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When your project demands a bearing that fits into a confined bore while still providing a positive axial stop, standard deep-groove bearings fall short. Engineers, robotics builders, and hands-on makers who work with small motors, RC drivetrains, and precision jigs need a flange ball bearing that seats flush, resists contamination, and holds its tolerance run after run. These F6000–F6010 series flange ball bearings are engineered for exactly that application.
Each bearing is manufactured from bearing-grade chrome steel (GCr15 equivalent) with a full complement of precision-ground balls and a pressed-steel cage. The flange outer ring adds a locating lip that prevents axial pull-through without requiring a separate retaining clip. Available in two shield configurations — RS (rubber-contact seal, one or both sides) for dusty or lightly oiled environments, and ZZ (metal shield, both sides) for clean, dry, or high-speed applications — and in eleven size steps from F6000 (10 × 26 × 8 mm / 0.39" × 1.02" × 0.31") up to F6010 (50 × 80 × 16 mm / 1.97" × 3.15" × 0.63").
Typical use cases include 3D printer extruder idler pulleys requiring a flanged micro bearing for belt alignment, brushless motor front-end support in RC aircraft and drones where a double-shielded flange ball bearing prevents debris ingestion, and CNC router spindle pre-load assemblies where a steel micro flange bearing provides a repeatable axial datum without machined shoulders.
| Series | F6000 / F6001 / F6002 / F6003 / F6004 / F6005 / F6006 / F6007 / F6008 / F6009 / F6010 |
|---|---|
| Shield Type | RS (rubber-contact seal) or ZZ (metal shield) — select via variant |
| Inner Diameter (ID) | 10 mm – 50 mm (see variant options) |
| Outer Diameter (OD) | 26 mm – 80 mm (see variant options) |
| Thickness | 8 mm – 16 mm (see variant options) |
| Material | Chrome steel (GCr15 equivalent), through-hardened |
| Cage Type | Pressed steel |
| Lubrication | Factory-greased (RS); unlubricated / dry (ZZ) |
| Operating Temperature | Typically −20 °C to +120 °C (RS seal); −30 °C to +150 °C (ZZ shield) |
| Pack Quantity | 1 / 3 / 5 / 10 pcs — select via variant |
| Weight per Piece | See variant options |
Choose RS if your application involves dust, light moisture, or you want the grease retained for longer service intervals — the rubber-contact seal provides a tighter barrier. Choose ZZ if your application runs at higher RPM, in a clean environment, or where lower rotational drag matters more than contamination exclusion. ZZ metal shields do not contact the inner ring, so friction is slightly lower.
The F prefix indicates a flanged outer ring. The 6002 is the standard deep-groove ball bearing designation (6000-series, size 02). RS denotes a rubber-contact seal; ZZ denotes a metal shield. The dimensions listed in parentheses — e.g., 15 × 32 × 9 mm — are ID × OD × thickness.
Yes. Chrome steel (GCr15) is the standard material for precision ball bearings used in electric motors, servo drives, and spindles. The F6000-series geometry is rated for both radial and moderate axial loads. For very high axial loads or shock loading, consult the dynamic and static load ratings for your specific size before selecting.
Chrome steel bearings are not stainless and will corrode if exposed to standing water or high humidity over time. For outdoor or wet environments, the RS seal provides better grease retention and contamination exclusion than ZZ. If corrosion resistance is critical, consider stainless steel bearings (not this listing). Light moisture exposure with RS seals is generally acceptable for intermittent outdoor use.
Measure your shaft diameter (= bearing ID), your housing bore diameter (= bearing OD), and the available axial depth (= bearing thickness). Cross-reference these three dimensions against the variant table: for example, F6002 fits a 15 mm shaft in a 32 mm bore with 9 mm of axial space. Also confirm that your housing has a flange recess or counter-bore to accept the flange lip — standard F6000-series flange housings are designed for this.
Yes, provided the model number matches. F6000-series flanged bearings follow standardized ID × OD × thickness dimensions, so an F6003RS from this listing will be dimensionally interchangeable with any other manufacturer's F6003RS bearing. Always verify the shield type (RS vs ZZ) matches your original part to maintain the same lubrication and sealing characteristics.
For a single repair or one-off prototype, the 1-piece option gives you the lowest upfront cost. If you are building a small batch (e.g., 3–5 units of a machine), the 3- or 5-piece packs offer a lower per-unit price. The 10-piece pack is suited to production runs or stocking spares for ongoing maintenance — the per-piece cost is the lowest across all quantity tiers.
