6318-2RS-C3
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What 6318-2RS-C3 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) |
18 |
Bore | Bore code 18 × 5 = 90 mm |
2RS |
Closure | Contact rubber seals, both sides |
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.
6318-2RS-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 90 mm | 3.5433 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 190 mm | 7.4803 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 43 mm | 1.6929 in | ISO table for this designation, confirmed by supplier data |
| Bearing type | Deep groove ball bearing | Stated by the designation | |
| Seals / shields | Contact rubber seals, both sides | 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 | 6318 2RSH C3 | Brand suffix convention for this ISO size |
| TIMKEN | 6318 2RS C3 | Brand suffix convention for this ISO size |
| FAG | 6318 2RSR C3 | Brand suffix convention for this ISO size |
| NSK | 6318 DDU C3 | Brand suffix convention for this ISO size |
| NTN | 6318 LLU C3 | Brand suffix convention for this ISO size |
| KOYO | 6318 2RS C3 | Brand suffix convention for this ISO size |
| NACHI | 6318 2NSE 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
6318-2RS-C3 is a deep groove ball bearing, 90 mm bore × 190 mm OD × 43 mm wide (3.5433 × 7.4803 × 1.6929 in). It has rubber contact seals on both sides and C3 internal clearance. Other makers sell the same size as SKF 6318 2RSH C3, TIMKEN 6318 2RS C3, FAG 6318 2RSR C3, NSK 6318 DDU C3.
The 6318-2RS-C3 is a deep groove ball bearing with 90mm bore diameter, 190mm outside diameter, and 43mm width. It features contact rubber seals on both sides for protection against contaminants and lubricant retention, with C3 radial internal clearance for applications requiring greater clearance than normal.
