behavior, and lubrication conditions, with final geometry confirmed against the approved drawing.
Integrated Journal and Thrust Support
The assembly combines journal bearing support for radial loads with thrust bearing support for axial loads. Bearing dimensions, load capacity, and clearances are determined by the equipment requirements and operating conditions.
Precision-machined Interfaces
Journal surfaces, thrust faces, and mounting interfaces are machined to the specified dimensions and tolerances to meet installation requirements.
Technical Specifications
|
Parameter |
Specification |
|
Bearing Type |
Fluid Film Sliding Bearing |
|
Bearing Configuration |
Integrated Journal and Thrust Bearing |
|
Bearing Geometry |
Customized non-circular profile |
|
Available Profile Designs |
Elliptical, lemon-bore, multi-lobe |
|
Load Direction |
Radial and axial |
|
Lining Material |
Tin-based Babbitt Alloy |
|
Backing Material |
Steel, bronze, cast iron, or customized material |
|
Lubrication Method |
Oil lubrication |
|
Dimensions |
Customized according to drawing or sample |
|
Journal Diameter |
Customized |
|
Operating Speed |
Determined by equipment operating conditions |
|
Drawing Format |
CAD drawings accepted |
Applications & Operating Requirements
Steam Turbines
Combined journal and thrust bearing arrangements support turbine rotors requiring radial and axial load support.
Hydro Turbines
Customized bearing configurations are used in turbine-generator systems where bearing geometry and installation dimensions must match the equipment design.
Industrial Compressors
The bearing serves rotating equipment incorporating fluid film lubrication systems, with configuration determined by operating conditions.
Generators and Motors
Integrated bearing assemblies support large rotating machinery requiring combined radial and axial bearing functions.
Customized Industrial Equipment
Non-standard bearing profiles and mounting dimensions can be developed for specialized rotating equipment.
Materials & Manufacturing Process
Babbitt Alloy Lining
Tin-based Babbitt alloy is used for the bearing lining. The alloy grade is selected according to the bearing design and project specifications.
Metal Backing Materials
Steel, bronze, and cast iron are available as backing materials. Other materials can be considered according to project requirements.
Manufacturing Process
Manufacturing includes Babbitt lining application and precision machining of critical bearing surfaces. Centrifugal casting may be used for suitable designs to support lining consistency and bonding quality.
Customization & OEM Supply
Drawing Review and OEM Manufacturing
Drawings are reviewed to confirm bearing geometry, materials, dimensions, tolerances, and manufacturing requirements before production.
Replacement Bearing Development
Replacement bearings can be developed based on existing samples, dimensional drawings, or equipment documentation, subject to technical review.
Quotation Requirements
Please provide available drawings or sample dimensions, equipment model, shaft diameter, operating speed, radial and axial loads, operating temperature, lubrication conditions, and required quantity.
Quality Control & Inspection
Material Verification
Incoming materials are checked against specified material requirements and applicable documentation.
Babbitt Lining Inspection
Ultrasonic testing and liquid penetrant testing can be performed where specified by the project, using the agreed inspection procedures and acceptance criteria.
Dimensional Inspection
Critical dimensions, fits, clearances, and machined surfaces are inspected against the approved drawings and agreed tolerances. Inspection records and applicable test reports can be provided according to project requirements.
FAQ
Q: Is there a minimum order quantity (MOQ)?
A: MOQ depends on the bearing design and order requirements. Prototype and small-batch orders can be discussed.
Q: What is the typical production lead time?
A: Custom Babbitt bearings commonly require around 4–8 weeks for production. Complex designs, material availability, and order quantity may affect the schedule.
Q: Can you arrange urgent orders?
A: Expedited production may be considered depending on manufacturing capacity, material availability, and inspection requirements.
Q: How are bearings packaged for export?
A: Packaging can be arranged according to bearing dimensions, weight, and shipping requirements. Please specify any special export packing or marking requirements when ordering.
Q: Are spare parts available for future maintenance?
A: Spare components can be discussed based on the bearing design and equipment requirements. Please provide the bearing identification or relevant drawings.
Q: Can repeat orders be supplied to the same specifications?
A: Repeat orders can be arranged using approved drawings and specifications to maintain consistency between orders.
Q: What after-sales support is available if an issue occurs?
A: Please provide the order details, relevant photos, and a description of the issue for review and follow-up.
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