6312-C4
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 6312-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) |
12 |
Bore | Bore code 12 × 5 = 60 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.
6312-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 60 mm | 2.3622 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 130 mm | 5.1181 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 31 mm | 1.2205 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 | 6312 C4 | Brand suffix convention for this ISO size |
| TIMKEN | 6312 C4 | Brand suffix convention for this ISO size |
| FAG | 6312 C4 | Brand suffix convention for this ISO size |
| NSK | 6312 C4 | Brand suffix convention for this ISO size |
| NTN | 6312 C4 | Brand suffix convention for this ISO size |
| KOYO | 6312 C4 | Brand suffix convention for this ISO size |
| NACHI | 6312 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
6312-C4 is a deep groove ball bearing, 60 mm bore × 130 mm OD × 31 mm wide (2.3622 × 5.1181 × 1.2205 in). It has no seals or shields (open) and C4 internal clearance. Other makers sell the same size as SKF 6312 C4, TIMKEN 6312 C4, FAG 6312 C4, NSK 6312 C4.
The 6312-C4 is a deep groove ball bearing with a 60mm bore diameter, 130mm outside diameter, and 31mm width. It features C4 radial internal clearance, which is greater than C3 and provides additional room for thermal expansion or interference fits in applications with temperature variations or shaft/housing fits that reduce the working clearance.
