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www.thk.ru thk-mail@ya.ru Тел. (495) 727-22-72■ Low NoiseType SBN maintains quiet operation under high-speed rotation by adopting caged ball technologythat eliminates collisions of adjacent metal balls.ItemLubricatorMeasureDescriptionAFF grease1mFFTNoise meterSoundproofingmaterial1000 mmMTest equipmentNoise level dB (A)BIF2505-5SBN2505-5Conventionalrepresentative valuesType SBNrepresentative values<strong>Ball</strong> diameter × B.C.D × Rotational speed