618/1500 TN
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
618/1500 TN
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
638 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
1500 mm
Bore diameter tolerance
-0.09mm to 0
Outside diameter
1820 mm
Outside diameter tolerance
-0.115mm to 0
Width
140 mm
Width tolerance
-1.6mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
263026 lbf
Radial static load rating
932957 lbf
Limiting speed
0.24 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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618/1500 TN Bearing Product Overview & Core Advantages
The 618/1500 TN is a single row deep groove ball bearing engineered for applications requiring exceptional radial load capacity and reliable performance. Its open design and P6 precision tolerance class make it suitable for high-precision arrangements where controlled internal clearance is critical. The bearing's robust construction, featuring a nylon cage and chrome steel components, ensures high operational reliability. It is designed to handle significant radial dynamic and static loads, making it a cornerstone for heavy-duty industrial machinery.
Model Code In-Depth Analysis
| Code Segment | Technical Meaning |
|---|---|
| 618 | Series designation for extra small cross-section, deep groove ball bearings. |
| 1500 | Bore diameter in millimeters (1500 mm). |
| TN | Indicates a molded nylon cage, offering reduced weight, lower friction, and excellent performance at moderate speeds. |
618/1500 TN Bearing Structural Features & Performance Benefits
- High Load Capacity: Engineered with a single row deep groove raceway, this bearing is optimized to carry substantial radial loads (Dynamic: 263,026 lbf, Static: 932,957 lbf), providing a robust solution for demanding applications.
- Precision Performance: Manufactured to a P6 tolerance class with a standard CN radial internal clearance, ensuring precise shaft running accuracy and consistent performance in high-precision systems.
- Optimized Cage Design: The TN nylon cage is lightweight, promotes smooth rolling element guidance, and is suitable for the bearing's operational speed range, contributing to stable operation.
- Material Integrity: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and a long service life under heavy loads.
- Open Design for Flexibility: The open seal type allows for the application of specialized lubrication systems tailored to specific operational environments, offering flexibility in maintenance.
618/1500 TN Bearing Typical Application Areas
This bearing is ideally suited for large-scale, heavy-duty machinery where high radial load capacity and precision are paramount. Key industries and equipment include:
- Large Industrial Gearboxes and power transmission systems.
- Heavy-Duty Mining Equipment such as crushers and mills.
- Large-Diameter Rotating Machinery in the steel and cement industries.
- Wind Turbine Main Shafts and yaw systems.
- Paper Mill Machinery including large rollers and dryers.
