2311K-2RS-C3
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$315.00 USD
Regular price
Sale price
$315.00 USD
Unit price
per
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Bore55 mm
2.1654 in
Outside dia.120 mm
4.7244 in
Width43 mm
1.6929 in
TypeSelf-aligning ball bearing
SealingContact rubber seals, both sides
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 2311K-2RS-C3 means
| Code | Position | Meaning |
|---|---|---|
23 |
Series | Series 23: self-aligning ball bearing, wide (width series 2), diameter series 3 (medium). The type digit 1 is left out of these numbers |
11 |
Bore | Bore code 11 × 5 = 55 mm |
K |
Bore type | Tapered bore, taper 1:12 (mounts on an adapter or withdrawal sleeve) |
2RS |
Closure | Contact rubber seals, both sides |
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.
2311K-2RS-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 55 mm | 2.1654 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 120 mm | 4.7244 in | Supplier catalogue listing |
| Width (B) | 43 mm | 1.6929 in | Supplier catalogue listing |
| Bearing type | Self-aligning ball bearing | Stated by the designation | |
| Seals / shields | Contact rubber seals, both sides | 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 | |
2311K-2RS-C3 is a self-aligning ball bearing, 55 mm bore × 120 mm OD × 43 mm wide (2.1654 × 4.7244 × 1.6929 in). It has rubber contact seals on both sides, C3 internal clearance and a tapered bore (1:12).
The 2311K-2RS-C3 is a self-aligning ball bearing with a 55mm tapered bore (1:12 taper), featuring contact rubber seals on both sides for protection against contaminants. The C3 radial clearance provides greater internal clearance than standard, accommodating thermal expansion and shaft deflection in operating conditions.
Inner Diameter (ID)
55 mm
Sealing
Sealed
Series
23
Bearing Type
Self-aligning ball bearing
