The chain is fine...but I ordered the wrong size. Nine links of the chain I ordered equals six of the size I wanted. My error...
How can I straighten out the springs? I can't use them coil uo as is.
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When metal bearings corrode, seize, or add unnecessary weight to your build, you need a smarter alternative. These 6200–6206 series plastic PP glass ball bearings are engineered for DIYers, hobbyists, and light-duty machine builders who need reliable rotation in wet, chemical-exposed, or weight-sensitive environments where standard steel bearings fall short.
Each bearing features a polypropylene (PP) outer race and cage paired with precision glass balls, delivering a non-metallic, non-magnetic, and corrosion-resistant rolling element assembly. Available in standard 6200-series dimensions: inner diameters from 10mm (0.39") to 30mm (1.18"), outer diameters from 30mm (1.18") to 62mm (2.44"), and widths from 9mm (0.35") to 16mm (0.63").
Ideal for use in water pump impellers, food-grade conveyor systems, RC car wheel axles, 3D printer carriage assemblies, and light-duty fan or spinner builds — anywhere a plastic ball bearing for corrosive environments or a non-metallic bearing replacement is required.
Polypropylene race and cage resist water, mild acids, and common chemicals — ideal for wet or outdoor environments where steel bearings would rust.
Glass balls provide smooth, consistent rotation with low friction, making these bearings suitable for light-load spinning, guiding, and positioning tasks.
Significantly lighter than steel equivalents, reducing rotational inertia in weight-sensitive builds such as RC vehicles, drones, and 3D printer carriages.
Follows ISO 6200-series sizing (6200 through 6206), ensuring drop-in compatibility with existing bearing housings, shafts, and seats without modification.
Non-metallic construction eliminates magnetic interference and reduces operational noise — suitable for electronics enclosures and sensitive instrument builds.
Available in packs of 1 to 20 pieces per order, letting you stock exactly what your project requires without over-ordering.
| Bearing Series | 6200 / 6201 / 6202 / 6203 / 6204 / 6205 / 6206 |
|---|---|
| Inner Diameter (ID) | 10mm / 12mm / 15mm / 17mm / 20mm / 25mm / 30mm |
| Outer Diameter (OD) | 30mm / 32mm / 35mm / 40mm / 47mm / 52mm / 62mm |
| Width (Thickness) | 9mm / 10mm / 11mm / 12mm / 14mm / 15mm / 16mm |
| Race & Cage Material | Polypropylene (PP) |
| Rolling Element | Glass balls |
| Max Operating Temperature | Typically up to 80°C (176°F) |
| Corrosion Resistance | Water, mild acids, mild alkalis |
| Magnetic Properties | Non-magnetic |
| Load Rating | Light-duty (see variant options for specific load data) |
| Seal Type | Open (unsealed) |
| Available Quantities | 1 / 2 / 3 / 4 / 5 / 7 / 10 / 12 / 15 / 20 Pcs |
| Weight per Unit | See variant options |
Match the bearing size to your shaft diameter (inner diameter) and housing bore (outer diameter). For example, if your shaft is 10mm and your housing bore is 30mm, select the 6200 (10×30×9mm) variant. Always verify the width (thickness) fits your housing depth before ordering.
These plastic PP glass ball bearings are designed for light-duty applications — think 3D printer carriages, RC vehicles, spinner toys, small fans, and similar low-load uses. They are not suitable for heavy industrial machinery, high-impact loads, or applications requiring rated dynamic load capacities above light-duty thresholds.
Yes. The polypropylene race and cage resist water and mild corrosive exposure, making them a reliable choice for water pumps, outdoor equipment, and humid environments where steel bearings would corrode. Avoid prolonged exposure to strong acids, strong alkalis, or organic solvents.
Polypropylene begins to soften at elevated temperatures. These bearings are typically rated for continuous use up to approximately 80°C (176°F). Do not use in high-heat applications such as engine compartments, ovens, or near direct heat sources.
Yes. These bearings follow standard ISO 6200-series outer dimensions, so they are dimensionally compatible with housings, pillow blocks, and flanged units designed for 6200-series bearings. Always confirm the OD and width match your housing specifications before installation.
Plastic PP glass ball bearings offer three key advantages over steel: they are corrosion-resistant (no rust), non-magnetic (safe near electronics and sensors), and significantly lighter. They are the right choice when weight, corrosion, or magnetic interference is a concern — and the load requirements fall within light-duty ranges.
Select the quantity that matches your project needs. Single-piece options are ideal for prototyping or replacement. Multi-packs (5, 10, 20 pieces) offer better per-unit value for production runs, bulk repairs, or stocking spare parts. All size variants are available in quantities from 1 to 20 pieces.