23028K-C3
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What 23028K-C3 means
| Code | Position | Meaning |
|---|---|---|
2 |
Type | Spherical roller bearing |
3 |
Width series | Width series 3 |
0 |
Diameter series | Diameter series 0 (extra light) |
28 |
Bore | Bore code 28 × 5 = 140 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.
23028K-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 140 mm | 5.5118 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 210 mm | 8.2677 in | Supplier catalogue listing |
| Width (B) | 53 mm | 2.0866 in | Supplier catalogue listing |
| Bearing type | Spherical roller 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 | |
23028K-C3 is a spherical roller bearing, 140 mm bore × 210 mm OD × 53 mm wide (5.5118 × 8.2677 × 2.0866 in). It has C3 internal clearance and a tapered bore (1:12).
The 23028K-C3 is a spherical roller bearing with a 140mm bore diameter, featuring a tapered bore (1:12 taper) for secure mounting on adapter sleeves or tapered shafts. This bearing is manufactured with C3 internal clearance, providing greater radial clearance than standard to accommodate thermal expansion and shaft deflection in demanding applications.
