N6303
The N6303 is a deep groove ball bearing with bore 17mm, outer diameter 47mm, and width 14mm rated for dynamic load 13.6 kN.
📋 Technical Specifications
| Bearing type | Deep Groove Ball Bearings |
| Series | Deep Groove Bearings with Snap-Ring Groove |
| Seal type | Open |
| Material | Confirmed per inquiry — grade and certificate availability reviewed before quotation |
| Bore type | Confirmed per drawing |
| Dimension unit | millimeter (mm) |
🔐 Model Code Breakdown
What each part of N6303 means.
| N | N = snap-ring groove in outer ring |
| 6 | 6 = Deep Groove Ball Bearing |
| 3 | 3 = dimension-series code |
| 03 | 03 = bore code; nominal bore d = 17 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 | N6303 ZZ | General dust protection | Quote → |
| Double contact rubber seals | N6303 2RS | Dust and moisture protection at moderate speed | Quote → |
| Double non-contact rubber seals | N6303 2RZ | Lower-friction sealing at higher speed | Quote → |
| C3 radial clearance | N6303 C3 (inquiry only) | Motors and applications with higher operating temperature | Quote → |
📐 Detailed Dimensions
Basic dimensions (mm)
| Bore diameter (d) | 17 |
| Outer diameter (D) | 47 |
| Width (B) | 14 |
Corner radius, shoulder dimensions, fits and tolerances are confirmed against the requested suffix and application drawing before quotation.
📑 Drawings & 3D Model
Drawings and 3D models are provided per inquiry. Tell us your application and we will send the appropriate file format (DXF, DWG, STEP, IGES).
⚡ 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 17x47x14 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 |
|---|---|---|---|---|
| 6303 | Different outer-ring feature | 6300 | Open | Quote → |
| 6303 2RS | Different outer-ring feature | 6300 | Rubber Seals | Quote → |
| 6303 2RZ | Different outer-ring feature | 6300 | Rubber Seals | Quote → |
| 6303 ZZ | Different outer-ring feature | 6300 | Metal Shields | Quote → |
| 7303 | Different outer-ring feature | 73 Series | Open | Quote → |
| N6303 2RS | Configuration variant | Deep Groove Bearings with Snap-Ring Groove | Rubber Seals | Quote → |
| N6303 2RZ | Configuration variant | Deep Groove Bearings with Snap-Ring Groove | Rubber Seals | Quote → |
| N6303 ZZ | Configuration variant | Deep Groove Bearings with Snap-Ring Groove | Metal Shields | Quote → |
⚙ 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 N6303
Send us your quantity, application and target lead time. We confirm spec, interchange and realistic delivery — no order confirmed until you approve.
Request Quote →