Koyo NRB HJ-303920

Koyo NRB HJ-303920 Description

Needle Roller Bearing - 1.8750 in Bore, 2.4375 in OD, 1.2500 in Width, Open

Koyo NRB HJ-303920 Detailed data

Bore Diameter: 1.8750
Outside Diameter: 2.4375
Overall Width: 1.2500
Needle Bearing Type: Machined Bearing with No Inner Ring
Closure Type: Open
Operating Temperature Range: Maximum of +250 F
Dynamic Load Capacity: 14700 lbf
Static Load Capacity: 26300 lbf
Maximum RPM: 9200 RPM
Flanges: With Flanges
Series: HJ
Lubrication Hole Type: Lubrication Groove & Hole
Precision Rating: Not Rated
Compatible Inner Ring: IR-253020
Standards Met: ASTM F2246, Military Standard MS 51961

Koyo NRB HJ-303920 Features

  • One-piece channel-shaped outer ring of bearing quality steel, heat-treated to provide maximum load rating
  • Integral end flanges provide axial location for the needle rollers
  • Bores of the end flanges serve as piloting surfaces for the cage, locating it to prevent removal of the lubricant film on the raceway
  • These bearings have a steel cage which provides inward retention for the needle rollers
  • The design assures roller stability and minimizes friction between the cage and the needle rollers
  • The needle rollers are made from high carbon chrome steel, through-hardened, ground and lapped to close tolerance with controlled contour for optimum load distribution
  • Unsealed closure
  • Request for Quotation

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