KOYO 1205 Bearing — Specifications, Dimensions & Cross-Reference
The KOYO 1205 is a self-aligning ball bearing manufactured by KOYO. It belongs to the 1200 series and features dimensions of 25 × 52 × 15 mm (bore × OD × width). This bearing has a dynamic load rating of 10,000 N and a static load rating of 3,450 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 25 mm |
| Outside Diameter (D) | 52 mm |
| Width (B) | 15 mm |
| Weight | 0.110 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 10,000 N |
| Static Load Rating (C₀r) | 3,450 N |
| Limiting Speed (Grease) | 12,000 rpm |
| Limiting Speed (Oil) | 15,000 rpm |
Brand Cross-Reference — 1205 Equivalents
The following bearings from other manufacturers are interchangeable with the KOYO 1205. All share identical dimensions (25×52×15mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| KOYO | KOYO 1205 ✦ | 10,000 | 3,450 |
| Timken | Timken 1205 | 10,000 | 3,450 |
| SKF | SKF 1205 | 10,000 | 3,450 |
| NACHI | NACHI 1205 | 10,000 | 3,450 |
| FAG | FAG 1205 | 10,000 | 3,450 |
| Timken | Timken 1205 | 10,000 | 3,450 |
| NSK | NSK 1205 | 10,000 | 3,450 |
| NTN | NTN 1205 | 10,000 | 3,450 |
| SKF | SKF 1205 | 10,000 | 3,450 |
Available Variants
The KOYO 1205 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the KOYO 1205?
The KOYO 1205 has a bore diameter of 25mm, outside diameter of 52mm, and width of 15mm. It weighs 0.110kg.
What is the load capacity of the KOYO 1205?
The dynamic load rating (Cr) is 10,000 N and the static load rating (C₀r) is 3,450 N. The maximum recommended speed is 12,000 rpm with grease lubrication or 15,000 rpm with oil lubrication.
What bearings are equivalent to KOYO 1205?
The 1205 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 25×52×15mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.