NACHI 1208 Bearing — Specifications, Dimensions & Cross-Reference
The NACHI 1208 is a self-aligning ball bearing manufactured by NACHI. It belongs to the 1200 series and features dimensions of 40 × 80 × 18 mm (bore × OD × width). This bearing has a dynamic load rating of 19,000 N and a static load rating of 7,500 N, making it suitable for medium-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 40 mm |
| Outside Diameter (D) | 80 mm |
| Width (B) | 18 mm |
| Weight | 0.340 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 19,000 N |
| Static Load Rating (C₀r) | 7,500 N |
| Limiting Speed (Grease) | 8,000 rpm |
| Limiting Speed (Oil) | 10,000 rpm |
Brand Cross-Reference — 1208 Equivalents
The following bearings from other manufacturers are interchangeable with the NACHI 1208. All share identical dimensions (40×80×18mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NACHI | NACHI 1208 ✦ | 19,000 | 7,500 |
| Timken | Timken 1208 | 19,000 | 7,500 |
| SKF | SKF 1208 | 19,000 | 7,500 |
| KOYO | KOYO 1208 | 19,000 | 7,500 |
| Timken | Timken 1208 | 19,000 | 7,500 |
| FAG | FAG 1208 | 19,000 | 7,500 |
| NSK | NSK 1208 | 19,000 | 7,500 |
| NTN | NTN 1208 | 19,000 | 7,500 |
| SKF | SKF 1208 | 19,000 | 7,500 |
Available Variants
The NACHI 1208 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NACHI 1208?
The NACHI 1208 has a bore diameter of 40mm, outside diameter of 80mm, and width of 18mm. It weighs 0.340kg.
What is the load capacity of the NACHI 1208?
The dynamic load rating (Cr) is 19,000 N and the static load rating (C₀r) is 7,500 N. The maximum recommended speed is 8,000 rpm with grease lubrication or 10,000 rpm with oil lubrication.
What bearings are equivalent to NACHI 1208?
The 1208 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×80×18mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.