22312K-C4
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What 22312K-C4 means
| Code | Position | Meaning |
|---|---|---|
2 |
Type | Spherical roller bearing |
2 |
Width series | Width series 2 |
3 |
Diameter series | Diameter series 3 (medium) |
12 |
Bore | Bore code 12 × 5 = 60 mm |
K |
Bore type | Tapered bore, taper 1:12 (mounts on an adapter or withdrawal sleeve) |
C4 |
Internal clearance | C4: radial internal clearance greater than C3 |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
22312K-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 60 mm | 2.3622 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 130 mm | 5.1181 in | Supplier catalogue listing |
| Width (B) | 46 mm | 1.811 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 | C4 (greater than C3) | 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 | |
22312K-C4 is a spherical roller bearing, 60 mm bore × 130 mm OD × 46 mm wide (2.3622 × 5.1181 × 1.811 in). It has C4 internal clearance and a tapered bore (1:12).
The 22312K-C4 is a spherical roller bearing with a 60mm tapered bore (1:12 taper) and C4 radial internal clearance. The tapered bore design allows for secure mounting directly on tapered shafts or adapter sleeves, while the C4 clearance accommodates thermal expansion and misalignment in operating conditions.
