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When a worn or noisy bearing brings your equipment to a halt, finding the right replacement quickly is critical. Whether you are a maintenance technician, a DIY builder, or a small-shop machinist, sourcing the correct deep groove ball bearing in the right seal type and size should not require multiple suppliers or long lead times.
This listing covers 77 size options across the 6000, 6200, and 6300 series deep groove ball bearings, available in two seal configurations — 2RS (double rubber-sealed) and ZZ (double steel-shielded). Inner diameters range from 10 mm (0.39 in) to 100 mm (3.94 in), with outer diameters from 26 mm (1.02 in) to 215 mm (8.46 in) depending on the series and size selected. Each bearing features a single-row, open-raceway design with a full complement of steel balls and a pressed-steel or polyamide cage.
These deep groove ball bearings are widely used in electric motors, power tools, conveyor rollers, skateboard and inline skate wheels, agricultural equipment, and light industrial machinery. The 2RS seal type is preferred for wet or dusty environments where grease retention is critical, while the ZZ steel shield suits higher-speed, lower-contamination applications such as fans and pumps.
| Bearing Series | 6000, 6200, 6300 |
|---|---|
| Size Range | 6000–6019, 6200–6206, 6300–6320 (77 sizes total) |
| Seal Type | 2RS (double rubber seal) / ZZ (double steel shield) |
| Bore Diameter (ID) | 10–100 mm (0.39–3.94 in) — See variant options |
| Outer Diameter (OD) | 26–215 mm (1.02–8.46 in) — See variant options |
| Bearing Width | See variant options |
| Bearing Type | Single-row deep groove ball bearing |
| Dimensional Standard | ISO 15 / ABMA |
| Lubrication | Pre-greased (general-purpose grease) |
| Operating Temperature | Typically −20 °C to +110 °C (−4 °F to +230 °F) |
| Material — Rings & Balls | Chromium steel (GCr15 equivalent) |
| Cage Material | Pressed steel or polyamide (varies by size) |
| Pack Quantity | 1 or 5 pieces — See variant options |
Measure the shaft diameter (bore), the housing bore (outer diameter), and the available axial space (width) using a caliper. Match these three dimensions to the bearing designation in the variant list. For example, a 6205 bearing has a 25 mm bore, 52 mm outer diameter, and 15 mm width. If the original bearing is still accessible, the designation is usually stamped on the outer ring.
2RS bearings use double rubber contact seals that physically touch the inner ring, providing excellent grease retention and contamination exclusion — ideal for dusty, wet, or food-adjacent environments. ZZ bearings use non-contact steel shields that sit close to but do not touch the inner ring, resulting in lower friction and slightly higher speed capability, making them better suited for fans, pumps, and clean-room equipment where contamination risk is low.
Yes. The 6000, 6200, and 6300 series designations follow ISO 15 and ABMA dimensional standards, meaning a 6204-2RS from this listing will have the same bore, outer diameter, and width as a 6204-2RS from any other ISO-compliant manufacturer. Interchangeability applies to physical dimensions; internal clearance grade and precision class may vary between suppliers.
Deep groove ball bearings are primarily designed for radial loads but can also carry moderate axial (thrust) loads in both directions. The 6300 series has a larger cross-section than the 6000 or 6200 series of the same bore size, giving it a higher dynamic load rating. For heavy axial loads or combined loading, consider pairing with a thrust bearing or selecting an angular contact bearing instead. Specific dynamic and static load ratings depend on the size selected — contact us to confirm for your application.
Common signs of bearing failure include audible grinding, clicking, or rumbling noise during rotation; excessive heat at the bearing location; visible pitting, spalling, or discoloration on the races or balls; and increased vibration or play in the shaft. If any of these symptoms are present, replace the bearing promptly to avoid secondary damage to the shaft or housing.
The 2RS seal variant is suitable for moderately wet or humid environments because the rubber contact seal retains grease and resists water ingress under normal splash conditions. For continuous immersion or high-pressure washdown environments, a bearing with a dedicated stainless-steel construction or additional sealing (such as a labyrinth seal) would be more appropriate. The ZZ steel-shield variant is not recommended for wet environments as the non-contact shield does not prevent water entry.
For most sizes, a bearing press or a correctly sized installation sleeve is recommended to apply force evenly to the bearing ring being pressed — never strike the bearing directly with a hammer, as this can damage the balls and races. For smaller sizes (6000–6004 range), a bench vise with protective jaws can work in a pinch. Always press on the ring that is receiving the interference fit: press on the inner ring when fitting to a shaft, and on the outer ring when fitting into a housing.
🛒 Select your size, seal type, and pack quantity above, then add to cart.
