K 42X50X20 Bearings
K 42X50X20 Bearings
K 42X47X13 Bearings
K 42X47X13 Bearings

K 42X47X17 Bearings

K 42X47X17 Bearings
K 42X47X17 Bearings

K 42X47X17 Single row needle roller and cage assembly

Technical Specification of K 42X47X17 Bearings

K 3X5X7 TN Bearings

Dimensions of K 42X47X17 Bearings

42 mm
Diameter under rollers
47 mm
Outside diameter roller complement
17 mm
Width needle roller and cage assembly

Caliculation Data of K 42X47X17 Bearings

Basic dynamic load ratingC
33.6 kN
Basic static load ratingC0
57 kN
Fatigue load limitPu
7.1 kN
Reference speed 
9 500 r/min
Limiting speed 
11 000 r/min


Mass of K 42X47X17 Bearings

Mass needle roller and cage assembly
0.053 lb

Product Features of K 42X47X17 Bearings

  • Needle roller and cage assemblies are self-contained, ready-to-mount bearings without inner and outer rings.
  • In applications where the shaft and housing bore can serve as raceways, the assemblies can be used to create bearing arrangements that require minimal radial space.
  • As the clearance of the bearing arrangement is only affected by the roller sorting and the finish of shaft and housing, very precise bearing arrangements can be achieved.
  • High radial load carrying capacity
  • High stiffness
  • High precision
  • Lowest cross-sectional height among rolling bearings
  • Accommodate axial displacement in both directions

Applications of K 42X47X17 Bearings

  • The following are examples of applications where needle roller bearings may be used:
  • Household appliances; automobiles, electrical, instruments, construction machinery, railroad vehicles, agricultural machinery, etc..
Applications of W 618/0.6 Bearings
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Wind Turbines
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Steel Industry
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Food Processing Machinery
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Mining & Construction
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Electric motors and generators

Product classification of Needle roller bearings

FAQ of K 42X47X17 Bearings

  • Ball bearings are ideal for high-speed rotation, while roller bearings are more suited for high loads.
  • Because cylindrical roller bearings have separable inner and outer rings, they generally do not come with seals (open specification). As such, please apply seals or other protection around the equipment mounting.
  • EW Series bearings are small and utilize a pressed cage, making them suitable for standard operating conditions. ET Series bearings use a polyamide-resin cage suited for high temperatures. Finally, EM Series bearings have machined cages for use in harsh conditions such as gearboxes or vibrating machinery or in applications where the bearing must be quiet, such as in mid-to-large size motors.

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