The Needle Roller Inner Ring IR170X185X45-EGS – 170X185X45 is an essential component in the realm of bearing accessories, specifically designed for industrial applications requiring precise dimensions and reliable performance. With a bore diameter of 170 mm, an outer diameter of 185 mm, and a thickness of 45 mm, this inner ring caters to a variety of heavy-duty industrial needs. Commonly utilized in machinery where needle roller bearings are essential, this component plays a critical role in ensuring the smooth operation of various mechanical systems.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 170 mm |
| Outer diameter (D) | 185 mm |
| Width / Thickness (B) | 45 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Operating temperature range | -20 / +120 °C |
| Internal clearance | CN |
Technical advantages
The Needle Roller Inner Ring IR170X185X45-EGS offers several technical advantages that make it a preferred choice for industrial applications.
- Manufactured from heat-treated 100Cr6 chrome steel, providing a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, ensuring compatibility with assemblies that do not require preload adjustments.
- Designed to withstand operating temperatures from -20 to +120 °C, suitable for various environmental conditions.
- Precision class P0 / ABEC-1 for general-purpose applications where high precision is not critical.
- Robust design tailored for high-load applications in heavy machinery.
Typical applications
The versatility of the Needle Roller Inner Ring IR170X185X45-EGS allows it to be employed across numerous industries and machine types.
- Automotive industry (transmission systems, differential gears)
- Agricultural machinery (harvesting equipment, soil tillers)
- Heavy equipment manufacturing (excavators, cranes)
- Textile machinery (spinning frames, looms)
- Construction machinery (concrete mixers, compactors)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the Needle Roller Inner Ring IR170X185X45-EGS – 170X185X45, with fast availability of SKU: IR170X185X45EGS-ECO. For bulk quantities, request a quotation to receive competitive pricing. Add to cart or request a quotation directly from our website to secure your order today.

