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Silindrical roller bearings

Cylindrical Roller Bearing NU312 IKO SKF KOYO TIMKEN NTN NSK

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Nau'in da ke tattare: Silindrical Roller Bearing

Sabon samfurin gida: NJ312E

Diamita na ciki (mm): 60

Diamita na waje (mm): 130

Nisa (mm): 31

Gudun Saurin lubrication (rpm): 4500

Or(kN): 155

Kr(kN): 142

Saurin lubrication mai (rpm): 5600

Nauyi (Kg): 1.87

NJ312E bearing model comparison

SKF:NJ312EC NSK:NJ312ET NTN:NJ312E FAG:NJ312E TVP2 NACHI:NJ312E KOYO:NJ312R

Tambaya

Da NOW312 is a type of cylindrical roller bearing. Ga rushewar kayan aikinta da bayanai dalla-dalla:

1. Nau'in da ke tattare:

  • NU: This indicates the bearing type. A wannan yanayin, NU means it is a cylindrical roller bearing with two flanges on the outer ring and no flanges on the inner ring. This design allows the inner ring to move axially relative to the outer ring, making it suitable for applications with axial displacement.

2. Girma:

  • Da 312 in NU312 refers to the bearing’s size according to the ISO standard.
  • Diamita na Ciki (d): 60 mm
  • Diamita na waje (D): 130 mm
  • Nisa (B): 31 mm

3. Ƙarfin lodi:

  • Cylindrical roller bearings like the NU312 are designed to handle high radial loads. They are not suitable for axial loads unless combined with another bearing type.
  • The dynamic and static load ratings depend on the manufacturer and specific design, but typical values are:
    • Dynamic Load Rating (C): ~108 kN
    • Matsayi mai nauyi (C0): ~102 kN

4. Aikace-aikace:

  • NU312 bearings are commonly used in applications where high radial loads and moderate speeds are present, such as:
    • Motocin lantarki
    • Firiko
    • Kayan masarufi
    • Farashinsa
    • Compressors

5. Abu:

  • Yawanci an yi shi daga ƙarfe na chrome mai inganci (E.g., Sa.e 52100) for durability and wear resistance.
  • Optional materials like stainless steel or special coatings may be available for corrosive or high-temperature environments.

6. Cage:

  • The cage (which separates the rollers) is usually made of steel, brass, or polyamide (plastic), depending on the application requirements.

7. Lubrication:

  • Proper lubrication is essential for optimal performance. Grease or oil lubrication can be used, depending on the operating conditions.

8. Hawa da kiyayewa:

  • NU312 bearings are typically mounted with an interference fit on the shaft and a loose fit in the housing.
  • Regular maintenance, including lubrication and monitoring for wear, is necessary to ensure long service life.

Idan kuna buƙatar ƙarin bayanai, such as specific load ratings, haƙuri, or manufacturer-specific information, sanar da ki!

zazzage nan da nan!