21310K-C3
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$104.00 USD
Regular price
Sale price
$104.00 USD
Unit price
per
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Bore50 mm
1.9685 in
Outside dia.110 mm
4.3307 in
Width27 mm
1.063 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 21310K-C3 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 |
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.
21310K-C3 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 (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 | |
21310K-C3 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 and a tapered bore (1:12).
The 21310K-C3 is a spherical roller bearing with a 50mm tapered bore (1:12 taper) and C3 radial clearance. Spherical roller bearings feature barrel-shaped rollers running on a common spherical outer ring raceway, providing self-aligning capability to accommodate shaft deflection and misalignment.
Inner Diameter (ID)
50 mm
Series
213
Bearing Type
Spherical roller bearing
