Timken 6909 Bearing — Specifications, Dimensions & Cross-Reference
The Timken 6909 is a deep groove ball bearing manufactured by Timken. It belongs to the 6900 series and features dimensions of 45 × 68 × 12 mm (bore × OD × width). This bearing has a dynamic load rating of 11,200 N and a static load rating of 8,150 N, making it suitable for medium-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 45 mm |
| Outside Diameter (D) | 68 mm |
| Width (B) | 12 mm |
| Weight | 0.097 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 11,200 N |
| Static Load Rating (C₀r) | 8,150 N |
| Limiting Speed (Grease) | 9,500 rpm |
| Limiting Speed (Oil) | 13,000 rpm |
Brand Cross-Reference — 6909 Equivalents
The following bearings from other manufacturers are interchangeable with the Timken 6909. All share identical dimensions (45×68×12mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| Timken | Timken 6909 ✦ | 11,200 | 8,150 |
| NTN | NTN 6909 | 11,200 | 8,150 |
| KOYO | KOYO 6909 | 11,200 | 8,150 |
| FAG | FAG 6909 | 11,200 | 8,150 |
| NACHI | NACHI 6909 | 11,200 | 8,150 |
| NTN | NTN 6909 | 11,200 | 8,150 |
| NSK | NSK 6909 | 11,200 | 8,150 |
| SKF | SKF 6909 | 11,200 | 8,150 |
Available Variants
The Timken 6909 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the Timken 6909?
The Timken 6909 has a bore diameter of 45mm, outside diameter of 68mm, and width of 12mm. It weighs 0.097kg.
What is the load capacity of the Timken 6909?
The dynamic load rating (Cr) is 11,200 N and the static load rating (C₀r) is 8,150 N. The maximum recommended speed is 9,500 rpm with grease lubrication or 13,000 rpm with oil lubrication.
What bearings are equivalent to Timken 6909?
The 6909 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 45×68×12mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.