N307
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What N307 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) |
07 |
Bore | Bore code 07 × 5 = 35 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
N307 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 35 mm | 1.378 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 80 mm | 3.1496 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 | Normal (CN): no clearance code in the designation | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
Equivalent to / interchanges with
Also listed in manufacturer interchange tables (1): confirm suffix codes before ordering
- TIMKEN N307LOE (Timken Interchange Guide)
These carry maker-specific suffix codes (cage, lubrication groove, design) that we have not matched one-for-one. The size is the same; check the codes against your application.
Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables
N307 is a cylindrical roller bearing, 35 mm bore × 80 mm OD × 21 mm wide (1.378 × 3.1496 × 0.8268 in).
The N307 is a single-row cylindrical roller bearing with a 35mm bore diameter, 80mm outside diameter, and 21mm width. Cylindrical roller bearings feature line contact between rollers and raceways, providing high radial load capacity and relatively low friction in applications with primarily radial loads.
