Timken 6018-NR Bearing — Specifications, Dimensions & Cross-Reference
The Timken 6018-NR is a deep groove ball bearing with snap ring groove manufactured by Timken. It belongs to the 6000 series and features dimensions of 90 × 140 × 24 mm (bore × OD × width). This bearing has a dynamic load rating of 45,500 N and a static load rating of 40,500 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 90 mm |
| Outside Diameter (D) | 140 mm |
| Width (B) | 24 mm |
| Weight | 0.920 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 45,500 N |
| Static Load Rating (C₀r) | 40,500 N |
| Limiting Speed (Grease) | 4,300 rpm |
| Limiting Speed (Oil) | 5,000 rpm |
Brand Cross-Reference — 6018-NR Equivalents
The following bearings from other manufacturers are interchangeable with the Timken 6018-NR. All share identical dimensions (90×140×24mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| Timken | Timken 6018-NR ✦ | 45,500 | 40,500 |
| Timken | Timken 6018-NR | 45,500 | 40,500 |
| SKF | SKF 6018-NR | 45,500 | 40,500 |
| NACHI | NACHI 6018-NR | 45,500 | 40,500 |
| KOYO | KOYO 6018-NR | 45,500 | 40,500 |
| FAG | FAG 6018-NR | 45,500 | 40,500 |
| NSK | NSK 6018-NR | 45,500 | 40,500 |
| NTN | NTN 6018-NR | 45,500 | 40,500 |
| SKF | SKF 6018-NR | 45,500 | 40,500 |
Available Variants
The Timken 6018 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the Timken 6018-NR?
The Timken 6018-NR has a bore diameter of 90mm, outside diameter of 140mm, and width of 24mm. It weighs 0.920kg.
What is the load capacity of the Timken 6018-NR?
The dynamic load rating (Cr) is 45,500 N and the static load rating (C₀r) is 40,500 N. The maximum recommended speed is 4,300 rpm with grease lubrication or 5,000 rpm with oil lubrication.
What bearings are equivalent to Timken 6018-NR?
The 6018-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 90×140×24mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.