Quick Summary:
Price: $135,424.60
SKU: 5049091
Pros:
Cons:
- Weight: At 2314.851 lb (1050 kg), the bearing's substantial weight may pose challenges during installation and require specialized handling equipment.
- Speed Limitations: The maximum operational speeds are 270 RPM with oil lubrication and 210 RPM with grease lubrication, which may be lower than required for some high-speed applications.
NTN 230/850BL1W33CS440 Large Size Bearings X-Large Spherical Roller BRG Review
The NTN 230/850BL1W33CS440 Bearings Review is a large size, high-capacity spherical roller bearing designed for demanding industrial applications. This bearing is a part of the NTN's 230 series, renowned for its robustness, durability, and performance under extreme conditions.
Key Features and Specifications
1. Design and Construction:
- Bore Type: Round, ensuring easy alignment and installation.
- Material: Constructed from through-hardened steel, offering superior strength and wear resistance.
- Cage Type and Material: The bearing features a machined brass cage, which is known for its high rigidity and heat resistance, ensuring the rollers remain precisely guided under load.
2. Load Capacity:
- Dynamic Load Rating: 2,190,000 lbf (9750 kN), indicating its capability to handle significant radial loads.
- Static Load Rating: 5,100,000 lbf (22700 kN), showcasing its ability to withstand heavy stationary loads without deformation.
3. Operating Parameters:
- Temperature Range: Operates effectively within a wide temperature range of -40 to 250°F (-40 to 120°C), making it suitable for various industrial environments.
- Speed Limits: The bearing can operate at a maximum speed of 270 RPM with oil lubrication and 210 RPM with grease lubrication.
4. Dimensional Specifications:
- Bore Diameter (d): 850 mm (33.4646 in)
- Outer Diameter (D): 1220 mm (48.0315 in)
- Width (B): 272 mm (10.7087 in)
- Weight: 2314.851 lb (1050 kg), reflecting its substantial construction.
Performance Insights
The NTN 230/850BL1W33CS440 is engineered to deliver high performance in heavy-duty applications. Its spherical roller design allows it to accommodate misalignment and shaft deflections, which are common in large machinery. The brass cage ensures stability and precision, even under high loads and at elevated temperatures.
This bearing is ideally suited for use in sectors such as mining, construction, and heavy manufacturing, where reliability and longevity are crucial. The high load ratings mean it can support heavy machinery and equipment, ensuring smooth and uninterrupted operation.
Advantages
1. Durability: Made from high-quality steel, this bearing offers exceptional durability, reducing the need for frequent replacements and maintenance.
2. High Load Capacity: The impressive dynamic and static load ratings ensure that the bearing can handle both operational and peak loads effectively.
3. Versatility: Its wide operating temperature range and robust design make it suitable for various demanding applications, including those in harsh environments.
4. Misalignment Accommodation: The spherical roller design allows the bearing to compensate for misalignment, reducing stress on the bearing and associated components.
Applications
The NTN 230/850BL1W33CS440 is commonly used in applications where heavy loads, shock loads, and misalignment are present. Key applications include:
- Mining Equipment: Crushers, conveyors, and large industrial gearboxes.
- Construction Machinery: Excavators, cranes, and heavy-duty vehicles.
- Manufacturing Plants: Rolling mills, paper mills, and industrial fans.
- Energy Sector: Wind turbines, hydroelectric turbines, and heavy-duty generators.
Installation and Maintenance
Proper installation and maintenance are crucial to ensure the longevity and optimal performance of the NTN 230/850BL1W33CS440 bearing. Key considerations include:
- Installation: Ensure the bearing is installed using the appropriate tools and techniques to avoid misalignment and damage. Follow the manufacturer’s guidelines for mounting and securing the bearing.
- Lubrication: Use the recommended lubricant and maintain proper lubrication schedules to minimize friction and wear. Regularly check lubricant levels and quality.
- Inspection: Periodic inspections should be carried out to detect any signs of wear, damage, or misalignment. Address any issues promptly to prevent further damage.
Conclusion
The NTN 230/850BL1W33CS440 X-Large Spherical Roller BRG large size spherical roller bearing is a reliable and robust component designed to meet the rigorous demands of heavy-duty industrial applications. Its high load capacity, durable construction, and ability to accommodate misalignment make it an excellent choice for industries requiring reliable and long-lasting bearing solutions. Proper installation and maintenance will ensure that this bearing performs optimally, providing years of service in even the most challenging environments.
Frequently Asked Questions (FAQ)
Q1: What industries are the NTN 230/850BL1W33CS440 bearings best suited for?
A1: These bearings are ideal for heavy-duty industries such as mining, construction, manufacturing, and energy, where they support large machinery and equipment with high load capacities and reliability.
Q2: What are the key features of the NTN 230/850BL1W33CS440 bearing?
A2: Key features include a high dynamic and static load rating, a machined brass cage for stability, and a spherical roller design that accommodates misalignment. It also operates effectively across a wide temperature range.
Q3: How should the NTN 230/850BL1W33CS440 be maintained?
A3: Regular maintenance includes proper installation using appropriate tools, consistent lubrication with recommended lubricants, and periodic inspections to detect and address any signs of wear, damage, or misalignment.
Q4: Can this bearing handle extreme temperatures?
A4: Yes, the NTN 230/850BL1W33CS440 operates effectively within a temperature range of -40 to 250°F (-40 to 120°C), making it suitable for various industrial environments.
Q5: What is the significance of the bearing's high load ratings?
A5: The high dynamic load rating of 2,190,000 lbf (9750 kN) and static load rating of 5,100,000 lbf (22700 kN) enable the bearing to handle substantial radial and stationary loads, ensuring durability and reliability in heavy-duty applications.
Different Variations:
- NTN 230/850BL1W33CS440 Large SizeRoller BRG Review
- NTN 231/600BL1W33C3 Large SizeX-Large Spherical Roller Bearing Review
- NTN 239/750L1W33 Large Size Bearings Roller Bearing Review
- NTN 239/710L1W33 Large Size Roller Bearing Review
- NTN 230/630W33C3 Large Size Bearings X-Large Bearing Review
- NTN 239/670L1W33 Large Size Spherical Roller Bearing Review
- NTN 239/670W33 Large Size Roller Bearing Review