21310EXW33KC3
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableCouldn't load pickup availability
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What 21310EXW33KC3 means
| Code | Position | Meaning |
|---|---|---|
2 |
Type | Spherical roller bearing |
1 |
Width series | Width series 1 |
3 |
Diameter series | Diameter series 3 (medium) |
10 |
Bore | Bore code 10 × 5 = 50 mm |
EX |
Maker code | Manufacturer-specific code, not decoded here. Ask us if it matters for your application. |
W33 |
Lubrication | Lubrication groove and three holes in the outer ring |
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. Codes marked "not decoded" are maker-specific; ask us if one matters for your application. Decode any other number with the bearing number decoder.
21310EXW33KC3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 50 mm | 1.9685 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 110 mm | 4.3307 in | Supplier catalogue listing |
| Width (B) | 27 mm | 1.063 in | Supplier catalogue listing |
| Bearing type | Spherical roller bearing | Stated by the designation | |
| Seals / shields | Open | Supplier catalogue listing | |
| Internal clearance | C3 (greater than Normal) | Stated by the designation | |
| Bore | Tapered bore (1:12) | Stated by the designation | |
| Lubrication feature | Lubrication groove and three holes in the outer ring | Stated by the designation | |
21310EXW33KC3 is a spherical roller bearing, 50 mm bore × 110 mm OD × 27 mm wide (1.9685 × 4.3307 × 1.063 in). It has C3 internal clearance, a tapered bore (1:12) and a lubrication groove and three holes in the outer ring.
The 21310EXW33KC3 is a spherical roller bearing with a 50 mm tapered bore (1:12 taper), designed to accommodate misalignment and heavy radial loads while also supporting moderate axial loads in both directions. This bearing features C3 radial clearance for applications with thermal expansion or interference fit requirements.
