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When a shaft wobbles, a motor runs hot, or a conveyor starts grinding, the culprit is almost always a worn bearing. Engineers, maintenance technicians, and serious DIYers who need a direct-fit replacement for deep groove ball bearings in the 6200 series know that getting the seal type and bore size right the first time saves hours of rework.
These deep groove ball bearings are available in two seal configurations — ZZ (metal shield, both sides) and 2RS (rubber contact seal, both sides) — across nine standard sizes from 6200 to 6208. Bore diameters range from 10 mm (0.394 in) to 40 mm (1.575 in), outer diameters from 30 mm (1.181 in) to 80 mm (3.150 in), and widths from 9 mm (0.354 in) to 18 mm (0.709 in). The rolling elements are steel balls running in a pressed-steel or stamped cage, with chrome-steel (GCr15-equivalent) raceways for consistent load distribution.
Typical applications include single-phase and three-phase electric motors, centrifugal pumps, small gearboxes, conveyor rollers, agricultural equipment spindles, and power-tool arbors — anywhere a compact radial bearing with moderate axial capacity is required. The 2RS variant is the go-to choice for deep groove ball bearings in wet or dusty environments, while the ZZ variant suits higher-speed, lower-contamination applications.
Choose ZZ (metal shield) for lower drag and higher speed ratings, or 2RS (rubber lip seal) for superior exclusion of moisture and fine particulates — both available across all nine size designations.
Covers 6200 through 6208: bore diameters 10, 12, 15, 17, 20, 25, 30, 35, and 40 mm — matching the most common shaft sizes found in motors, pumps, and light industrial machinery.
Inner and outer rings are manufactured from through-hardened chrome steel (GCr15-equivalent), providing consistent Rockwell hardness and fatigue resistance under continuous radial loading.
Each bearing is factory-packed with lithium-based grease and sealed on both sides, eliminating the need for initial lubrication and reducing installation time.
Available in 1-piece, 4-piece, and 10-piece packs — order a single unit for a one-off repair or a bulk pack for scheduled maintenance stock without overpaying for unnecessary quantity.
Envelope dimensions conform to ISO 15 standards, ensuring interchangeability with bearings from other manufacturers carrying the same designation (e.g., 6204ZZ, 6205-2RS).
| Bearing Series | 6200 series (6200, 6201, 6202, 6203, 6204, 6205, 6206, 6207, 6208) |
|---|---|
| Seal Type | ZZ (metal shield, non-contact) / 2RS (rubber lip seal, contact) |
| Bore Diameter (d) | 10 mm – 40 mm (0.394 in – 1.575 in) — see variant options |
| Outer Diameter (D) | 30 mm – 80 mm (1.181 in – 3.150 in) — see variant options |
| Width (B) | 9 mm – 18 mm (0.354 in – 0.709 in) — see variant options |
| Raceway Material | Chrome steel (GCr15-equivalent), through-hardened |
| Cage Type | Pressed steel (stamped) |
| Lubrication | Factory-filled lithium-based grease |
| Dimensional Standard | ISO 15 / ABEC-3 |
| Bearing Type | Single-row deep groove ball bearing |
| Available Pack Sizes | 1 Pcs / 4 Pcs / 10 Pcs |
| Operating Temperature | Typically −20 °C to +120 °C (2RS); −20 °C to +150 °C (ZZ) |
ZZ bearings use a pressed-steel shield on each side. The shield does not contact the inner ring, so friction and heat generation are lower — making ZZ the better choice for higher-speed applications in relatively clean environments. 2RS bearings use a rubber lip that contacts the inner ring, creating a tighter seal against moisture and dust. Choose 2RS for pumps, outdoor equipment, or any application where contamination is a concern.
Measure three dimensions on your existing bearing or housing: bore diameter (d) — the inner hole; outer diameter (D) — the outside of the ring; and width (B) — the thickness. Match these to the variant dimensions listed (e.g., 6204ZZ = d 20 mm, D 47 mm, B 14 mm). If you only have the shaft diameter, that equals the bore size.
Yes, every bearing in this listing is factory-filled with lithium-based grease and sealed on both sides. No additional lubrication is required before installation. For ZZ variants in high-temperature or high-speed applications, you may choose to supplement with a compatible grease through the shield gap after extended service intervals.
The 2RS (rubber seal) variants offer significantly better moisture exclusion than ZZ shields and are suitable for damp or lightly wet conditions. For continuous immersion or aggressive washdown with pressurized water, consider stainless-steel or ceramic-hybrid bearings instead. The ZZ variants are not recommended for wet environments.
Yes. The 6200-series designation follows ISO 15 dimensional standards, so a 6205ZZ from this listing will have the same d/D/B envelope as a 6205ZZ from any other ISO-compliant manufacturer. Always verify the three key dimensions (bore, OD, width) before assuming interchangeability, as some manufacturers add non-standard internal modifications.
Single-row deep groove ball bearings are primarily designed for radial loads but can also handle moderate axial (thrust) loads in both directions. They are not suitable for heavy axial-only applications — for those, angular contact or thrust bearings are more appropriate. Specific dynamic and static load ratings vary by size; contact us if you need exact C and C₀ values for your load calculation.
For a single repair, the 1-piece option is the most cost-effective. If you maintain multiple machines with the same bearing size, the 10-piece pack offers a lower per-unit cost and ensures you have spares on hand for unplanned failures. The 4-piece pack suits applications where bearings are replaced in pairs (e.g., both ends of a motor shaft) with one spare set kept in stock.
