1The bearing dust cover is a 4 star double-layer dustproof cover to prevent dust from entering. 2Self-lubricating, bearing with oiling hole, the bearing has been filled with proper amount of lubricant at the factory. It does not need to be cleaned before installation. 3After half a year, the lubricant can be replenished properly. If not, please close the cover. 4The bearing housing is heavy, more heavy and more durable than ordinary bearing housing. 5The bearing have high load resistance, universal for mechanical. Features: 1. The bearing dust cover is a 4 star double-layer dustproof cover to prevent dust from entering. 2. Self-lubricating, bearing with oiling hole, the bearing has been filled with proper amount of lubricant at the factory. It does not need to be cleaned before installation. 3. After half a year, the lubricant can be replenished properly. If not, please close the cover. 4. The bearing housing is heavy, more heavy and more durable than ordinary bearing housing. 5. The bearing have high load resistance, universal for mechanical. 6. Good steel gives the product a longer life, no noise and improves work efficiency. Specification: Condition: Item Type: Pillow Bearing Model: UCP207, UCP207-22 (optional) Material: Metal UCP207 Bearing Size: Inner Diameter: Approx. 35cm / 13.8in Length * Width * Height: Approx. 16.7 * 4.8 * 9.3cm / 6.6 * 1.9 * 3.7in UCP207-22 Bearing Size: Inner Diameter: Approx. 34.925cm / 13.75in Length * Width * Height: Approx. 16.7 * 4.8 * 9.3cm / 6.6 * 1.9 * 3.7in Package List: 1 * Pillow Bearing Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.