► Finer | IKO - Inner Rings

Precision Shaft Surfaces for Needle Roller Bearing Systems

Not all shafts are manufactured with bearing-ready surfaces. Inner rings are used to create a hardened precision raceway where needle roller bearings operate directly on shafts that lack suitable surface finish or hardness.

This collection presents Finer IKO inner rings designed to provide consistent running surfaces for needle roller bearing applications. Manufactured with tight tolerances & hardened steel these inner rings allow bearing systems to perform reliably without requiring shaft hardening or grinding.

Across Australian manufacturing plants automation equipment & mechanical assemblies inner rings are commonly specified within Needle Roller Bearings systems where compact radial load support is required. They enable designers to maintain bearing performance while simplifying shaft preparation.

Inner rings are frequently introduced into assemblies using Machined Type NRB bearings, allowing controlled interaction between rollers & raceways while preserving dimensional accuracy under load.

Where bearing systems incorporate guided or rolling contact components inner rings are often used alongside Cam Followers, supporting coordinated motion without direct shaft wear.

Shaft positioning & axial location remain critical. For this reason inner rings are typically retained using components from Locknuts & Washes, ensuring correct placement during operation.

In mixed bearing arrangements inner rings may also operate near Cylindrical Roller Bearings, allowing designers to combine different bearing types within the same shaft system while maintaining consistent surface quality.

What’s in This Collection:

► IKO inner rings
‣ Provides hardened raceways for needle bearings

► Precision-ground running surfaces
‣ Ensures smooth roller contact

► Hardened steel construction
‣ Resists wear under high radial loads

► Standardized dimensions
‣ Matches common shaft & bearing sizes

► Industrial-grade finish quality
‣ Supports long service life