D1263 Grease Leakage Tester
| Origin | France |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | D1263 |
| Pricing | Upon Request |
Overview
The D1263 Grease Leakage Tester is a precision-engineered, benchtop instrument designed to quantify grease leakage under controlled thermal and mechanical stress, in strict accordance with ASTM D1263 – “Standard Test Method for Grease Leakage from Rolling Bearings.” This test method evaluates the tendency of lubricating greases to separate or bleed from rolling element bearings during operation at elevated temperatures—a critical performance indicator for automotive, industrial, and aerospace applications where bearing integrity and long-term lubrication stability are paramount. The instrument replicates real-world service conditions by rotating a standardized Timken bearing assembly within a thermally regulated air bath while measuring the mass loss of grease expelled through the bearing seal interface over a defined duration. Its architecture integrates mechanical rotation, thermal control, and safety-critical interlocks into a single robust platform compliant with laboratory-grade metrological practices.
Key Features
- Fully integrated benchtop system including motor drive, air bath heating chamber, rotating bearing assembly, and digital temperature/timing controls—no external peripherals required.
- Ceramic-coated stainless steel chassis with hinged, thermally insulated lid; automatic power cutoff of both motor and heater upon lid opening via safety interlock switch.
- Stainless steel rotating wheel mounted on insulated support, accommodating ASTM 7C thermometer insertion in jacketed bore; center shaft, aluminum drive trolley, and grease collection pan all constructed from corrosion-resistant materials.
- Two certified Timken bearing sets included: one pair (n° 15118 inner ring / n° 15250 cup) and one pair (n° 9074 inner ring / n° 9196 cup), enabling comparative testing across grease formulations and bearing geometries.
- 1/3 HP induction motor with metal shaft extension, V-belt transmission, and adjustable motor mount for precise trolley alignment and belt tensioning—engineered to maintain stable 660 ± 5 rpm rotation per ASTM D1263 specifications.
- Pt100 RTD sensor coupled with microprocessor-based PID temperature controller; digital display with 0.1 °C resolution and ±1 °C setpoint accuracy across operating range (ambient to 165 °C).
- Digital countdown timer with auto-shutdown function for drive trolley—ensures repeatability and eliminates operator-dependent timing errors.
- Overtemperature protection circuitry prevents thermal runaway; CE-marked design conforms to IEC 61010-1 for electrical safety in laboratory environments.
Sample Compatibility & Compliance
The D1263 accommodates standard Timken tapered roller bearing assemblies per ASTM D1263, supporting both large- and small-format configurations (supplied as consumables AD1263-C00 and AD1263-C01). Sample preparation follows prescribed grease packing procedures defined in the standard, ensuring uniform bearing fill volume and seating pressure. The instrument meets requirements for GLP-compliant laboratories: temperature calibration traceable to NIST standards (via optional CAL001/CAL002 PT100 simulators), audit-ready documentation (including ASTM 7C thermometer TA007C-N00), and full compliance with ASTM D1263–2023 edition. It supports quality assurance workflows aligned with ISO/IEC 17025 accreditation criteria for testing laboratories.
Software & Data Management
While the D1263 operates as a standalone hardware system without embedded software, its digital interfaces enable seamless integration into lab-wide data governance frameworks. Temperature and timer outputs are analog-readable for connection to external data loggers or LIMS platforms. Optional PT100 calibration tools (CAL001, CAL002) support periodic verification and electronic record generation required under FDA 21 CFR Part 11 for regulated pharmaceutical or aerospace lubricant qualification. All operational parameters—including setpoint, actual temperature, elapsed time, and shutdown event logs—are manually recorded using the supplied English-language operator manual, which includes detailed SOP templates and calibration checklists.
Applications
- Quality control of automotive wheel bearing greases under high-temperature shear conditions.
- Formulation development for EP (extreme pressure) and low-bleed greases used in electric motor bearings and gearboxes.
- Comparative evaluation of thickener stability (e.g., lithium, polyurea, clay) under thermal aging.
- Regulatory submission testing for OEM specifications (e.g., GM 6277M, Ford ESB-M1C122-A) requiring ASTM D1263 validation.
- Failure analysis of grease separation mechanisms in field-failed bearing assemblies.
FAQ
What bearing types are supported by the D1263?
The instrument is configured for Timken tapered roller bearings per ASTM D1263, specifically n° 15118/15250 and n° 9074/9196 pairs.
Is the temperature control system validated for ISO/IEC 17025 compliance?
Yes—when used with certified PT100 calibration tools (CAL002) and documented SOPs, the system supports traceable temperature verification per ILAC-G8 and ISO/IEC 17025 Clause 6.4.6.
Can the D1263 be operated continuously beyond the standard 1-hour test duration?
The digital timer is programmable up to 99 hours and 59 minutes; however, extended operation must comply with thermal derating limits specified in the manual and local electrical safety regulations.
Does the unit include a built-in data export interface?
No native USB or Ethernet port is provided; analog voltage outputs (0–10 V) for temperature and timer signals are available for third-party data acquisition systems.
What maintenance is required for long-term reliability?
Recommended quarterly inspection of V-belt tension, bearing mounting torque (using AD1263-A00 torque wrench), and RTD probe integrity; annual calibration of temperature controller against reference standard.

