The 633 2rs is a deep groove ball bearing with bore 3mm, outer diameter 13mm, and width 5mm rated for dynamic load 4.9 kN.
| Bearing type | Deep Groove Ball Bearings |
| Series | Metric Miniature Series |
| Seal type | Sealed |
| Material | Confirmed per inquiry — grade and certificate availability reviewed before quotation |
| Bore type | Confirmed per drawing |
| Dimension unit | millimeter (mm) |
Catalog variants open a detail page. Inquiry-only configurations go directly to RFQ.
| Seal Type | Model Code | Typical Use | |
|---|---|---|---|
| Open | 633 | High speed in clean environments | Quote → |
| Double metal shields | 633 ZZ | General dust protection | Quote → |
| Double contact rubber seals | 633 2RS (inquiry only) | Dust and moisture protection at moderate speed | Quote → |
| Double non-contact rubber seals | 633 2RZ (inquiry only) | Lower-friction sealing at higher speed | Quote → |
| C3 radial clearance | 633 C3 (inquiry only) | Motors and applications with higher operating temperature | Quote → |
| Bore diameter (d) | 3 |
| Outer diameter (D) | 13 |
| Width (B) | 5 |
Corner radius, shoulder dimensions, fits and tolerances are confirmed against the requested suffix and application drawing before quotation.
Drawings and 3D models are provided per inquiry. Tell us your application and we will send the appropriate file format (DXF, DWG, STEP, IGES).
Lubrication method and application speed limit are confirmed per inquiry; no oil-speed value is derived from this number.
The models below share the 3x13x5 mm boundary dimensions. Matching d/D/B alone does not prove interchangeability; verify seals, clearance, ring features, load ratings, fits, and application conditions before replacement.
| Model | Relationship | Series | Seal | Action |
|---|---|---|---|---|
| 633 | Configuration variant | 6300 | Open | Quote → |
| 633 ZZ | Configuration variant | Extra Small / Miniature Deep Groove Ball Bearing | Metal Shields | Quote → |
| 633zz | Configuration variant | Metric Miniature Series | Shielded | Quote → |
| 633ZZ1 | Same boundary dimensions — verify fit/load | 6300 | Metal Shields | Quote → |
| F633 | Different outer-ring feature | Standard Flanged Bearings | Open | Quote → |
| F633 ZZ | Different outer-ring feature | Extra Small / Miniature Deep Groove Ball Bearing With Flange | Metal Shields | Quote → |
| F633ZZ | Different outer-ring feature | Standard Flanged Bearings | Metal Shields | Quote → |
NLHB supports both in-house manufacturing and qualified partner sourcing. We confirm the specification, supply route, inspection requirements, and available documentation before quotation.
About NLHB →Send us your quantity, application and target lead time. We confirm spec, interchange and realistic delivery — no order confirmed until you approve.
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