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When a worn or seized bearing brings your project to a halt, finding the right replacement quickly is critical. Whether you're a home repair enthusiast, a workshop technician, or a maker rebuilding power tools and small machinery, these deep groove ball bearings deliver consistent, low-friction rotation across a wide range of shaft sizes and load conditions.
Each bearing in this listing is a single-row deep groove ball bearing constructed from chrome steel (GCr15 equivalent), available in two seal configurations: 2RS (rubber contact seal) for dusty or lightly wet environments, and ZZ (metal shield) for high-speed, dry applications. Sizes span from compact 6000-series (10–35 mm bore) through 6200-series and up to 6306-series (30 mm bore), with outer diameters ranging from 26 mm to 72 mm (approximately 1.02–2.83 in) and widths from 8 mm to 19 mm (0.31–0.75 in).
Typical use cases include electric motor shaft replacement bearings, skateboard and longboard wheel bearings, 3D printer axis bearings, bicycle bottom bracket rebuilds, and small appliance repair — all scenarios where a precise, drop-in deep groove ball bearing replacement saves time and cost.
Covers 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6200, 6201, 6202, 6203, 6204, 6205, 6206, 6207, 6300, 6301, 6302, 6303, 6304, 6305, and 6306 designations — one listing for your most common metric bearing needs.
Choose 2RS (rubber) for contact-sealed protection against dust and light moisture, or ZZ (metal) for non-contact shielding suited to higher speeds and dry conditions.
Rings and balls machined from chrome steel for hardness and fatigue resistance, with a cage typically made from pressed steel or polyamide depending on size.
Available in packs of 1, 2, 5, 10, 20, or 50 pieces — order exactly what your repair or production run requires without overstocking.
Manufactured to ABEC-3 / P6 equivalent tolerance class, providing smooth, quiet operation suitable for general-purpose machinery, power tools, and hobby applications.
Factory-filled with grease (2RS) or light oil film (ZZ) for immediate installation and extended service life under normal operating conditions.
| Bearing Type | Single-row deep groove ball bearing |
|---|---|
| Series Available | 6000, 6200, 6300 series |
| Size Range (Bore) | 10 mm – 30 mm (0.39 – 1.18 in) |
| Outer Diameter Range | 26 mm – 72 mm (1.02 – 2.83 in) |
| Width Range | 8 mm – 19 mm (0.31 – 0.75 in) |
| Seal Type | 2RS (rubber contact seal) or ZZ (metal shield) |
| Material | Chrome steel (GCr15 equivalent) |
| Tolerance Class | ABEC-3 / P6 equivalent |
| Lubrication | Grease (2RS) / Light oil film (ZZ) |
| Operating Temperature | Typically –20°C to +120°C (–4°F to +248°F) |
| Quantity Options | 1, 2, 5, 10, 20, or 50 pcs (see variant options) |
| Exact Dimensions per Size | See variant options |
Locate the bearing number stamped on the side of your existing bearing (e.g., 6004, 6205, 6302). Match that number to the Size option in the dropdown above. If the number is worn off, measure the bore (inner diameter), outer diameter, and width with calipers and cross-reference the dimensions listed in each size option.
2RS bearings have rubber contact seals on both sides, providing better protection against dust and light moisture — ideal for slower-speed applications like wheels, pumps, and household appliances. ZZ bearings have metal shields that do not contact the inner ring, resulting in lower friction and suitability for higher-speed, dry environments such as electric motors and fans.
These are general-purpose deep groove ball bearings rated for moderate radial and light axial loads. They are well-suited for power tools, small motors, bicycles, skateboards, 3D printers, and similar DIY applications. For heavy industrial machinery or high-impact loads, consult the specific dynamic load rating (C) for your chosen size before installation.
These bearings are made from chrome steel, which offers good hardness and wear resistance but is not inherently stainless. The 2RS rubber seal provides additional protection against moisture ingress. For applications exposed to water, chemicals, or outdoor environments, consider stainless steel bearings (not included in this listing) or apply additional external sealing.
Yes. Deep groove ball bearings follow ISO 15 dimensional standards, meaning a 6204 bearing from any manufacturer shares the same bore (20 mm), outer diameter (47 mm), and width (14 mm). These bearings are dimensionally interchangeable with SKF, NSK, FAG, NTN, and other standard metric bearings of the same designation.
For a single repair, the 1-piece or 2-piece option is most economical. If you're servicing multiple units (e.g., both wheels on a skateboard, or all bearings in a motor), the 5- or 10-piece pack offers better per-unit value. The 20- and 50-piece packs are suited for workshop stock or small production runs.
Yes — bearings with the same bore diameter (e.g., 6000 and 6200 both have a 10 mm bore) fit the same shaft. However, their outer diameters and widths differ, so the housing must accommodate the specific outer dimensions. Always verify all three dimensions (bore × OD × width) before ordering.
