D4693-97
Standard Test Method for Low-Temperature Torque of Grease-Lubricated Wheel Bearings

1.1 This test method determines 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 Nm at -40°C.

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