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Part Number IR-506032, Inner Ring (IR)

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  • Ideal choice where the shaft is not practical to use as inner raceway.
  • Designed to meet established inch tolerances.
  • Maximum shaft fillet radius cannot exceed inner-ring bore chamfer as shown.
  • Optional centralized lubrication groove (bore) or through hole available – specify when ordering.
  • Designed to be axially clamped against shoulder for loose transition fit on shaft.
  • After mounting, for tight transition fit (keeping inner ring from rotating relative to shaft), inner-ring O.D. must not exceed raceway diameter on matching bearing.
  • After mounting, if O.D. of inner ring exceeds the required raceway diameter for matching bearing, ring should be ground to proper diameter while mounted on shaft.
  • Unmarked end of inner ring to be assembled against the shaft shoulder to ensure clearing the maximum allowable shaft fillet as indicated in tables shown.




Specifications  · Dimensions  · Sub Assembly Part Numbers

Specifications

Shaft Diameter
3.125 in

Max. Loose Transition Fit S
3.1246 in
79.365 mm

Min. Loose Transition Fit S
3.1239 in
79.347 mm

Max. Interference Fit
3.1259 in
79.398 mm

Min. Interference Fit
3.1254 in
79.385 mm


Dimensions

Dimension D
3.125 in
79.375 mm

Dimension F
3.7500 in
95.250 mm

Dimension B
2 in
50.8 mm

Chamfer rsmin
0.10 in
2.54 mm


Sub Assembly Part Numbers

Used with Bearing Designation
HJ-607632


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·  Inner Ring (IR)-2



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Catalog and Technical Information - Cylindrical Roller Bearings