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| Product Overview |
| The Bearing Seat (also known as Bearing Housing) is a high-performance mechanical component engineered to meet the rigorous demands of the power generation, industrial, and mining sectors. Crafted from premium cast iron through precision manufacturing, this bearing seat boasts exceptional structural integrity, enabling it to withstand heavy loads and extreme conditions—from high-temperature industrial environments to dusty mining sites. With a focus on reliability and longevity, it delivers low-noise operation and consistent performance, exceeding industry standards to become a trusted choice for critical equipment. Whether paired with conveyors, crushers, or mixers, this bearing seat ensures stable mechanical operation, minimizing downtime and optimizing productivity for industrial applications. |
Parameter | Details |
Material | High-strength cast iron |
Bearing Seat Type | Integral vertical, Split (SN series), Sliding |
Load Capacity | Heavy-duty (up to 500kN) |
Operating Noise | Low-noise (≤75dB) |
Sealing Performance | Dust-proof, moisture-resistant |
Operating Temperature | -20℃ to 120℃ |
Lubrication Method | Grease lubrication (long-lasting effectiveness) |
Installation Style | Vertical, Horizontal |
Applicable Bearings | Spherical outer bearings, Standard rolling bearings |
Service Life | ≥8000 operating hours |
Customization | Available for special shaft/bearing requirements |
| 1 | Casting Material / Ductile Iron | Made from high-strength grey cast iron or ductile iron, offering excellent toughness, wear resistance and impact load capacity. Stable casting structure ensures reliable performance under heavy industrial working conditions. |
| 2 | Full Series Range | Covers split plummer block SN200/SN300/SN500 series, integrated vertical housing and plain bearing housing. Wide bore sizes match various shaft diameters for different conveyor, fan and crusher applications. |
| 3 | Drawing-Based Customization | Accept OEM/ODM custom orders per your drawings, samples or technical specs. Our engineering team reviews drawings, optimizes structure and produces tailor-made housings for special dimensions and environments. |
| 4 | Precision CNC Machining | CNC machined bore faces, mounting surfaces and bolt holes ensure high dimensional accuracy and good shaft alignment. Machining tolerance controlled strictly to guarantee smooth bearing fit and rotation. |
| 5 | Heavy-Duty Load Capacity | Reinforced base and thick-walled design provide superior radial load and moment load resistance. Suitable for heavy-load, continuous-operation equipment in mining, cement and steel industries. |
| 6 | Surface Treatment Options | Available in as-cast, painted, powder-coated and anti-rust oil finish. Custom color and coating thickness available to meet indoor, outdoor and corrosive environment requirements. |
| 7 | Strict Quality Control | Full-process QC: incoming material inspection, dimensional check after casting, hardness test, surface finish inspection and assembly test. Each batch traceable with material certificate and inspection report. |
| 8 | Good Sealing Performance | Optional labyrinth seal, felt seal or rubber seal available. Effective against dust, water spray and abrasive particles, extending bearing life in harsh dusty or wet working sites. |
| 9 | Fast Lead Time & Stock | Standard SN series in stock for fast delivery (3–7 days). Custom samples ready in 7–15 days, bulk production in 25–35 days. Flexible MOQ supports trial orders and emergency replacements. |
| 10 | Export Standard Packaging | Packed on strong export pallets with moisture-proof film, foam protection and wooden crating. Each housing individually wrapped to prevent scratches and collision during long-distance container shipping. |
| 11 | Global Export Experience | Exported to Europe, North America, Southeast Asia, Middle East and South America. Familiar with ISO, DIN and GB standards. Support FOB, CIF, DDP shipping terms and customs documentation. |
| 12 | One-Stop Technical Support | Professional sales and engineering team provides selection guidance, drawing review, installation advice and after-sales response within 24 hours. Long-term supply stable for ongoing project and OEM orders. |
FAQ
| 1 | Bearing housing, split plummer block | What materials are your bearing housings made of? We adopt high-strength grey cast iron and ductile iron, with good toughness, wear resistance and heavy load capacity. Custom material grades are available upon request. |
| 2 | SN200 SN300 SN500 bearing seat | Do you have standard SN series bearing housings in stock? Yes, SN200, SN300, SN500 series split bearing housings are available for fast delivery. Custom non-standard models need production lead time. |
| 3 | Drawing custom bearing housing | Can you produce bearing housings according to our drawings or samples? Yes, we support OEM & ODM custom service. Our engineering team can review drawings, optimize structure and produce tailor-made bearing housings. |
| 4 | CNC machined bearing housing | What is the machining tolerance of the bearing housing bore? We use CNC precision machining for inner bore and mounting surface. The tolerance can meet ISO and DIN standards to ensure smooth bearing fitting. |
| 5 | Heavy duty bearing housing | What industries and equipment are your bearing housings suitable for? Our heavy-duty bearing seats are widely used on conveyors, crushers, fans, pumps for mining, cement, steel and power generation industries. |
| 6 | Bearing housing sealing option | What sealing types can you supply for bearing housings? We supply felt seal, rubber seal and labyrinth seal. Different seals can be selected for dusty, wet and high-temperature working conditions. |
| 7 | Surface treatment, anti-rust bearing housing | What surface treatments are available for bearing housings? As-cast finish, anti-rust oil, painting and powder coating are optional. Custom color and coating requirements are acceptable. |
| 8 | Quality inspection, bearing housing test | How do you control the quality of bearing housings? We carry out full-process QC including material inspection, dimension check, hardness test and appearance inspection. Inspection reports can be provided. |
| 9 | Export packaging, wooden pallet | What is your export packaging method? Products are packed with moisture-proof film, foam protection and fixed on export wooden pallets to avoid damage during long sea transportation. |
| 10 | MOQ, trial order bearing housing | What is your minimum order quantity? Can I place a trial order? Flexible MOQ. Standard items support small trial orders, custom products MOQ depends on casting mould cost. |
| 11 | Lead time, sample delivery | How long is the sample and mass production lead time? Samples:7–15 working days. Mass production:25–35 working days after drawing confirmation and deposit received. |
| 12 | After-sales service, bearing housing replacement | What is your after-sales policy for bearing housings? We provide 24-hour technical support. If any quality problem occurs, we will communicate actively and arrange replacement or compensation. |
