Roller Bearing Box High Quality with Plastic Seals Bearing Block. High Precision Material: Raw material SPHC from Baosteel with precision tolerance reaching M7. Durable Sealing System: PA6 inner sealing and POM labyrinth seals offer strong wear and abrasion resistance. Wide Bearing Compatibility: Supports various bearing types including 6203-6310 and multiple roller diameters. Professional Manufacturing: Over 15 years experience with ISO9001-2008 certified production lines. Customization Options: Supports custom housing based on drawings, samples, or designs. Versatile Application: Ideal for mining, port, cement, and bulk material handling projects. Global Export Experience: Exported to over 30 countries including USA, Russia, and Europe. Secure Packaging: Packed in wooden cases with waterproof paper to ensure safe shipping.