2313K-C3
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What 2313K-C3 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 |
13 |
Bore | Bore code 13 × 5 = 65 mm |
K |
Bore type | Tapered bore, taper 1:12 (mounts on an adapter or withdrawal sleeve) |
C3 |
Internal clearance | C3: radial internal clearance greater than Normal |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
2313K-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 65 mm | 2.5591 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 140 mm | 5.5118 in | Supplier catalogue listing |
| Width (B) | 48 mm | 1.8898 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 | C3 (greater than Normal) | Stated by the designation | |
| Bore | Tapered bore (1:12) | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
2313K-C3 is a self-aligning ball bearing, 65 mm bore × 140 mm OD × 48 mm wide (2.5591 × 5.5118 × 1.8898 in). It has C3 internal clearance and a tapered bore (1:12).
Self-aligning ball bearings feature two rows of balls running on a spherical outer ring raceway, allowing the bearing to accommodate angular misalignment between the shaft and housing. The 2313K-C3 has a 65mm tapered bore (1:12 taper) for direct mounting on tapered shafts or adapter sleeves, with C3 internal clearance providing greater radial play than standard for applications with thermal expansion or misalignment.
