NU308-C3
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeRegular price
$49.95 USD
Regular price
Sale price
$49.95 USD
Unit price
per
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Bore40 mm
1.5748 in
Outside dia.90 mm
3.5433 in
Width23 mm
0.9055 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 NU308-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) |
08 |
Bore | Bore code 08 × 5 = 40 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.
NU308-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 40 mm | 1.5748 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 90 mm | 3.5433 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 23 mm | 0.9055 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 | |
NU308-C3 is a cylindrical roller bearing, 40 mm bore × 90 mm OD × 23 mm wide (1.5748 × 3.5433 × 0.9055 in). It has C3 internal clearance.
The NU308-C3 is a single-row cylindrical roller bearing with dimensions of 40mm bore, 90mm outside diameter, and 23mm width. This NU-type bearing features a separable design with an inner ring and roller cage assembly, while the outer ring has no flanges on one side, allowing for axial displacement to accommodate thermal expansion in the shaft assembly.
Inner Diameter (ID)
40 mm
Outside Diameter (OD)
90 mm
Width
23 mm
Series
NU3
Bearing Type
Cylindrical roller bearing
