23028K-C4
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$518.00 USD
Regular price
Sale price
$518.00 USD
Unit price
per
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Bore140 mm
5.5118 in
Outside dia.210 mm
8.2677 in
Width53 mm
2.0866 in
TypeSpherical roller bearing
SealingOpen
ClearanceC4
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 23028K-C4 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) |
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.
23028K-C4 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 | 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 | |
23028K-C4 is a spherical roller bearing, 140 mm bore × 210 mm OD × 53 mm wide (5.5118 × 8.2677 × 2.0866 in). It has C4 internal clearance and a tapered bore (1:12).
The 23028K-C4 is a spherical roller bearing with a 140 mm bore diameter, featuring a tapered bore (1:12 taper) and C4 radial internal clearance. The tapered bore design allows secure mounting on tapered shafts or adapter sleeves, while the C4 clearance accommodates thermal expansion and misalignment in operating conditions.
Inner Diameter (ID)
140 mm
Series
230
Bearing Type
Spherical roller bearing
