Product Category Search
Top rated plastic spheres
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Best overall
Tente 10 mm Solid Polypropylene Spherical Castors
Durable polypropylene spheres with low rolling resistance, ideal for heavy-duty industrial applications.
- High load capacity
- Smooth rolling
- Chemical resistant
- Limited size options
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Best precision
SKF Steel Precision Bearing Balls
Chrome steel balls with tight tolerances, perfect for bearings and ball mills.
- Extremely precise
- High hardness
- Corrosion resistant
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Best budget pick
Uxcell Nylon Plastic Spheres
Affordable nylon balls suitable for light-duty rollers and DIY projects.
- Low cost
- Lightweight
- Self-lubricating
- Lower durability
- Not for heavy loads
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Best for light weight
McMaster-Carr 6061 Aluminum Balls
Hard anodized aluminum spheres used in aerospace and custom machining.
- Lightweight
- Good strength-to-weight
- Corrosion resistant
- Softer than steel
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Best for high speed
Boca Bearing 52100 Chrome Steel Balls
Grade 25 chrome steel balls for precision bearings and high-speed applications.
- High precision grade
- Long fatigue life
- Consistent quality
- Expensive for larger sizes
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Best for quiet operation
Tente 12 mm Polyamide Spherical Wheels
Reinforced polyamide spheres that run quietly on floor surfaces.
- Quiet rolling
- Resistant to impact
- Non-marking
- Lower temperature resistance
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Best premium
SKF Ceramic Hybrid Bearing Balls
Ceramic balls for extreme environments: high temperature, chemical, or electrical insulation.
- Exceptional longevity
- Lightweight
- Non-conductive
- High cost
- Brittle under shock