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、Good steel gives the product a longer life, no noise and improves work efficiency. 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: 100% Brand New Item Type: Pillow Bearing Model: UCP206, UCP206-18 (optional) Material: Metal 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.