Koyo NRB B-348

Koyo NRB B-348 Description

B-348 Drawn Cup Needle Roller Bearing, Bore Dia.: 2-1/8", Outside Dia.: 2-1/2", Width: 1/2", Max RPM: 3,100RPM

Koyo NRB B-348 Detailed data

Bore Diameter: 2-1/8
Outside Diameter: 2-1/2
Overall Width: 1/2
Drawn Cup Type: Open Ends with Full Complement
Closure Type: Open
Operating Temperature Range: Maximum of +250 F
Dynamic Load Capacity: 5870 lbf
Static Load Capacity: 11500 lbf
Cage Material: No Cage
Maximum RPM: 3100 RPM
Precision Rating: Not Rated
Series: B
Lubrication Hole Type: No Hole
Standards Met: ANSI/ABMA 18.2, ASTM F2162
Compatible Inner Ring: IR-3024

Koyo NRB B-348 Features

  • Needle roller and cage assemblies consist of a complement of needle rollers held in place by a cage
  • With no inner or outer ring, the low cross section provides maximum load-carrying capability within the smallest envelope
  • The mating shaft and housing are normally used as inner and outer raceways
  • Unsealed closure
  • B Series: Standard Series full complement of mechanically-retained needle rollers
  • BH Series: Heavy Series full complement of mechanically-retained needle rollers
  • -OH designates with oil hole for lubrication
  • Request for Quotation

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