NU211K-C3
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeRegular price
$87.95 USD
Regular price
Sale price
$87.95 USD
Unit price
per
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Bore55 mm
2.1654 in
Outside dia.100 mm
3.937 in
Width21 mm
0.8268 in
TypeCylindrical 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 NU211K-C3 means
| Code | Position | Meaning |
|---|---|---|
NU |
Type | Cylindrical roller bearing, type NU: two flanges on the outer ring, none on the inner ring (inner ring can float axially) |
2 |
Diameter series | Diameter series 2 (light) |
11 |
Bore | Bore code 11 × 5 = 55 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.
NU211K-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) | 100 mm | 3.937 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 21 mm | 0.8268 in | ISO table for this designation, confirmed by supplier data |
| Bearing type | Cylindrical 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 | |
NU211K-C3 is a cylindrical roller bearing, 55 mm bore × 100 mm OD × 21 mm wide (2.1654 × 3.937 × 0.8268 in). It has C3 internal clearance and a tapered bore (1:12).
The NU211K-C3 is a single-row cylindrical roller bearing with a 55mm tapered bore (1:12 taper), 100mm outside diameter, and 21mm width. The C3 radial clearance provides greater internal clearance than standard, accommodating thermal expansion and shaft deflection in operating conditions.
Inner Diameter (ID)
55 mm
Outside Diameter (OD)
100 mm
Width
21 mm
Series
NU2
Bearing Type
Cylindrical roller bearing
