1218K
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$212.00 USD
Regular price
Sale price
$212.00 USD
Unit price
per
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Bore90 mm
3.5433 in
Outside dia.160 mm
6.2992 in
Width30 mm
1.1811 in
TypeSelf-aligning ball 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 1218K means
| Code | Position | Meaning |
|---|---|---|
1 |
Type | Self-aligning ball bearing |
2 |
Diameter series | Diameter series 2 (light) |
18 |
Bore | Bore code 18 × 5 = 90 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.
1218K specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 90 mm | 3.5433 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 160 mm | 6.2992 in | Supplier catalogue listing |
| Width (B) | 30 mm | 1.1811 in | Supplier catalogue listing |
| Bearing type | Self-aligning ball 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 | |
1218K is a self-aligning ball bearing, 90 mm bore × 160 mm OD × 30 mm wide (3.5433 × 6.2992 × 1.1811 in). It has a tapered bore (1:12).
Self-aligning ball bearings feature two rows of balls running on a spherical outer ring raceway, allowing the bearing to accommodate angular misalignment between the shaft and housing. This 1218K bearing has a 90mm tapered bore (1:12 taper) for direct mounting onto tapered shafts or adapter sleeves, providing secure positioning and simplified installation.
Inner Diameter (ID)
90 mm
Series
12
Bearing Type
Self-aligning ball bearing
