Babbitt Flanged Bearings are fluid film journal bearings with a flange mounting structure and a Babbitt-lined bore for radial shaft support. They are manufactured for industrial equipment requiring specific bearing dimensions and mounting interfaces.
Flanged Design & Mounting Features
Flange Mounting Structure
The flange secures the bearing within the equipment assembly. Flange thickness, mounting-face geometry and bolt-hole positions are defined by the installation design.
Bearing Bore and Alignment
The Babbitt-lined bore supports the rotating shaft. Bore dimensions, roundness and alignment with the flange are controlled according to the approved drawing.
Technical Specifications
|
Parameter |
Specification |
|
Product Type |
Babbitt Flanged Bearing |
|
Bearing Type |
Fluid Film Journal Bearing |
|
Bearing Function |
Radial Shaft Support |
|
Structure |
Flanged Journal Bearing |
|
Babbitt Alloy |
ASTM B-23 Grade 1, Grade 2, Grade 3 or Grade 11 |
|
Backing Material |
Steel, bronze or cast iron |
|
Lubrication |
Oil lubricated |
|
Surface Finish |
Machined finish |
|
Bore and Overall Dimensions |
Customized to drawing or sample |
|
Flange Dimensions and Mounting Features |
Customized to drawing |
|
Dimensional Tolerances |
Defined by approved drawings and project requirements |
Babbitt Lining & Manufacturing
Babbitt Alloy and Backing Materials
Tin-based Babbitt alloys in ASTM B-23 Grades 1, 2, 3 and 11 are available. Steel, bronze and cast iron can be used as backing materials, subject to the bearing design and specified material requirements.
Centrifugal Casting and Bonding
The backing surface is prepared before Babbitt lining. Centrifugal casting is used to form the lining and establish the bond between the Babbitt alloy and backing material.
Precision Machining
Machining focuses on the bearing bore, flange mounting face, bolt-hole positions and other drawing-defined interfaces. Dimensional requirements are taken from the approved technical drawing.
Inspection & Dimensional Verification
Dimensional Inspection
Critical dimensions, including bore diameter, bearing length, flange dimensions and mounting-hole positions, are inspected against approved drawings and specified tolerances.
Babbitt Bond Inspection
The bond between the Babbitt lining and backing material is inspected according to the agreed inspection plan and acceptance criteria.
Non-Destructive Testing
Ultrasonic testing, liquid penetrant testing or other applicable NDT methods can be performed when specified in the project inspection plan. Acceptance criteria are agreed upon before production.
Applications & Replacement Use
Steam Turbines and Generators
Custom flanged journal bearings for rotating equipment requiring radial shaft support and equipment-specific mounting dimensions.
Industrial Compressors
Replacement or custom bearings manufactured to match the specified shaft dimensions, bearing geometry and installation interface.
Centrifugal Pumps
Babbitt-lined journal bearings for rotating pump equipment, with bore and flange dimensions defined by the equipment design.
Industrial Rotating Equipment
Non-standard flanged bearings for equipment requiring drawing-based manufacturing or replacement of existing bearing components.
Customization Options
Drawing-Based Manufacturing
Bearings can be manufactured to approved drawings specifying bore dimensions, overall length, flange geometry, mounting features and tolerances.
Sample-Based Reproduction
Existing bearings can be measured for replacement manufacturing, subject to sample condition and technical evaluation.
Material and Lubrication Configuration
Backing materials, Babbitt alloy grades and lubrication groove designs can be selected according to the bearing design and operating requirements.
FAQ
Q: Can Babbitt Flanged Bearings be manufactured to custom flange dimensions?
A: Yes. Flange dimensions and mounting features can be manufactured according to approved drawings and equipment interface requirements, subject to engineering review.
Q: Can you manufacture replacement Babbitt Flanged Bearings from existing samples?
A: Yes. Existing samples or worn bearings can be used as references for dimensional measurement and replacement manufacturing, subject to sample condition and technical evaluation.
Q: What information is required for a quotation?
A: Please provide a technical drawing or sample, shaft diameter, bearing dimensions, flange dimensions, material requirements, and operating conditions, including radial load, shaft speed, operating temperature and lubrication conditions.
Q: Can the backing material and Babbitt alloy be customized?
A: Material combinations can be selected according to the bearing design, operating conditions and customer specifications, subject to manufacturing feasibility.
Q: Can dimensional inspection reports be supplied?
A: Inspection records can be provided according to the agreed inspection plan and project requirements.
Q: What are the MOQ and lead time?
A: MOQ depends on the bearing design, materials and production requirements. Lead time is confirmed after drawing review, technical approval and order confirmation.
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