NTN 6813 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6813 is a deep groove ball bearing manufactured by NTN. It belongs to the 6800 series and features dimensions of 65 × 85 × 10 mm (bore × OD × width). This bearing has a dynamic load rating of 6,550 N and a static load rating of 5,850 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 65 mm |
| Outside Diameter (D) | 85 mm |
| Width (B) | 10 mm |
| Weight | 0.087 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 6,550 N |
| Static Load Rating (C₀r) | 5,850 N |
| Limiting Speed (Grease) | 7,500 rpm |
| Limiting Speed (Oil) | 10,000 rpm |
Brand Cross-Reference — 6813 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6813. All share identical dimensions (65×85×10mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6813 ✦ | 6,550 | 5,850 |
| Timken | Timken 6813 | 6,550 | 5,850 |
| SKF | SKF 6813 | 6,550 | 5,850 |
| NACHI | NACHI 6813 | 6,550 | 5,850 |
| KOYO | KOYO 6813 | 6,550 | 5,850 |
| FAG | FAG 6813 | 6,550 | 5,850 |
| Timken | Timken 6813 | 6,550 | 5,850 |
| NSK | NSK 6813 | 6,550 | 5,850 |
| NTN | NTN 6813 | 6,550 | 5,850 |
| SKF | SKF 6813 | 6,550 | 5,850 |
Available Variants
The NTN 6813 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6813?
The NTN 6813 has a bore diameter of 65mm, outside diameter of 85mm, and width of 10mm. It weighs 0.087kg.
What is the load capacity of the NTN 6813?
The dynamic load rating (Cr) is 6,550 N and the static load rating (C₀r) is 5,850 N. The maximum recommended speed is 7,500 rpm with grease lubrication or 10,000 rpm with oil lubrication.
What bearings are equivalent to NTN 6813?
The 6813 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 65×85×10mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.