Soft/hard rubber wheel with derlin

1. Horn: Double ball raceways design, bright zinc plated.
2. Wheel: Black rubber (75~90A) / plain bore. Or delrin bearing.
3. Suggest to use for many environments, Suitable for bakeries, dusty environments, etc. Temperature range: -20℃~80℃
4. Load Capacity: 2" :30KG; 2.5" :40KG; 3" :53KG; 4" :60KG