NTN 6810 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6810 is a deep groove ball bearing manufactured by NTN. It belongs to the 6800 series and features dimensions of 50 × 65 × 7 mm (bore × OD × width). This bearing has a dynamic load rating of 4,030 N and a static load rating of 3,550 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 50 mm |
| Outside Diameter (D) | 65 mm |
| Width (B) | 7 mm |
| Weight | 0.040 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 4,030 N |
| Static Load Rating (C₀r) | 3,550 N |
| Limiting Speed (Grease) | 11,000 rpm |
| Limiting Speed (Oil) | 15,000 rpm |
Brand Cross-Reference — 6810 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6810. All share identical dimensions (50×65×7mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6810 ✦ | 4,030 | 3,550 |
| Timken | Timken 6810 | 4,030 | 3,550 |
| SKF | SKF 6810 | 4,030 | 3,550 |
| NACHI | NACHI 6810 | 4,030 | 3,550 |
| KOYO | KOYO 6810 | 4,030 | 3,550 |
| FAG | FAG 6810 | 4,030 | 3,550 |
| Timken | Timken 6810 | 4,030 | 3,550 |
| NSK | NSK 6810 | 4,030 | 3,550 |
| NTN | NTN 6810 | 4,030 | 3,550 |
| SKF | SKF 6810 | 4,030 | 3,550 |
Available Variants
The NTN 6810 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6810?
The NTN 6810 has a bore diameter of 50mm, outside diameter of 65mm, and width of 7mm. It weighs 0.040kg.
What is the load capacity of the NTN 6810?
The dynamic load rating (Cr) is 4,030 N and the static load rating (C₀r) is 3,550 N. The maximum recommended speed is 11,000 rpm with grease lubrication or 15,000 rpm with oil lubrication.
What bearings are equivalent to NTN 6810?
The 6810 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 50×65×7mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.