Inner rings for ISB needle bearings offer the possibility to adopt two precise and affordable solutions in the event the shaft cannot be used as a raceway for the bearing. The inner rings are available in different widths and in two different series: IR and LR.

Both IR and LR ring types are fitted with a chamfer to facilitate their assembly.

IR inner rings are available in different versions depending on client needs, therefore with increased precision, with C2 – C3 – C4 clearance and with lubrication hole. LR inner rings are hardened with a precision finish, although side surfaces are not ground.

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