AV-D5010 50mm brushless fan motor50*50*10Features: 1. Packaging Detail: PE Bag & white/color box, blister package2. Normal Operating Temperature: 25°C-45°C3. Life Expectancy: Dual Ball Bearing: 55000 hoursSleeve Bearing: 20000-30000 hours4. Standard: Fully CE, ROHS ApprovedSpecification