KOYO 1208-2RS Bearing — Specifications, Dimensions & Cross-Reference
The KOYO 1208-2RS is a self-aligning ball bearing double rubber sealed manufactured by KOYO. 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 — 1208-2RS Equivalents
The following bearings from other manufacturers are interchangeable with the KOYO 1208-2RS. All share identical dimensions (40×80×18mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| KOYO | KOYO 1208-2RS ✦ | 19,000 | 7,500 |
| Timken | Timken 1208-2RS | 19,000 | 7,500 |
| SKF | SKF 1208-2RS | 19,000 | 7,500 |
| NACHI | NACHI 1208-2RS | 19,000 | 7,500 |
| Timken | Timken 1208-2RS | 19,000 | 7,500 |
| FAG | FAG 1208-2RS | 19,000 | 7,500 |
| NSK | NSK 1208-2RS | 19,000 | 7,500 |
| NTN | NTN 1208-2RS | 19,000 | 7,500 |
| SKF | SKF 1208-2RS | 19,000 | 7,500 |
Available Variants
The KOYO 1208 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the KOYO 1208-2RS?
The KOYO 1208-2RS 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 KOYO 1208-2RS?
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 KOYO 1208-2RS?
The 1208-2RS 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.