21312K-C3
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$124.00 USD
Regular price
Sale price
$124.00 USD
Unit price
per
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Bore60 mm
2.3622 in
Outside dia.130 mm
5.1181 in
Width31 mm
1.2205 in
TypeSpherical roller bearing
SealingOpen
ClearanceC3
Ships separately from our European warehouse — shipping from $79, quoted at checkout
Ships from our European partner stock — allow 5–8 business days
Ships from our European partner stock — allow 5–8 business days
Image is for illustration purposes only.
What 21312K-C3 means
| Code | Position | Meaning |
|---|---|---|
2 |
Type | Spherical roller bearing |
1 |
Width series | Width series 1 |
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) |
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.
21312K-C3 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) | 31 mm | 1.2205 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 | |
21312K-C3 is a spherical roller bearing, 60 mm bore × 130 mm OD × 31 mm wide (2.3622 × 5.1181 × 1.2205 in). It has C3 internal clearance and a tapered bore (1:12).
The 21312K-C3 is a spherical roller bearing with a 60mm tapered bore (1:12 taper) and C3 radial clearance, designed to accommodate higher operating temperatures and thermal expansion. The tapered bore enables direct mounting on tapered shafts or mounting with adapter sleeves on cylindrical shafts.
Inner Diameter (ID)
60 mm
Series
213
Bearing Type
Spherical roller bearing
