ASTM D4693 - 07(2012)

    Standard Test Method for Low-Temperature Torque of Grease-Lubricated Wheel Bearings

    Active Standard ASTM D4693 | Developed by Subcommittee: D02.G0

    Book of Standards Volume: 05.02


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    Significance and Use

    This test method differentiates among greases having distinctly different low-temperature characteristics. This test is used for specification purposes and correlates with its precursor which has been used to predict the performance of greases in automotive wheel bearings in low-temperature service. It is the responsibility of the user to determine the correlation with other types of service.

    1. Scope

    1.1 This test method covers the determination of the extent to which a test grease retards the rotation of a specially-manufactured, spring-loaded, automotive-type wheel bearing assembly when subjected to low temperatures. Torque values, calculated from restraining-force determinations, are a measure of the viscous resistance of the grease. This test method was developed with greases giving torques of less than 35 N·m at 40°C.

    1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.3 WARNINGMercury has been designated by many regulatory agencies as a hazardous material that can cause central nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPAs websitehttp://www.epa.gov/mercury/faq.htmfor additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D217 Test Methods for Cone Penetration of Lubricating Grease

    D1403 Test Methods for Cone Penetration of Lubricating Grease Using One-Quarter and One-Half Scale Cone Equipment

    D3527 Test Method for Life Performance of Automotive Wheel Bearing Grease

    D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants

    E1 Specification for ASTM Liquid-in-Glass Thermometers

    E77 Test Method for Inspection and Verification of Thermometers

    E220 Test Method for Calibration of Thermocouples By Comparison Techniques

    E230 Specification and Temperature-Electromotive Force (EMF) Tables for Standardized Thermocouples

    E563 Practice for Preparation and Use of an Ice-Point Bath as a Reference Temperature

    E585/E585M Specification for Compacted Mineral-Insulated, Metal-Sheathed, Base Metal Thermocouple Cable

    E608/E608M Specification for Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples

    Military Standard

    MIL-G-10924F Specification for Automotive and Artillery

    ABMA Standard

    Anti-FrictionBearing 1974 (ANSI B.3.19-1975)


    ICS Code

    ICS Number Code 75.100 (Lubricants, industrial oils and related products)

    UNSPSC Code

    UNSPSC Code 31171503(Wheel bearings)


    DOI: 10.1520/D4693-07R12

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