6409
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What 6409 means
| Code | Position | Meaning |
|---|---|---|
6 |
Type | Deep groove ball bearing |
4 |
Diameter series | Diameter series 4 (heavy): fixes OD and width for the bore (ISO 15) |
09 |
Bore | Bore code 09 × 5 = 45 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6409 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 45 mm | 1.7717 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 120 mm | 4.7244 in | Maker's catalogue (PEER Bearing), confirmed by supplier data |
| Width (B) | 29 mm | 1.1417 in | Maker's catalogue (PEER Bearing), confirmed by supplier data |
| Bearing type | Deep groove ball 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
| Brand | Part number | Basis |
|---|---|---|
| SKF | 6409 | Brand suffix convention for this ISO size |
| TIMKEN | 6409 | Brand suffix convention for this ISO size |
| FAG | 6409 | Brand suffix convention for this ISO size |
| NSK | 6409 | Brand suffix convention for this ISO size |
| NTN | 6409 | Brand suffix convention for this ISO size |
| KOYO | 6409 | Brand suffix convention for this ISO size |
| NACHI | 6409 | Brand suffix convention for this ISO size |
Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables
6409 is a deep groove ball bearing, 45 mm bore × 120 mm OD × 29 mm wide (1.7717 × 4.7244 × 1.1417 in). It has no seals or shields (open). Other makers sell the same size as SKF 6409, TIMKEN 6409, FAG 6409, NSK 6409.
The 6409 is a deep groove ball bearing with a 45mm bore diameter from the 64 series. This open bearing design contains no seals or shields, allowing for higher speed capability and easy lubrication maintenance in controlled environments.
