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When a seized bearing brings a motor, conveyor shaft, or pump assembly to a halt, every hour of downtime costs money. Engineers, maintenance technicians, and serious DIYers who need a direct-fit replacement — without waiting weeks for a specialty order — rely on the HRBI 6200–6210 deep groove ball bearing series to get equipment back online fast.
These deep groove ball bearings feature a single-row raceway design machined from chrome steel (GCr15), with bore diameters ranging from 10 mm (6200) to 50 mm (6210) — approximately 0.39 in to 1.97 in. Each unit is available in two shield configurations: ZZ (double-sided metal shield, non-contact) for dusty or dry environments, and RZ (single-sided metal shield) where one side requires grease access or inspection. Outer diameters range from 30 mm to 90 mm (1.18 in to 3.54 in) depending on the selected size.
Typical applications include electric motor shaft support in HVAC and industrial fans, idler rollers on conveyor lines, centrifugal pump impeller shafts, gearbox input/output shafts, and light agricultural equipment spindles — anywhere a compact, low-friction radial bearing is required under moderate axial loads.
| Series | 6200 / 6201 / 6202 / 6203 / 6204 / 6205 / 6206 / 6207 / 6208 / 6209 / 6210 |
|---|---|
| Bearing Type | Single-Row Deep Groove Ball Bearing |
| Shield Type | ZZ (double metal shield) / RZ (single metal shield) |
| Bore Diameter (d) | 10 mm – 50 mm (0.39 in – 1.97 in) — see variant options |
| Outer Diameter (D) | 30 mm – 90 mm (1.18 in – 3.54 in) — see variant options |
| Width (B) | 9 mm – 20 mm (0.35 in – 0.79 in) — see variant options |
| Material | Chrome Steel (GCr15) rings & balls; pressed-steel shield |
| Lubrication | Factory-greased (ZZ); one side open for re-lubrication (RZ) |
| Dimensional Standard | ISO 15 / ABEC-3 |
| Operating Temperature | Typically −20 °C to +120 °C (−4 °F to +248 °F) |
| Quantity per Order | See variant options |
ZZ bearings have metal shields pressed onto both sides of the outer ring, providing protection against dust and light splashing on both faces. RZ bearings have a shield on one side only, leaving the other side open — useful when the housing design requires periodic re-greasing or inspection from one side without full disassembly.
Measure the shaft diameter (bore), the housing bore (outer diameter), and the housing width. Match these three dimensions to the standard 6200-series table: for example, a 6204 bearing has a 20 mm bore, 47 mm OD, and 14 mm width. If the original bearing has a part number stamped on the outer ring, the four-digit code directly corresponds to the variant in this listing.
Yes. The precision-ground raceways and balanced steel ball complement allow operation at speeds typical of small to medium electric motors (typically up to 10,000–15,000 RPM depending on size and lubrication). For very high-speed spindle applications above those thresholds, consider ABEC-5 or higher-grade bearings and consult the load/speed ratings for your specific size.
Deep groove ball bearings can accommodate moderate axial loads in addition to radial loads — typically up to 50% of the static radial load rating as a general guideline. For applications with predominantly axial loading, angular contact or thrust bearings are a better fit. If you are unsure, contact us with your load and speed requirements.
ZZ variants are factory-greased and sealed; no additional lubrication is needed before installation in most applications. RZ variants are also pre-greased on the shielded side, but the open side allows you to add compatible grease (e.g., lithium-based NLGI 2) if your operating environment demands it or if the bearing will run at elevated temperatures.
Standard chrome steel bearings are not stainless and will corrode if exposed to water or high humidity over time. For wet environments, apply a compatible anti-corrosion grease, ensure the housing is sealed against moisture ingress, and consider replacing bearings on a scheduled maintenance cycle. For continuous water-contact applications, stainless steel bearings (e.g., 6200-series in 440C) are a more appropriate choice.
Please verify bore diameter, outer diameter, and width before ordering. If you receive an incorrect item due to a fulfillment error, contact us and we will resolve it promptly. For size selection assistance, feel free to reach out via the Contact Us page with your shaft and housing measurements.
