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ASTM D1478-02

Historical Revision

Standard Test Method for Low-Temperature Torque of Ball Bearing Grease

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1.1 This test method covers the determination of the extent to which a grease retards the rotation of a slow-speed ball bearing by measuring starting and running torques at low temperatures (below -20ˌC (0°F)).

1.1.1 Torque measurements are limited by the capacity of the torque-measuring equipment.

Note 1—When initially developed, the original dynamometer scale limited the torque capacity to approximately 30 000 g·cm; the original dynamometer scale is obsolete, however. The suggested replacement scale has not been evaluated; it could extend the limit to approximately 75 000 g·cm.

1.2 The values stated in SI units are to be regarded as the standard in this test method, except for torque values which are given in cgs-metric units, which are universally used in grease specifications. Other units are provided for information only.

1.3 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. For specific hazard and warning statements, see 6.1.1, 7.2, 7.4, 8.7, and 8.11.


SDO ASTM: ASTM International
Document Number D1478
Publication Date Nov. 10, 2002
Language en - English
Page Count 8
Revision Level 02
Supercedes
Committee D02.G0.05
Publish Date Document Id Type View
May 1, 2020 D1478-20 Revision
June 1, 2018 D1478-18 Revision
May 1, 2011 D1478-11R17E01 Revision
May 1, 2011 D1478-11 Revision
July 15, 2007 D1478-07 Revision
Nov. 10, 2002 D1478-02 Revision
Jan. 1, 1997 D1478-91R97 Reaffirmation