The Needle Roller Inner Ring LRB5,5X8 – 5,5X8X – INA is a precision-engineered component from INA, tailored for high-performance bearing applications. This inner ring, with dimensions of 5.5 mm bore diameter and 8 mm outer diameter, serves as a crucial element in facilitating the smooth operation of needle roller bearings. Engineered for use in high-stress environments, it is typically employed in sectors requiring compact, yet robust mechanical components. This product is an essential accessory for industries relying on precise and efficient mechanical systems.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 5.5 mm |
| Outer diameter (D) | 8 mm |
| Width (B) | 19 mm |
| Material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN (Normal) |
Technical advantages
The Needle Roller Inner Ring LRB5,5X8 – 5,5X8X – INA offers several technical advantages that enhance its performance in demanding applications:
- Manufactured from high-grade chrome steel 100Cr6, ensuring exceptional wear resistance and durability.
- Standard CN radial clearance suitable for applications requiring minimal friction and maximum efficiency.
- Precision class P0 / ABEC-1 for applications where standard accuracy and tolerance are paramount.
- Compact design with a width of 19 mm, ideal for space-constrained applications.
- Engineered to withstand high dynamic loads, making it suitable for heavy-duty operational environments.
Typical applications
The Needle Roller Inner Ring LRB5,5X8 – 5,5X8X – INA is commonly utilized across a variety of industries and machine types, including:
- Automotive transmissions and differentials, where precise motion control is critical.
- Textile machinery, facilitating smooth operation under continuous load cycles.
- Industrial printing equipment, ensuring reliable performance at high speeds.
- Machine tools, providing stability and accuracy in machining operations.
Availability and ordering
Eurobearing.eu, your specialized B2B supplier, ensures fast availability of the Needle Roller Inner Ring LRB5,5X8 – 5,5X8X – INA, SKU: LRB5,5X8/19-INA. Whether you need a single unit or bulk quantities, you can easily add this product to your cart or request a quotation for larger orders.

