5203
The 5203 is a double-row angular contact ball bearing with bore 17mm, outer diameter 40mm, and width 17.5mm rated for dynamic load 13.5 kN.
📋 Technical Specifications
| Bearing type | Double-Row Angular Contact Ball Bearings |
| Series | 5200 Series |
| Seal type | Confirm per inquiry |
| Material | Confirmed per inquiry — grade and certificate availability reviewed before quotation |
| Bore type | Confirmed per drawing |
| Dimension unit | millimeter (mm) |
📋 Nominal Variants by Seal Type
Catalog variants open a detail page. Inquiry-only configurations go directly to RFQ.
| Seal Type | Model Code | Typical Use | |
|---|---|---|---|
| Double metal shields | 5203 ZZ (inquiry only) | General dust protection | Quote → |
| Double contact rubber seals | 5203 2RS (inquiry only) | Dust and moisture protection at moderate speed | Quote → |
| Double non-contact rubber seals | 5203 2RZ (inquiry only) | Lower-friction sealing at higher speed | Quote → |
| C3 radial clearance | 5203 C3 (inquiry only) | Motors and applications with higher operating temperature | Quote → |
📐 Detailed Dimensions
Basic dimensions (mm)
| Bore diameter (d) | 17 |
| Outer diameter (D) | 40 |
| Width (B) | 17.5 |
Corner radius, shoulder dimensions, fits and tolerances are confirmed against the requested suffix and application drawing before quotation.
Review this specification before ordering
Catalogue and drawing
The table and PDF drawing describe the nominal catalogue specification for this designation. They are not a measurement report for the delivery batch. Confirm mounting dimensions, tolerances and inspection requirements against the agreed drawing.
Configuration review
Check the closure against the complete designation, then confirm material, cage, lubrication, clearance and inspection conditions. Availability of the requested configuration is reviewed before quotation.
Enquiry inputs
Provide the complete designation, quantity, application, operating conditions and mating fits. For a replacement, add photos of both faces and the mounting position, and state whether a drawing or sample is available.
📑 Drawings & 3D Model
The PDF drawing is free to download. DXF and 3D STEP files are sent on request: tell us the model and your application, and we reply with the CAD files.
⚡ Source-Data Reference Speed
Lubrication method and application speed limit are confirmed per inquiry; no oil-speed value is derived from this number.
⇄ Same-size Bearings & Reference Options
The models below share the 17x40x17.5 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 |
|---|---|---|---|---|
| 3203 | Same boundary dimensions — verify fit/load | 3200/5200 | Open | Quote → |
| 3203 / 5203 | Same boundary dimensions — verify fit/load | 3200/5200 | Open | Quote → |
🔄 Related Models
Same bearing family or similar dimensions.
Same model family — dimensions may differSimilar size — reference only, verify all interfaces⚙ Typical Applications
Why choose NLHB?
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 →❓ Frequently Asked Questions
Get a quote for 5203
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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