2304
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What 2304 means
| Code | Position | Meaning |
|---|---|---|
23 |
Series | Series 23: self-aligning ball bearing, wide (width series 2), diameter series 3 (medium). The type digit 1 is left out of these numbers |
04 |
Bore | Bore code 04 × 5 = 20 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
2304 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 20 mm | 0.7874 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 52 mm | 2.0472 in | Supplier catalogue listing |
| Width (B) | 21 mm | 0.8268 in | Supplier catalogue listing |
| Bearing type | Self-aligning ball bearing | Stated by the designation | |
| Seals / shields | Open (no seals or shields) | Stated by the designation | |
| Internal clearance | Normal (CN): no clearance code in the designation | Stated by the designation | |
| Bore | Cylindrical (straight) bore | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
2304 is a self-aligning ball bearing, 20 mm bore × 52 mm OD × 21 mm wide (0.7874 × 2.0472 × 0.8268 in).
Self-aligning ball bearings feature two rows of balls running on a spherical outer ring raceway, allowing the bearing to compensate for shaft deflection and misalignment between shaft and housing. The 2304 has a 20mm bore diameter and belongs to the 23 series of self-aligning ball bearings.
Model Number: 2304
Bore/Inner Diameter Inch: 0.7874
Bore/Inner Diameter mm: 20
Outside Diameter Inch: 2.0472
Outside Diameter mm: 52
Width Inch: 0.8268
