All Product Types > ENGINEERED BEARINGS > Cylindrical Roller Bearings > Inner Ring (IR) > Part Number IR-607240  

Part Number IR-607240, 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
3.750 in

Max. Loose Transition Fit S
3.7495 in
95.237 mm

Min. Loose Transition Fit S
3.7487 in
95.217 mm

Max. Interference Fit
3.7511 in
95.278 mm

Min. Interference Fit
3.7505 in
95.263 mm


Dimensions

Dimension D
3.750 in
95.25 mm

Dimension F
4.5000 in
114.300 mm

Dimension B
2.5000 in
63.500 mm

Chamfer rsmin
0.10 in
2.54 mm


Sub Assembly Part Numbers

Used with Bearing Designation
HJ-729640


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·  Inner Ring (IR)-2



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Catalog and Technical Information - Cylindrical Roller Bearings