Description The appliance roller bearing is expertly crafted with precision ball caster designs for efficient and smooth rotation. Its high-strength materials and compact structure allow seamless integration into automation equipment and furniture rollers, meeting the needs of users requiring silent performance and enhanced operational flexibility in restricted spaces. Features -Color:Silver -Material:Carbon steel -Size:3.20X3.20X2.20cm/1.26X1.26X0.86in -Efficient mobility: the appliance roller bearing design ensures smooth and effortless movement for furniture and equipment, making daily operations more convenient and efficient for users -Wide compatibility: universal wheel balls are suitable for multiple scenarios, including precision instruments and automation devices, enhancing operational flexibility wherever installed -Durable build: crafted from highstrength materials, these ball bearing casters offer wear and pressure resistance, minimizing maintenance and replacement frequency -Spacesaving solution: featuring compact roller balls, this hardware roller set provides maximum load capacity while utilizing minimal space, perfect for limited installation areas -Quiet operation: the ball caster bearing construction delivers silent rotation, creating a comfortable environment ideal for office or residential settings where noise reduction is essentialPackage list: 12 x roller bearings