NU318-C3
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeRegular price
$240.00 USD
Regular price
Sale price
$240.00 USD
Unit price
per
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Bore90 mm
3.5433 in
Outside dia.190 mm
7.4803 in
Width43 mm
1.6929 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 NU318-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) |
18 |
Bore | Bore code 18 × 5 = 90 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.
NU318-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 90 mm | 3.5433 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 190 mm | 7.4803 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 43 mm | 1.6929 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 | |
NU318-C3 is a cylindrical roller bearing, 90 mm bore × 190 mm OD × 43 mm wide (3.5433 × 7.4803 × 1.6929 in). It has C3 internal clearance.
The NU318-C3 is a single-row cylindrical roller bearing with dimensions of 90mm bore, 190mm outside diameter, and 43mm width. This bearing features C3 radial internal clearance, providing greater clearance than standard to accommodate thermal expansion or shaft/housing fits requiring additional operating clearance.
Inner Diameter (ID)
90 mm
Outside Diameter (OD)
190 mm
Width
43 mm
Series
NU3
Bearing Type
Cylindrical roller bearing
