The K81209- INA Bearing is a needle roller thrust bearing specifically designed for industrial applications. With dimensions of 45 mm bore diameter, 73 mm outer diameter, and 9 mm width, this bearing is engineered to handle axial loads efficiently in various machinery. Manufactured by INA, a recognized brand in the bearings sector, the K81209- serves critical roles in many industrial processes where thrust bearings are required for optimal operation.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 45 mm |
| Outer diameter (D) | 73 mm |
| Width / Thickness (B) | 9 mm |
| Weight | 0.225 kg |
| Basic dynamic load rating (C) | 25 kN |
| Basic static load rating (C0) | 28 kN |
| Limiting speed | 3,000 rpm |
| Reference speed | 1,800 rpm |
| Cage type | Polyamide PA66 |
| Shielding / Sealing | Open |
| Operating temperature range | -20 / +120 °C |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Lithium grease |
| Precision class | P0 |
| Internal clearance | CN |
Technical advantages
The K81209- INA Bearing provides several technical advantages that enhance its application in various industrial settings:
- Basic dynamic load rating of 25 kN, suitable for high axial load applications.
- Basic static load rating of 28 kN, ensuring durability under static conditions.
- Limiting speed of 3,000 rpm, facilitating efficient operation in high-speed applications.
- Polyamide PA66 cage type reduces friction and contributes to smooth operation.
- Operating temperature range of -20 / +120 °C allows for versatility across different environments.
- Factory lubrication with lithium grease minimizes maintenance requirements.
Typical applications
The K81209- INA Bearing is utilized across various industries due to its robust design and performance characteristics:
- Machine tools (vertical and horizontal milling machines, lathes)
- Automotive applications (gearboxes, differential assemblies)
- Aerospace (actuation systems, landing gear mechanisms)
- Construction machinery (excavators, cranes)
- Textile machinery (spinning and weaving machines)
Availability and ordering
Eurobearing.eu is a specialized B2B supplier offering fast availability of the K81209TVA/08-INA bearing. For bulk quantities, you can request a quote directly on our website. Add to cart today or request a quotation for your specific needs.
