: AVCphysical dimension:97 × 97 × 33mmSide length of 9.7 cm, thickness of 3.3 cm from the hole 10 cmBearing Type:Double ballLife:10.0000 hours (25 °, 45 ~ 85% relative humidity environment)Model; BA10033B12UCurrent2.40ARated voltage: DC12VAdditional featuresSupport speed functionFeatures Maintenance- double ball bearing, long service life, with adequate cooling air volume and wind pressure