SKF 7203-NR Bearing — Specifications, Dimensions & Cross-Reference
The SKF 7203-NR is a angular contact ball bearing with snap ring groove manufactured by SKF. It belongs to the 7200 series and features dimensions of 17 × 40 × 12 mm (bore × OD × width). This bearing has a dynamic load rating of 9,560 N and a static load rating of 4,750 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 17 mm |
| Outside Diameter (D) | 40 mm |
| Width (B) | 12 mm |
| Weight | 0.065 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 9,560 N |
| Static Load Rating (C₀r) | 4,750 N |
| Limiting Speed (Grease) | 18,000 rpm |
| Limiting Speed (Oil) | 22,000 rpm |
Brand Cross-Reference — 7203-NR Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 7203-NR. All share identical dimensions (17×40×12mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 7203-NR ✦ | 9,560 | 4,750 |
| Timken | Timken 7203-NR | 9,560 | 4,750 |
| SKF | SKF 7203-NR | 9,560 | 4,750 |
| NTN | NTN 7203-NR | 9,560 | 4,750 |
| KOYO | KOYO 7203-NR | 9,560 | 4,750 |
| FAG | FAG 7203-NR | 9,560 | 4,750 |
| NACHI | NACHI 7203-NR | 9,560 | 4,750 |
| Timken | Timken 7203-NR | 9,560 | 4,750 |
| NSK | NSK 7203-NR | 9,560 | 4,750 |
| NTN | NTN 7203-NR | 9,560 | 4,750 |
Available Variants
The SKF 7203 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 7203-NR?
The SKF 7203-NR has a bore diameter of 17mm, outside diameter of 40mm, and width of 12mm. It weighs 0.065kg.
What is the load capacity of the SKF 7203-NR?
The dynamic load rating (Cr) is 9,560 N and the static load rating (C₀r) is 4,750 N. The maximum recommended speed is 18,000 rpm with grease lubrication or 22,000 rpm with oil lubrication.
What bearings are equivalent to SKF 7203-NR?
The 7203-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 17×40×12mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.