이 NU316 EM is a type of cylindrical roller bearing. Here’s a breakdown of its specifications and characteristics:
1. Bearing Type: NU316 EM
- NU: Indicates the type of cylindrical roller bearing. NU means the bearing has two fixed ribs on the outer ring and no ribs on the inner ring, allowing the inner ring to move axially relative to the outer ring. This design is suitable for applications where axial displacement needs to be accommodated.
- 316: Specifies the size and dimensions of the bearing. 이 “316” corresponds to a specific bore diameter, outer diameter, and width.
2. 차원:
- Bore Diameter (d): 80 밀리미터
- Outer Diameter (D): 170 밀리미터
- Width (B): 39 밀리미터
3. EM Suffix:
- EM: Typically refers to the cage material and design. In this case, “EM” indicates that the bearing has a solid brass cage (machined brass cage). Brass cages are known for their strength, durability, and ability to withstand high temperatures and heavy loads.
4. Load Capacity:
- Dynamic Load Rating (C): Approximately 200 kN (varies by manufacturer)
- Static Load Rating (C0): Approximately 220 kN (varies by manufacturer)
5. Speed Rating:
- The maximum operating speed depends on the lubrication and operating conditions but is typically in the range of 4,000 to 5,000 rpm for grease lubrication.
6. Applications:
- NU-type cylindrical roller bearings are commonly used in applications where high radial loads are present and axial displacement needs to be accommodated. Examples include:
- Electric motors
- Gearboxes
- Industrial machinery
- Pumps and compressors
7. Lubrication:
- These bearings can be lubricated with grease or oil, depending on the application and operating conditions.
8. Manufacturer Variations:
- Different manufacturers may have slight variations in internal design, tolerances, and load ratings. Always refer to the manufacturer’s datasheet for precise details.
If you need further details or specific technical data, let me know!
