NK 47/30 Needle Roller Bearing 47x57x30mm

NK 47/30 Needle Roller Bearing 47x57x30mm

Danh mục: Needle Roller Bearings Có sẵn
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Specifications
  • Inner Diameter (ID): 47
  • Outer Diameter (OD): 57
  • Width (W): 30
  • Overall Size (IDxODxW): 47x57x30
  • Dynamic Load Rating: 41.8 kN
  • Static Load Rating: 98 kN
  • Reference Speed: 8 500 rpm
  • Limiting Speed: 10 000 rpm
  • Cage Material: Sheet Steel
  • Seal Type: None On Both Sides
  • Clearance: CN
  • Precision: Grade 0
  • Operating Temperature: -30 掳C to +120 掳C
  • Mass: 0.142 kg
Mô tả

Needle Roller Bearings have long, thin cylindrical rollers resembling needles. They excel at handling high radial loads in tight spaces, making them ideal for automotive transmissions, gearboxes, and machinery. Lightweight, cost-effective, and suitable for high speeds, they distribute loads evenly and require proper lubrication for durability. Single-row variants without an inner ring work well in compact setups with hardened shaft raceways. The outer ring includes two non-separable closure rings that act as flanges to guide the bearing axially.


SPECIFICATIONS
 
 
Inner Diameter 47 mm Number of Rows Single Row
Outer Diameter 57 mm Cage Material Sheet Steel
Width 30 mm Seal Type None On Both Sides
Dynamic Load Rating 41.8 kN Clearance CN
Static Load Rating 98 kN Precision Grade 0
Fatigue Load Limit 12.5 kN Min Temperature -30 °C
Reference Speed 8 500 rpm Max Temperature +120 °C
Limiting Speed 10 000 rpm Size Standard Metric System
Rolling Element Roller Mass 0.142 kg


FEATURES AND BENEFITS


  • High load-carrying capacity.

  • Low cross-sectional height.

  • Support both radial and axial loads.

  • Well suited for applications with limited radial space.

 

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Feiken Bearing Sdn Bhd
Feiken Bearing Sdn Bhd Bearing Manufacturer Malaysia, Cylindrical Roller Bearing Supplier Selangor, Deep Groove Ball Bearing KL ~ Feiken Bearing Sdn Bhd