Timken 7304 Bearing — Specifications, Dimensions & Cross-Reference
The Timken 7304 is a angular contact ball bearing manufactured by Timken. It belongs to the 7300 series and features dimensions of 20 × 52 × 15 mm (bore × OD × width). This bearing has a dynamic load rating of 15,900 N and a static load rating of 7,800 N, making it suitable for medium-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 20 mm |
| Outside Diameter (D) | 52 mm |
| Width (B) | 15 mm |
| Weight | 0.138 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 15,900 N |
| Static Load Rating (C₀r) | 7,800 N |
| Limiting Speed (Grease) | 13,000 rpm |
| Limiting Speed (Oil) | 16,000 rpm |
Brand Cross-Reference — 7304 Equivalents
The following bearings from other manufacturers are interchangeable with the Timken 7304. All share identical dimensions (20×52×15mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| Timken | Timken 7304 ✦ | 15,900 | 7,800 |
| SKF | SKF 7304 | 15,900 | 7,800 |
| NTN | NTN 7304 | 15,900 | 7,800 |
| KOYO | KOYO 7304 | 15,900 | 7,800 |
| FAG | FAG 7304 | 15,900 | 7,800 |
| NACHI | NACHI 7304 | 15,900 | 7,800 |
| NSK | NSK 7304 | 15,900 | 7,800 |
| NTN | NTN 7304 | 15,900 | 7,800 |
| SKF | SKF 7304 | 15,900 | 7,800 |
Available Variants
The Timken 7304 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the Timken 7304?
The Timken 7304 has a bore diameter of 20mm, outside diameter of 52mm, and width of 15mm. It weighs 0.138kg.
What is the load capacity of the Timken 7304?
The dynamic load rating (Cr) is 15,900 N and the static load rating (C₀r) is 7,800 N. The maximum recommended speed is 13,000 rpm with grease lubrication or 16,000 rpm with oil lubrication.
What bearings are equivalent to Timken 7304?
The 7304 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 20×52×15mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.