6328-C4
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What 6328-C4 means
| Code | Position | Meaning |
|---|---|---|
6 |
Type | Deep groove ball bearing |
3 |
Diameter series | Diameter series 3 (medium): fixes OD and width for the bore (ISO 15) |
28 |
Bore | Bore code 28 × 5 = 140 mm |
C4 |
Internal clearance | C4: radial internal clearance greater than C3 |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6328-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 140 mm | 5.5118 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 300 mm | 11.811 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 62 mm | 2.4409 in | ISO table for this designation, 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 | C4 (greater than C3) | 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 | 6328 C4 | Brand suffix convention for this ISO size |
| TIMKEN | 6328 C4 | Brand suffix convention for this ISO size |
| FAG | 6328 C4 | Brand suffix convention for this ISO size |
| NSK | 6328 C4 | Brand suffix convention for this ISO size |
| NTN | 6328 C4 | Brand suffix convention for this ISO size |
| KOYO | 6328 C4 | Brand suffix convention for this ISO size |
| NACHI | 6328 C4 | 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
6328-C4 is a deep groove ball bearing, 140 mm bore × 300 mm OD × 62 mm wide (5.5118 × 11.811 × 2.4409 in). It has no seals or shields (open) and C4 internal clearance. Other makers sell the same size as SKF 6328 C4, TIMKEN 6328 C4, FAG 6328 C4, NSK 6328 C4.
The 6328-C4 is a deep groove ball bearing with a 140mm bore diameter, 300mm outside diameter, and 62mm width. This single-row radial bearing features C4 internal clearance, providing greater radial play than standard clearances for applications with thermal expansion or shaft deflection.
