NTN 6415 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6415 is a deep groove ball bearing manufactured by NTN. It belongs to the 6400 series and features dimensions of 75 × 190 × 45 mm (bore × OD × width). This bearing has a dynamic load rating of 163,000 N and a static load rating of 104,000 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 75 mm |
| Outside Diameter (D) | 190 mm |
| Width (B) | 45 mm |
| Weight | 4.95 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 163,000 N |
| Static Load Rating (C₀r) | 104,000 N |
| Limiting Speed (Grease) | 3,400 rpm |
| Limiting Speed (Oil) | 4,300 rpm |
Brand Cross-Reference — 6415 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6415. All share identical dimensions (75×190×45mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6415 ✦ | 163,000 | 104,000 |
| Timken | Timken 6415 | 163,000 | 104,000 |
| SKF | SKF 6415 | 163,000 | 104,000 |
| NTN | NTN 6415 | 163,000 | 104,000 |
| NACHI | NACHI 6415 | 163,000 | 104,000 |
| KOYO | KOYO 6415 | 163,000 | 104,000 |
| FAG | FAG 6415 | 163,000 | 104,000 |
| Timken | Timken 6415 | 163,000 | 104,000 |
| NSK | NSK 6415 | 163,000 | 104,000 |
| SKF | SKF 6415 | 163,000 | 104,000 |
Available Variants
The NTN 6415 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6415?
The NTN 6415 has a bore diameter of 75mm, outside diameter of 190mm, and width of 45mm. It weighs 4.95kg.
What is the load capacity of the NTN 6415?
The dynamic load rating (Cr) is 163,000 N and the static load rating (C₀r) is 104,000 N. The maximum recommended speed is 3,400 rpm with grease lubrication or 4,300 rpm with oil lubrication.
What bearings are equivalent to NTN 6415?
The 6415 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 75×190×45mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.