NTN N 311 Cylindrical Roller Bearing
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CYLINDRICAL ROLLER BEARING
NTN N 311 cylindrical roller bearing with 55 mm bore, 120 mm outer diameter, and 123 kN dynamic load rating. Suitable for high-speed and high-load industrial applications.12012331155bearingboreCylindricaldiameterGreaseHighIndustrialkNLoadLubricatedmmNNTNoilOuterRatingRollerSpeed
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NTN N 311 CYLINDRICAL ROLLER BEARING
The NTN N 311 is a high-precision cylindrical roller bearing designed for high radial loads and optimal performance under demanding rotational conditions. With excellent speed limits for both oil and grease lubrication, it offers long-lasting reliability in industrial machinery and applications.
Manufacturer: NTN
Type: Cylindrical Roller Bearing
Model: N 311
| Bore Diameter (d) | 55 mm |
| Outer Diameter (D) | 120 mm |
| Width | 29 mm |
| Basic Dynamic Load Rating | 123 kN |
| Basic Static Load Rating | 111 kN |
| Fatigue Load Limit | 13.6 kN |
| Oil Lubrication Limit Speed | 7000 tr/min |
| Grease Lubrication Limit Speed | 5900 tr/min |
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