N306-C3
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeRegular price
$45.95 USD
Regular price
Sale price
$45.95 USD
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Bore30 mm
1.1811 in
Outside dia.72 mm
2.8346 in
Width19 mm
0.748 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 N306-C3 means
| Code | Position | Meaning |
|---|---|---|
N |
Type | Cylindrical roller bearing, type N: two flanges on the inner ring, none on the outer ring |
3 |
Diameter series | Diameter series 3 (medium) |
06 |
Bore | Bore code 06 × 5 = 30 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.
N306-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 30 mm | 1.1811 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 72 mm | 2.8346 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 19 mm | 0.748 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 | |
N306-C3 is a cylindrical roller bearing, 30 mm bore × 72 mm OD × 19 mm wide (1.1811 × 2.8346 × 0.748 in). It has C3 internal clearance.
The N306-C3 is a single-row cylindrical roller bearing with a 30mm bore diameter, 72mm outside diameter, and 19mm width. This bearing features C3 radial internal clearance, providing greater clearance than standard to accommodate thermal expansion or shaft-housing fits requiring additional play.
Inner Diameter (ID)
30 mm
Outside Diameter (OD)
72 mm
Width
19 mm
Series
N3
Bearing Type
Cylindrical roller bearing
