NTN 6314 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6314 is a deep groove ball bearing manufactured by NTN. It belongs to the 6300 series and features dimensions of 70 × 150 × 35 mm (bore × OD × width). This bearing has a dynamic load rating of 104,000 N and a static load rating of 68,000 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 70 mm |
| Outside Diameter (D) | 150 mm |
| Width (B) | 35 mm |
| Weight | 2.440 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 104,000 N |
| Static Load Rating (C₀r) | 68,000 N |
| Limiting Speed (Grease) | 4,500 rpm |
| Limiting Speed (Oil) | 5,300 rpm |
Brand Cross-Reference — 6314 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6314. All share identical dimensions (70×150×35mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6314 ✦ | 104,000 | 68,000 |
| Timken | Timken 6314 | 104,000 | 68,000 |
| SKF | SKF 6314 | 104,000 | 68,000 |
| NTN | NTN 6314 | 104,000 | 68,000 |
| NACHI | NACHI 6314 | 104,000 | 68,000 |
| KOYO | KOYO 6314 | 104,000 | 68,000 |
| FAG | FAG 6314 | 104,000 | 68,000 |
| Timken | Timken 6314 | 104,000 | 68,000 |
| NSK | NSK 6314 | 104,000 | 68,000 |
| SKF | SKF 6314 | 104,000 | 68,000 |
Available Variants
The NTN 6314 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6314?
The NTN 6314 has a bore diameter of 70mm, outside diameter of 150mm, and width of 35mm. It weighs 2.440kg.
What is the load capacity of the NTN 6314?
The dynamic load rating (Cr) is 104,000 N and the static load rating (C₀r) is 68,000 N. The maximum recommended speed is 4,500 rpm with grease lubrication or 5,300 rpm with oil lubrication.
What bearings are equivalent to NTN 6314?
The 6314 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 70×150×35mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.