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Detailed conveyor steel pully feature: 
1. Steel pulley's size depends on the detailed belt width, the structure can be according to our design or the customers; Requiremetns, which are used in the steel industry, harbor, coal industry, power industry, cement industry, etc. 
2. Tube: Carbon steel Q235 
3. Shaft: 45#steel 
4. Bearing: Single &Double Row Deep Groove Ball Bearing with C3 clearance. 
5. Seals: Grease retaining inner seal with Multi-stage Labyrinth and Retention Cap with Outboard Rubbing Flinger Seal. 
6. Lubrication: Grease is Lithium soap type grease with Rust Inhibitors. 
7. Welding: Mixed gas shielded arc welding end. 
8. Surface treatment: Rubber lagging/painting 
9. Painting: Ordinary painting, hot galvanized painting, electric static spraying painting, baked painting.