Motion Office Chair Replacement Caster Wheels, 70 Okina Mu Series - White (Set of 5). SAFE ON ALL FLOORS: Non-marring, medium durometer urethane tires are suitable for hard & soft flooring.
Hygienic twin-wheel hubless design (no axle or blind opening to hold debris). NEAR UNIVERSAL FIT: Standard 11mm friction sleeve stem mount fits most office and gaming chair sockets (not IKEA). Quick and easy installation in seconds. EXPONENTIALLY STRONGER: Estimated load capacity of 200 lbs.
Per caster 5 casters = 1000 lbs. Certified compliant with BIFMA X5.1 durability standards for office chairs. BEARINGS MAKE ALL THE DIFFERENCE: Utilizes two large high-precision chrome steel radial ball bearings per caster. PLEASE MESSAGE US IF YOU HAVE ANY OTHER QUESTIONS, AND MANY THANKS FOR READING ALL OF THIS.