Timken 6808-NR Bearing — Specifications, Dimensions & Cross-Reference
The Timken 6808-NR is a deep groove ball bearing with snap ring groove manufactured by Timken. It belongs to the 6800 series and features dimensions of 40 × 52 × 7 mm (bore × OD × width). This bearing has a dynamic load rating of 3,280 N and a static load rating of 2,600 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 40 mm |
| Outside Diameter (D) | 52 mm |
| Width (B) | 7 mm |
| Weight | 0.028 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 3,280 N |
| Static Load Rating (C₀r) | 2,600 N |
| Limiting Speed (Grease) | 13,000 rpm |
| Limiting Speed (Oil) | 18,000 rpm |
Brand Cross-Reference — 6808-NR Equivalents
The following bearings from other manufacturers are interchangeable with the Timken 6808-NR. All share identical dimensions (40×52×7mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| Timken | Timken 6808-NR ✦ | 3,280 | 2,600 |
| Timken | Timken 6808-NR | 3,280 | 2,600 |
| SKF | SKF 6808-NR | 3,280 | 2,600 |
| NTN | NTN 6808-NR | 3,280 | 2,600 |
| NACHI | NACHI 6808-NR | 3,280 | 2,600 |
| KOYO | KOYO 6808-NR | 3,280 | 2,600 |
| FAG | FAG 6808-NR | 3,280 | 2,600 |
| NSK | NSK 6808-NR | 3,280 | 2,600 |
| NTN | NTN 6808-NR | 3,280 | 2,600 |
| SKF | SKF 6808-NR | 3,280 | 2,600 |
Available Variants
The Timken 6808 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the Timken 6808-NR?
The Timken 6808-NR has a bore diameter of 40mm, outside diameter of 52mm, and width of 7mm. It weighs 0.028kg.
What is the load capacity of the Timken 6808-NR?
The dynamic load rating (Cr) is 3,280 N and the static load rating (C₀r) is 2,600 N. The maximum recommended speed is 13,000 rpm with grease lubrication or 18,000 rpm with oil lubrication.
What bearings are equivalent to Timken 6808-NR?
The 6808-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×52×7mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.