FARAX®-Bearing-FE9

Rolling Bearing Grease Test Rig for Service Life Evaluation

FARAX®-Bearing-FE9

Rolling Bearing Grease Test Rig for Service Life Evaluation

The FARAX®-Bearing-FE9 is a multi-station test rig developed to determine the service life of lubricating greases in rolling bearings. Fully compliant with DIN 51821, the FE9 test rig enables long-term endurance testing with precise control of test parameters. Equipped with five independently operated test heads, it provides the capacity for parallel testing and statistical evaluation of grease performance under realistic conditions.

Each station is equipped with individual controls, emergency shutdown systems, and thermally insulated heating units to ensure safe and reliable operation.

Applications
& Test Focus

  • Service life testing of rolling bearing greases (DIN 51821)

  • Long-term evaluation of lubricant aging behavior

  • Comparative grease quality analysis

  • Statistical endurance testing across multiple stations

  • Friction and temperature monitoring under defined loads

Technical Specifications

Parameter Value
Standard DIN 51821
Number of Stations 5 (individually controlled)
Test Bearing FAG 529689A (JP-type cage)
Axial Load Steps 1.5 / 3.0 / 4.5 kN
Temperature Range Up to 250°C
Heating System External heating with insulation hood
Emergency Stop Yes, friction overload protection
Monitoring Speed, Temperature, Friction Moment
Motor Type Three-phase, adjustable

Features & Advantages

  • Five test stations with individual electronic control

  • Bearing type: FAG 529689A with JP-type cage

  • External heating system with temperatures up to 250°C

  • Axial loading steps of 1.5, 3.0, and 4.5 kN

  • Thermocouple-based temperature measurement

  • Automatic emergency stop on bearing friction overload

  • Pre-clamping device and thermal insulation cover on each station

Why Multi-Station?

Due to the long duration and variability of grease aging processes, single-station testing is often insufficient for reliable evaluation. DIN 51821 recommends multiple parallel tests to achieve statistically meaningful results. FARAX-Bearing-FE9 enables high-throughput endurance testing while offering flexibility for various lubrication concepts, bearing setups, and custom loads or speeds.

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