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Thrust Ball Bearings with an Ultra-Long Service Life 51807 51808 51809 51810 51811 518121
Thrust Ball Bearing, Thrust Ball Bearings, Ball Bearings
Zhejiang Judong Bearing Co., Ltd.
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Product Description Detailed Photos Why Choose Thrust Ball Bearings?Suitable for high axial loads and high-speed operating conditions.Multiple material and design options to meet diverse needs.Easy installation and low maintenance costs, reducing total cost of ownership. Product ParametersThrust Ball Bearing Model Table Bearing ModelBore Diameter (mm)Outer Diameter (mm)Width (mm)Weight (kg, Approx.)518073552100.11518084060110.17518094565110.2518105070120.25518115578130.32518126085140.4Notes:Dynamic Load: The maximum load the bearing can withstand while rotating.Static Load: The maximum load the bearing can withstand while stationary.Limiting Speed: The maximum allowable speed under proper lubrication conditions.Material: Default material is chrome steel (GCr15). Stainless steel (AISI 440C/316L) or ceramic materials are also available.Application Fields: Recommended application scenarios based on bearing size and performance. Optional Extensions:Stainless Steel Thrust Ball Bearings: Add the suffix "-SS" to the model number (e.g., 51100-SS) for food, medical, and corrosive environments.Ceramic Thrust Ball Bearings: Add the suffix "-CE" to the model number (e.g., 51100-CE) for high-speed, high-temperature, and non-magnetic environments.Custom Models: Non-standard sizes or special designs are available upon request.Installation InstructionsBearing Installation GuideProper installation is critical to ensuring the optimal performance and longevity of bearings. Follow these steps to install bearings correctly and avoid common issues such as premature failure or damage. 1. Preparation Before InstallationInspect the Bearing and Components:Check the bearing, shaft, and housing for any damage, dirt, or debris. Ensure all parts are clean and free from contaminants.Verify Dimensions:Confirm that the shaft and housing dimensions match the bearing specifications (inner diameter, outer diameter, and width).Gather Tools and Equipment:Prepare the necessary tools, such as a press, arbor, induction heater, or hydraulic nut. Ensure you have appropriate personal protective equipment (PPE). 2. Handling BearingsAvoid Contamination:Handle bearings with clean gloves or tools to prevent contamination from dirt, dust, or moisture.Do Not Drop or Impact:Bearings are precision components. Avoid dropping or striking them, as this can cause damage to the rolling elements or raceways.Store Properly:Keep bearings in their original packaging until ready for installation to protect them from environmental factors. 3. Installation MethodsA. Press Fit InstallationUse a mechanical or hydraulic press to mount the bearing onto the shaft or into the housing.Apply force evenly to the inner or outer ring (depending on the fit) to avoid tilting or misalignment.Use a mounting sleeve or arbor to distribute the force evenly across the bearing ring.B. Thermal Installation (Heating)Heat the bearing using an induction heater or oil bath to expand the inner ring.Recommended heating temperature: Typically 80°C-120°C (176°F-248°F), but do not exceed 125°C (257°F).Quickly and carefully slide the bearing onto the shaft while it is still warm.Allow the bearing to cool naturally; do not quench.C. Tapered Bore BearingsFor bearings with a tapered bore, use a hydraulic nut or adapter sleeve for installation.Apply a thin layer of oil to the tapered surface to facilitate mounting.Tighten the nut or sleeve gradually to achieve the proper fit and internal clearance. 4. Alignment and ClearanceCheck Alignment:Ensure the shaft and housing are properly aligned to avoid uneven load distribution.Verify Internal Clearance:After installation, check the bearing's internal clearance to ensure it meets the manufacturer's specifications.Rotate the Bearing:Manually rotate the bearing to confirm smooth operation without binding or noise. 5. LubricationSelect the Right Lubricant:Choose a lubricant (grease or oil) that matches the operating conditions (speed, temperature, and load).Apply Lubricant Properly:Fill the bearing and housing with the recommended amount of lubricant. Avoid over-lubrication, as it can cause overheating.Re-lubrication Schedule:Follow the manufacturer's guidelines for re-lubrication intervals and quantities. 6. Post-Installation ChecksRun a Test Operation:Start the equipment at low speed and gradually increase to the operating speed. Monitor for unusual noise, vibration, or temperature rise.Inspect Seals and Shields:Ensure seals or shields are properly installed and provide adequate protection against contaminants.Document Installation Details:Record installation dates, lubrication type, and any observations for future reference. 