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Inner Ring Series: IR
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SKF Inner Ring Series: IR

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Product overview

Inner rings are typically combined with needle roller and cage assemblies or drawn cup needle roller bearings in applications where the shaft cannot be hardened and ground.
Inner rings are available in two series: IR series with or without a lubrication hole and the LR series.

IR series inner rings:

  • are the standard inner rings for needle roller bearings
  • are hardened and ground
  • have a precision ground raceway surface with a lead-in chamfer on both sides
  • are available in some sizes with a lubrication hole (designation suffix IS1)
LR series inner rings:
  • are hardened, and the bore and raceway diameter are ground
  • side faces are turned and the edges are smoothed
  • can be used to provide a cost-effective bearing arrangement for applications where the larger run-out and width tolerances are less important

Inner diameter (mm)
Width (mm)
Outer diameter (mm)
with Lubrication hole: No
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Inner Ring IR 12X16X20 SKF Inner Ring IR 12X16X20 ERIKS Item #: IR12X16X20-SKF

Catalogue item no 1: 2093534

Catalogue item no 2: W70A-51620

Estimated delivery date 21-06-2024 
Price (Per piece):
£9.26
Inner Ring IR 14X17X17 SKF Inner Ring IR 14X17X17 ERIKS Item #: IR14X17X17-SKF

Catalogue item no 1: 2093578

Catalogue item no 2: W70A-51626

Estimated delivery date 21-06-2024 
Price (Per piece):
£10.04
Inner Ring IR 17X20X20 SKF Inner Ring IR 17X20X20 ERIKS Item #: IR17X20X20-SKF

Catalogue item no 1: 2093604

Catalogue item no 2: W70A-51642

Estimated delivery date 21-06-2024 
Price (Per piece):
£10.35
Inner Ring IR 17X20X20.5 SKF Inner Ring IR 17X20X20.5 ERIKS Item #: IR17X20X20.5-SKF

Catalogue item no 1: 2093605

Catalogue item no 2: W70A-51643

Estimated delivery date 21-06-2024 
Price (Per piece):
£10.56
Inner Ring IR 25X30X30 SKF Inner Ring IR 25X30X30 ERIKS Item #: IR25X30X30-SKF

Catalogue item no 1: 2093870

Catalogue item no 2: W70A-51687

Estimated delivery date 21-06-2024 
Price (Per piece):
£19.02
Inner Ring IR 25X30X38.5 SKF Inner Ring IR 25X30X38.5 ERIKS Item #: IR25X30X38.5-SKF

Catalogue item no 1: 2093919

Catalogue item no 2: W70A-51689

Estimated delivery date 21-06-2024 
Price (Per piece):
£21.11
Inner Ring IR 28X32X30 SKF Inner Ring IR 28X32X30 ERIKS Item #: IR28X32X30-SKF

Catalogue item no 1: 2093896

Catalogue item no 2: W70A-51696

Estimated delivery date 21-06-2024 
Price (Per piece):
£20.65
Inner Ring IR 30X35X20 SKF Inner Ring IR 30X35X20 ERIKS Item #: IR30X35X20-SKF

Catalogue item no 1: 2093730

Catalogue item no 2: W70A-51701

In Stock
Price (Per piece):
£13.71
Inner Ring IR 30X35X30 SKF Inner Ring IR 30X35X30 ERIKS Item #: IR30X35X30-SKF

Catalogue item no 1: 2093897

Catalogue item no 2: W70A-51705

Estimated delivery date 21-06-2024 
Price (Per piece):
£20.45
Inner Ring IR 35X40X17 SKF Inner Ring IR 35X40X17 ERIKS Item #: IR35X40X17-SKF

Catalogue item no 1: 2093767

Catalogue item no 2: W70A-51716

Estimated delivery date 21-06-2024 
Price (Per piece):
£15.04
Inner diameter (mm)
Width (mm)
Outer diameter (mm)
with Lubrication hole: No
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