Wheel Diameter (mm)	Tread Width (mm)	Capacity Per Wheel (kg)	Model Number	Bearing
100	51	270	4-4-401C	Delrin
			4-4-401J	Double ball
			4-4-401E	Roller
125	51	338	4-5-401C	Delrin
			4-5-401J	Double ball
			4-5-401E	Roller
150	51	410	4-6-401C	Delrin
			4-6-401J	Double ball
			4-6-401E	Roller
200	51	450	4-8-401C	Delrin
			4-8-401J	Double ball
			4-8-401E	Roller

    Because polyurethane casters polyurethane abrasion resistance, sewage and other characteristics better, so much for environmental protection, clean industry, polyurethane on the ground friction coefficient is relatively small, so in the course of a low noise figure, many environmental protection industry will choose polyurethane casters .

Wide range of applications:
    Polyurethane elastomer can now use the same general rubber mastication, mixing, curing molding process (refer MPU); also be made of liquid rubber, cast molding or coating, potting, centrifugal molding (referring to CPU); you can also make into pellets, and, like ordinary plastic, by injection, extrusion, calendering, blow molding and other processes (ie CPU). Molding or injection molded parts, within a certain range of hardness, but also can be cut, grinding, drilling and other machining. Processing of diversity, the applicability of the polyurethane elastomer is very extensive, applications continue to expand.
Good wear resistance:
    In the case of water, oil and wet working conditions of media presence, polyurethane caster wear is often several times to several times the ordinary rubber materials. Cots, vibrating screen sieve, dynamic oil seals, elevator wheel and wheel roller skates, etc. are also useless polyurethane elastomer. To increase the coefficient of friction of the low hardness polyurethane elastomer member, to improve the wear resistance under load bearing, may be added a small amount of aluminum disulfide, graphite or a lubricant such as silicone oil, in such a polyurethane elastomer.
    Resistant, transparent sound good, oil resistance, ozone resistance, aging resistance, radiation resistance and other characteristics of the adhesive, making polyurethane casters in the field of military, aerospace, acoustics, biology and other eligible have gained unanimous approval, and widely used It's a big reason.