NU321-C3
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeRegular price
$420.00 USD
Regular price
Sale price
$420.00 USD
Unit price
per
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Bore105 mm
4.1339 in
Outside dia.225 mm
8.8583 in
Width49 mm
1.9291 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 NU321-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) |
3 |
Diameter series | Diameter series 3 (medium) |
21 |
Bore | Bore code 21 × 5 = 105 mm |
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.
NU321-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 105 mm | 4.1339 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 225 mm | 8.8583 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 49 mm | 1.9291 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 | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
NU321-C3 is a cylindrical roller bearing, 105 mm bore × 225 mm OD × 49 mm wide (4.1339 × 8.8583 × 1.9291 in). It has C3 internal clearance.
The NU321-C3 is a single row cylindrical roller bearing with a 105mm bore diameter, 225mm outside diameter, and 49mm width. This bearing features C3 radial internal clearance, providing greater clearance than standard to accommodate thermal expansion or shaft deflection in operating conditions.
Inner Diameter (ID)
105 mm
Outside Diameter (OD)
225 mm
Width
49 mm
Series
NU3
Bearing Type
Cylindrical roller bearing
