6317-C4
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What 6317-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) |
17 |
Bore | Bore code 17 × 5 = 85 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.
6317-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 85 mm | 3.3465 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 180 mm | 7.0866 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 41 mm | 1.6142 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 | 6317 C4 | Brand suffix convention for this ISO size |
| TIMKEN | 6317 C4 | Brand suffix convention for this ISO size |
| FAG | 6317 C4 | Brand suffix convention for this ISO size |
| NSK | 6317 C4 | Brand suffix convention for this ISO size |
| NTN | 6317 C4 | Brand suffix convention for this ISO size |
| KOYO | 6317 C4 | Brand suffix convention for this ISO size |
| NACHI | 6317 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
6317-C4 is a deep groove ball bearing, 85 mm bore × 180 mm OD × 41 mm wide (3.3465 × 7.0866 × 1.6142 in). It has no seals or shields (open) and C4 internal clearance. Other makers sell the same size as SKF 6317 C4, TIMKEN 6317 C4, FAG 6317 C4, NSK 6317 C4.
The 6317-C4 is a deep groove ball bearing with an 85mm bore diameter, 180mm outside diameter, and 41mm width. The C4 designation indicates a radial internal clearance greater than C3, providing increased clearance for applications involving thermal expansion or shaft/housing fits that reduce operating clearance.
