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by Koyo

Koyo HK1816 Needle Roller Bearing, Caged Drawn Cup, Steel, Metric 18 millimeters ID, 24 millimeters OD, 16 millimeters Width, 18000 rpm Max RPM, 3777 pounds Static Load Capacity, 2608 pounds Dynamic Load Capacity

Price: $4.95 + $9.95 shipping
In stock.
Usually ships within 3 to 4 days.
Ships from and sold by Locate Ball Bearings.
2 new from $4.95

Specifications for this item
Brand Name Koyo
Part Number HK1816
UPC 060579019940
Material Type Steel
System of Measurement millimeters
Bore Diameter 18  mm
Outside Diameter 24  mm
Overall Width 16  mm
Max Rotational Speed 18000  RPM
Static Load Capacity 3777  pounds
Dynamic Load Capacity 2608  pounds
EAN 0060579019940
Number of Items 1
UNSPSC Code 31171512

This Koyo caged drawn cup needle roller bearing has a steel cage and is sui... Read full product description

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Product Features

  • Drawn cup needle roller bearing for applications with high dynamic loads
  • Drawn steel outer shell (cup) has a reduced cross-section for use in restricted spaces
  • Steel cage guides and evenly spaces rollers for reduced friction, vibration, and noise
  • Through-hardened, high-carbon chromium steel rollers for heat tolerance and durability under heavy loads
  • Meets standards ANSI/ABMA 18.1, DIN 618, and ISO 3245 for quality assurance

Product Details

Product Description

This Koyo caged drawn cup needle roller bearing has a steel cage and is suitable for applications with high dynamic loads. It has a smaller cross-section than a machined needle roller bearing for use in restricted mounting spaces. The steel cage provides guidance and even spacing of the rollers for reduced friction, vibration, and noise when operated at high speeds. The needle rollers are made of through-hardened, high-carbon chromium steel for durability and heat tolerance, and have contoured ends to optimize the distribution of contact stress. This radial needle roller bearing is used in various applications, such as automotive and truck transmissions, agricultural and construction equipment, pumps and compressors, and two-cycle engines, among others.


Identification code, boundary dimensions, symbols and nomenclature, tolerances, and mounting practicesAmerican National Standards Institute/American Bearing Manufacturers Association ANSI/ABMA 18.1
Boundary dimensions, symbols and nomenclature, tolerances, and mounting practicesDeutsches Institut für Normung DIN 618
Boundary dimensions and tolerancesInternational Organization for Standardization ISO 3245

Roller bearings use rolling elements to maintain a separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. Roller bearings can be open on both ends (a shaft can pass through) or open on one end and closed on the other. An open end can be sealed or shielded to protect the bearing from solid contaminants and moisture that could reduce its lifespan. If an end is sealed, the sealing component is an elastomer lip that contacts the shaft. If it is shielded, the shielding is a non-contact lip, usually made of metal. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.

Koyo Bearings USA manufactures needle roller bearings, bearing assemblies, and needle rollers for automotive and industrial applications. The company, founded in 2009, is headquartered in Canton, OH, and meets International Organization for Standardization (ISO) standards 14001 and TS 16949 for quality assurance.

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