Ball Bearing/Cylindrical Roller BearingFag/NU2208/Nskskftimken/Roller Bearing
NU2208 is a type of bearing, belonging to the category of single row cylindrical roller bearings. Here is a general description of the parameters for this bearing:
1. Model: NU2208
"NU" indicates that the bearing is a single row cylindrical roller bearing, and the number "2208" represents the specific model identification.
2. Dimensions:
- Inner diameter: 40 millimeters
- Outer diameter: 80 millimeters
- Width: 23 millimeters
3. Load capacity:
- Static rated load: 49 kilonewtons (kN)
- Dynamic rated load: 49 kilonewtons (kN)
4. Limiting speeds:
- Limiting speed with oil lubrication: Approximately 9,500 revolutions per minute
- Limiting speed with grease lubrication: Approximately 8,500 revolutions per minute
5. Bearing design features:
- The NU2208 bearing utilizes a cylindrical roller design, with the rollers arranged in a single row and rolling along the inner raceway of the bearing to accommodate radial loads.
- A cage is present between the inner and outer rings to maintain the precise positioning of the rollers.
- The contact surfaces between the inner and outer rings are cylindrical in shape, providing excellent radial load-carrying capacity.
| Model |
Inner Diameter |
Outer Diameter |
Width |
Static Load Rating |
Dynamic Load Rating |
| NU2208-E-XL-TVP2 |
40 mm |
80 mm |
23 mm |
49 kilonewtons |
49 kilonewtons |
| NU2209-E-XL-TVP2 |
45 mm |
85 mm |
23mm |
78 kilonewtons |
81.5 kilonewtons |
| NU2210-E-XL-TVP2 |
50 mm |
90 mm |
23 mm |
61 kilonewtons |
67 kilonewtons |
NU2211-E-XL-TVP2 |
55 mm |
100 mm |
25 mm |
86.5 kilonewtons |
98 kilonewtons |
Cylindrical roller bearings are widely used in various industrial sectors and mechanical equipment, including but not limited to the following applications:
1. Mechanical Engineering: Cylindrical roller bearings are commonly used in various mechanical equipment such as machine tools, spindle units, drive shafts, printing machines, textile machinery, packaging machinery, etc.
2. Automotive Industry: In the automotive field, cylindrical roller bearings are used in key components such as engines, transmissions, drive shafts, rear axles, steering systems, etc.
3. Wind Power: In large-scale wind turbines, cylindrical roller bearings are used to support rotating components between the wind turbine rotor and the tower.
4. Steel Industry: In the steel production process, cylindrical roller bearings are used in equipment such as rolling mills, continuous casting machines, pipe rolling mills, steel rolling mills, etc.
5. Mining and Construction Equipment: Cylindrical roller bearings play an important role in mining equipment (such as crushers, excavators) and construction equipment (such as cranes, concrete mixers).
6. Railway Transportation: Cylindrical roller bearings are used in key components such as wheelsets, bogies, and couplers in railway vehicles.
7. Power Generation Industry: Cylindrical roller bearings are used to support rotating components in power generation equipment such as turbine units and hydroelectric generator sets.
8. Medical Equipment: Cylindrical roller bearings are also used in certain medical devices, such as medical CT scanners, MRI equipment, etc.
In summary, cylindrical roller bearings play a crucial role in many industries and equipment, supporting and transmitting loads of various rotating and vibrating components.
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