23128K
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$707.00 USD
Regular price
Sale price
$707.00 USD
Unit price
per
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Bore140 mm
5.5118 in
Outside dia.225 mm
8.8583 in
Width68 mm
2.6772 in
TypeSpherical roller bearing
SealingOpen
ClearanceNormal
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 23128K means
| Code | Position | Meaning |
|---|---|---|
2 |
Type | Spherical roller bearing |
3 |
Width series | Width series 3 |
1 |
Diameter series | Diameter series 1 (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) |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
23128K specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 140 mm | 5.5118 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 225 mm | 8.8583 in | Supplier catalogue listing |
| Width (B) | 68 mm | 2.6772 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 | Normal (CN): no clearance code in the designation | 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 | |
23128K is a spherical roller bearing, 140 mm bore × 225 mm OD × 68 mm wide (5.5118 × 8.8583 × 2.6772 in). It has a tapered bore (1:12).
The 23128K is a spherical roller bearing from the 231 series, featuring a 140 mm tapered bore (1:12 taper) designed for mounting on tapered shafts or adapter sleeves. The tapered bore design facilitates installation and allows for precise adjustment of internal clearance.
Inner Diameter (ID)
140 mm
Series
231
Bearing Type
Spherical roller bearing
