SKF 6218 Bearing — Specifications, Dimensions & Cross-Reference
The SKF 6218 is a deep groove ball bearing manufactured by SKF. It belongs to the 6200 series and features dimensions of 90 × 160 × 30 mm (bore × OD × width). This bearing has a dynamic load rating of 95,600 N and a static load rating of 73,500 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 90 mm |
| Outside Diameter (D) | 160 mm |
| Width (B) | 30 mm |
| Weight | 1.800 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 95,600 N |
| Static Load Rating (C₀r) | 73,500 N |
| Limiting Speed (Grease) | 3,400 rpm |
| Limiting Speed (Oil) | 4,300 rpm |
Brand Cross-Reference — 6218 Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 6218. All share identical dimensions (90×160×30mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 6218 ✦ | 95,600 | 73,500 |
| NACHI | NACHI 6218 | 95,600 | 73,500 |
| KOYO | KOYO 6218 | 95,600 | 73,500 |
| Timken | Timken 6218 | 95,600 | 73,500 |
| FAG | FAG 6218 | 95,600 | 73,500 |
| NSK | NSK 6218 | 95,600 | 73,500 |
| NTN | NTN 6218 | 95,600 | 73,500 |
Available Variants
The SKF 6218 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 6218?
The SKF 6218 has a bore diameter of 90mm, outside diameter of 160mm, and width of 30mm. It weighs 1.800kg.
What is the load capacity of the SKF 6218?
The dynamic load rating (Cr) is 95,600 N and the static load rating (C₀r) is 73,500 N. The maximum recommended speed is 3,400 rpm with grease lubrication or 4,300 rpm with oil lubrication.
What bearings are equivalent to SKF 6218?
The 6218 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 90×160×30mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.