6409-C3
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeCouldn't load pickup availability
Ships from our European partner stock — allow 5–8 business days
Image is for illustration purposes only.
What 6409-C3 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 |
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.
6409-C3 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 | C3 (greater than Normal) | 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 C3 | Brand suffix convention for this ISO size |
| TIMKEN | 6409 C3 | Brand suffix convention for this ISO size |
| FAG | 6409 C3 | Brand suffix convention for this ISO size |
| NSK | 6409 C3 | Brand suffix convention for this ISO size |
| NTN | 6409 C3 | Brand suffix convention for this ISO size |
| KOYO | 6409 C3 | Brand suffix convention for this ISO size |
| NACHI | 6409 C3 | 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-C3 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) and C3 internal clearance. Other makers sell the same size as SKF 6409 C3, TIMKEN 6409 C3, FAG 6409 C3, NSK 6409 C3.
The 6409-C3 is a deep groove ball bearing with a 45mm bore diameter from the 64 series. It features C3 radial internal clearance, which is greater than normal clearance, accommodating thermal expansion and shaft deflection in operating conditions.
