The Needle Roller Inner Ring IR75X85X54 – 75X85X54-EGS is a robust component designed for precision in demanding industrial environments. With dimensions of 75 mm bore diameter, 85 mm outer diameter, and 54 mm width, this component is an ideal choice for applications requiring tight tolerances and high load capacities. Typically used in conjunction with needle roller bearings, it serves essential roles in machinery where space constraints and high performance are critical.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 75 mm |
| Outer diameter (D) | 85 mm |
| Width (B) | 54 mm |
| Basic dynamic load rating (C) | Consult official catalog |
| Basic static load rating (C0) | Consult official catalog |
| Limiting speed (rpm) | Consult official catalog |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
| ISO / cross-reference equivalent code | Consult official catalog |
Technical advantages
Discover the specific benefits that the Needle Roller Inner Ring IR75X85X54 brings to industrial applications:
- Rings in heat-treated 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeds 107 cycles
- Standard CN radial clearance, optimal for assemblies without preload
- Machined to precision class P0, suitable for general-purpose applications
- Compatible with high-performance needle bearings for compact designs
- Manufactured to ISO standards, guaranteeing interchangeability in global supply chains
Typical applications
This needle roller inner ring is essential for various industries, offering reliable performance in:
- Automotive manufacturing (gearboxes, transmissions)
- Industrial machinery (metal cutting machines, presses)
- Textile equipment (looms, knitting machines)
- Aerospace components (actuators, control systems)
- Construction equipment (cranes, excavators)
Availability and ordering
Eurobearing.eu is a specialised B2B supplier providing fast availability of the Needle Roller Inner Ring IR75X85X54 – 75X85X54-EGS. For bulk quantities, request a quote through our platform for competitive pricing. Add to cart or request a quotation today to meet your industrial component needs.

