NTN 6915-NR Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6915-NR is a deep groove ball bearing with snap ring groove manufactured by NTN. It belongs to the 6900 series and features dimensions of 75 × 105 × 16 mm (bore × OD × width). This bearing has a dynamic load rating of 21,600 N and a static load rating of 18,600 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 75 mm |
| Outside Diameter (D) | 105 mm |
| Width (B) | 16 mm |
| Weight | 0.240 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 21,600 N |
| Static Load Rating (C₀r) | 18,600 N |
| Limiting Speed (Grease) | 6,000 rpm |
| Limiting Speed (Oil) | 8,000 rpm |
Brand Cross-Reference — 6915-NR Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6915-NR. All share identical dimensions (75×105×16mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6915-NR ✦ | 21,600 | 18,600 |
| Timken | Timken 6915-NR | 21,600 | 18,600 |
| SKF | SKF 6915-NR | 21,600 | 18,600 |
| KOYO | KOYO 6915-NR | 21,600 | 18,600 |
| FAG | FAG 6915-NR | 21,600 | 18,600 |
| NACHI | NACHI 6915-NR | 21,600 | 18,600 |
| Timken | Timken 6915-NR | 21,600 | 18,600 |
| NSK | NSK 6915-NR | 21,600 | 18,600 |
| NTN | NTN 6915-NR | 21,600 | 18,600 |
| SKF | SKF 6915-NR | 21,600 | 18,600 |
Available Variants
The NTN 6915 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6915-NR?
The NTN 6915-NR has a bore diameter of 75mm, outside diameter of 105mm, and width of 16mm. It weighs 0.240kg.
What is the load capacity of the NTN 6915-NR?
The dynamic load rating (Cr) is 21,600 N and the static load rating (C₀r) is 18,600 N. The maximum recommended speed is 6,000 rpm with grease lubrication or 8,000 rpm with oil lubrication.
What bearings are equivalent to NTN 6915-NR?
The 6915-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 75×105×16mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.