Cylindrical roller bearing FAGNU2208-E-XL-TVP2-C3/nskskftimken/Roller Bearing/Ball 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-C3 |
40 mm |
80 mm |
23 mm |
49 kilonewtons |
49 kilonewtons |
| 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 |
NU2212-E-XL-TVP2-C3
|
60 mm |
110 mm |
28mm |
146 kilonewtons |
102 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.
Installation and Usage of Cylindrical Roller Bearings
Cylindrical roller bearings are commonly used rolling bearings that find wide application in mechanical equipment. Here are the general steps for the installation and usage of cylindrical roller bearings:
Installation:
1. Preparation: Prior to installation, ensure that the bearing housing and bearing bore are clean, and inspect the bearing for any damage.
2. Lubrication: Before installation, apply a suitable amount of lubricating grease to the bearing to ensure smooth operation during rotation.
3. Installation: Place the bearing onto the bearing seat and ensure proper alignment between the bearing and the seat bore. Using appropriate tools such as a sleeve or hydraulic device, gently press the bearing into the seat bore until the bearing is fully seated.
4. Inspection: After installation, check if the bearing is properly installed and can rotate freely. Ensure that the bearing seat is secure and the fit between the bearing and the shaft is good.
Usage:
1. Load: When using cylindrical roller bearings, make sure the load applied to the shaft does not exceed the rated load of the bearing. Exceeding the rated load can lead to bearing damage or premature failure.
2. Lubrication: Regularly lubricate the bearing to reduce friction and wear. Use the appropriate lubricating grease or oil and follow the manufacturer's recommendations for lubrication.
3. Temperature: Pay attention to the operating temperature of the bearing and ensure it does not exceed the rated temperature. Excessive temperature can cause lubricants to fail or bearing damage.
4. Inspection: Regularly inspect the condition of the bearing, including checking for abnormal noise, vibration, or temperature rise. If any abnormal conditions are detected, take prompt measures for repair or replacement.
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