NTN 6414 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6414 is a deep groove ball bearing manufactured by NTN. It belongs to the 6400 series and features dimensions of 70 × 180 × 42 mm (bore × OD × width). This bearing has a dynamic load rating of 143,000 N and a static load rating of 90,000 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 70 mm |
| Outside Diameter (D) | 180 mm |
| Width (B) | 42 mm |
| Weight | 4.2 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 143,000 N |
| Static Load Rating (C₀r) | 90,000 N |
| Limiting Speed (Grease) | 3,600 rpm |
| Limiting Speed (Oil) | 4,500 rpm |
Brand Cross-Reference — 6414 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6414. All share identical dimensions (70×180×42mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6414 ✦ | 143,000 | 90,000 |
| Timken | Timken 6414 | 143,000 | 90,000 |
| SKF | SKF 6414 | 143,000 | 90,000 |
| NTN | NTN 6414 | 143,000 | 90,000 |
| NACHI | NACHI 6414 | 143,000 | 90,000 |
| KOYO | KOYO 6414 | 143,000 | 90,000 |
| FAG | FAG 6414 | 143,000 | 90,000 |
| Timken | Timken 6414 | 143,000 | 90,000 |
| NSK | NSK 6414 | 143,000 | 90,000 |
| SKF | SKF 6414 | 143,000 | 90,000 |
Available Variants
The NTN 6414 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6414?
The NTN 6414 has a bore diameter of 70mm, outside diameter of 180mm, and width of 42mm. It weighs 4.2kg.
What is the load capacity of the NTN 6414?
The dynamic load rating (Cr) is 143,000 N and the static load rating (C₀r) is 90,000 N. The maximum recommended speed is 3,600 rpm with grease lubrication or 4,500 rpm with oil lubrication.
What bearings are equivalent to NTN 6414?
The 6414 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 70×180×42mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.