GB/T 32321-2015: Translated English of Chinese Standard. (GBT 32321-2015, GB/T32321-2015, GBT32321-2015): Rolling bearings - Sealed deep groove ball bearings - Performance test rule of dustproofing, grease leakage and temperature rise
https://www.chinesestandard.net, 11/05/2019 - 11 páginas
This Standard specifies performance test rule of dustproofing, grease leakage and temperature rise for general-purpose sealed deep groove ball bearings, of which the dimensions meet the diameter series 0, 2, 3 in GB/T 276, nominal inner diameter. The bearings of other types, sizes and size ranges shall refer to this Standard to use. This Standard is applicable to dustproofing, grease leakage and temperature rise tests for sealed ball bearings on test devices.
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according to Table actual measured temperature ambient temperature Amount of grease applies ball bearings sealed bearing chamber bearing operation bearing sample mass bearings sealed ball bearings with dust clean conditions Nominal inner contact sealed ball deep groove ball determine diameter of bearing dimensions dust cover dust invasion amount dust medium box dustproofing performance test gasket ring GB/T grease leakage performance Grease leakage rate grease sample groove ball bearings inspection leakage and temperature leakage performance test leaked Limit speed machine Nominal inner diameter Non-contact sealed ball outer surface performance according performance of sealed performance test conditions piece/cm3 Pre-test bearing sample references respectively ring or dust rise performance test Rolling bearings sample’s sealed ball bearings selected according set by set set of bearing sides single set specified test conditions Standard temperature of outer temperature rise performance test conditions Nominal Test device test the test turn verified as qualified Weigh wipe