7. Common Mistakes to AvoidForcing the Bearing:Do not use excessive force during installation, as it can damage the bearing or surrounding components.Misalignment:Improper alignment can lead to uneven load distribution and premature failure.Incorrect Lubrication:Using the wrong type or amount of lubricant can negatively impact performance and lifespan.Ignoring Manufacturer Guidelines:Always follow the bearing manufacturer's installation instructions and recommendations. 8. Safety PrecautionsWear appropriate PPE, including gloves and safety glasses.Use proper tools and equipment to avoid injury or damage.Handle heated bearings with care to prevent burns.Company Profile Zhejiang Judong Bearings Co., Ltd., established in [2016], is located in Zhejiang Province, China. We are a professional manufacturer and supplier of a wide range of bearing products. Our bearings are widely used in industries such as machinery manufacturing, automotive, electronics, home appliances, and industrial automation. Our product range is extensive, including Deep Groove Ball Bearings, Angular Contact Ball Bearings, Self-aligning Ball Bearings, Cylindrical Roller Bearings, Tapered Roller Bearings, Thrust Ball Bearings, Thrust Roller Bearings, Precision Bearings, and more. Each type is available in various sizes and specifications, catering to the diverse needs of our clients. We also offer customized solutions for specialized applications, providing tailor-made bearings to meet specific requirements. With advanced manufacturing technology and state-of-the-art production equipment, we ensure that each product adheres to strict quality control standards, guaranteeing reliability and durability. Thanks to our wide range of products and flexible customization options, we are able to provide efficient and reliable bearing solutions to customers worldwide. We adhere to the principle of "Quality First, Customer Foremost" and are committed to building long-term partnerships with our clients. Whether for small batch customizations or large-scale orders, Judong Bearings offers high-quality products and excellent service to support your business success.Our AdvantagesZhejiang Judong Bearing Co., Ltd. is a globally recognized manufacturer and supplier of high-quality bearings, specializing in standard and customized solutions for diverse industries. Our commitment to excellence, innovation, and customer satisfaction sets us apart in the competitive bearing market. Here are our key advantages: 1. Advanced Manufacturing TechnologyWe utilize state-of-the-art production equipment and cutting-edge technologies to ensure precision, consistency, and superior performance in every bearing we produce.Our manufacturing processes adhere to international standards, including ISO 9001 certification, guaranteeing the highest quality.2. Comprehensive Product RangeWe offer a wide variety of bearings, including deep groove ball bearings, tapered roller bearings, thrust ball bearings, and specialized bearings for high-temperature, insulated, and corrosive environments.Our product portfolio caters to industries such as automotive, aerospace, renewable energy, food processing, and medical equipment.3. Customization CapabilitiesOur engineering team works closely with clients to develop customized bearing solutions tailored to specific application requirements.We provide non-standard sizes, special materials (e.g., stainless steel, ceramic), and unique designs to meet unique operational challenges.4. Rigorous Quality ControlEvery bearing undergoes strict quality inspections, including dimensional checks, material testing, and performance validation, to ensure reliability and durability.We use advanced testing equipment to simulate real-world operating conditions, ensuring our bearings perform flawlessly in the field.5. Global Reach and ExpertiseWith years of experience in international markets, we have established a strong presence in Europe, North America, Asia, and beyond.Our team of experts provides technical support, application analysis, and after-sales service to ensure customer satisfaction worldwide.6. Competitive Pricing and Fast DeliveryWe optimize our supply chain and production processes to offer competitive pricing without compromising quality.Our efficient logistics network ensures timely delivery, even for large or urgent orders.7. Commitment to SustainabilityWe prioritize eco-friendly manufacturing practices and materials, reducing our environmental footprint while delivering high-performance products.Our bearings are designed for energy efficiency, helping customers reduce operational costs and achieve sustainability goals. Why Choose Us?Reliability: Proven track record of delivering high-quality bearings for demanding applications.Innovation: Continuous investment in R&D to develop cutting-edge solutions.Customer-Centric Approach: Dedicated to understanding and meeting customer needs.Global Support: Comprehensive technical and after-sales services worldwide. For more information about our products and services, visit our website or contact our sales team today!
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