6313-C4
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What 6313-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) |
13 |
Bore | Bore code 13 × 5 = 65 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.
6313-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 65 mm | 2.5591 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 140 mm | 5.5118 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 33 mm | 1.2992 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 | 6313 C4 | Brand suffix convention for this ISO size |
| TIMKEN | 6313 C4 | Brand suffix convention for this ISO size |
| FAG | 6313 C4 | Brand suffix convention for this ISO size |
| NSK | 6313 C4 | Brand suffix convention for this ISO size |
| NTN | 6313 C4 | Brand suffix convention for this ISO size |
| KOYO | 6313 C4 | Brand suffix convention for this ISO size |
| NACHI | 6313 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
6313-C4 is a deep groove ball bearing, 65 mm bore × 140 mm OD × 33 mm wide (2.5591 × 5.5118 × 1.2992 in). It has no seals or shields (open) and C4 internal clearance. Other makers sell the same size as SKF 6313 C4, TIMKEN 6313 C4, FAG 6313 C4, NSK 6313 C4.
The 6313-C4 is a deep groove ball bearing with a 65mm bore diameter, 140mm outside diameter, and 33mm width. This single-row bearing features C4 internal clearance, providing greater radial clearance than standard C3 for applications requiring additional expansion space due to thermal growth or interference fits.
