... .Diameter:75~125mm 2.Load capacity:70~140kg 3.Thermoplastic rubber caster 4.Available in plate and threaded stem fittings ... caster 2.Wheel diameter: 75mm,100mm, 125mm3.Caster material: Thermoplastic rubber with precision ball bearing ,pressed steel,zinc plated,double ... . Our wheel diameter is from 15mm to 300mm, materials include rubber, TPR, PU, plastic, nylon, cast iron, pneumatic, phenolic and ...