Bushing & eight needle bearings which allows smooth rotation High grade Olympic bar Knurl Pattern: IWF Standard 215,000 PSI Tensile Strength Product Description The importance of quality in any Olympic bar is paramount. Given that this is such a high use item in any facility, the strength, durability and bearings all need to be high grade to ensure the safety of the user and the endurance to the facility owner. Every detail of the Origin 15kg Olympic Weightlifting Bar is produced to the highest grade. This product is already proving to be an excellent choice for weightlifters. The durability in such a heavy use piece of kit will be extremely important in your facility, both for quality management and turn-around of equipment over time. Additional Information SKU OF-WLB-15 MPN WLB-15 Manufacturer Origin Fitness Condition New Weight 15kg Bar Length 2010mm Tensile Strength 215,000 PSI Rotational System Bushing & eight needle bearings Shaft Material Hard Chrome Shaft Diameter 25mm Sleeve Diameter 50mm Sleeve Length 415mm Knurl Pattern IWF Standard Sleeve Coating Hard Chrome Capacity 544.3kg (1,200lb) Warranty Type Commercial Warranty Commercial Warranty Details We provide a lifetime warranty against manufacturing defects under the condition that they have been used and maintained correctly in line with our Barbell Warranty Conditions and definitions below. The definition of used correctly: 1.1 Weight loading should not exceed max capacity outlined in specifications1.2 Bars are not left loaded with weights1.3 Bars are only used with proper weight plates*1.3 Use is only on a proper weightlifting platform**1.4 Bars are not dropped on boxes, benches, spotter arms or similar. The definition of maintained correctly:2.1 Chalk is cleaned regularly from the bar in line with our barbell maintenance guidelines.2.2. Bars are regularly oiled to prevent rusting and to ensure correct lubrication in line with our guidelines. *We class proper weight plates as rubber or polyurethane bumper weight plates designed for use with an Olympic bar. Steel plates or handled weight discs do not fall into this category. **We class a proper weightlifting platform as a designated area where weights are dropped only on a rubberised drop zone with minimum depth 40mm.