6904-2RS
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeCouldn't load pickup availability
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What 6904-2RS means
| Code | Position | Meaning |
|---|---|---|
6 |
Type | Deep groove ball bearing |
9 |
Diameter series | Diameter series 9 (very thin): fixes OD and width for the bore (ISO 15) |
04 |
Bore | Bore code 04 × 5 = 20 mm |
2RS |
Closure | Contact rubber seals, both sides |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6904-2RS specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 20 mm | 0.7874 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 37 mm | 1.4567 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 9 mm | 0.3543 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 | Normal (CN): no clearance code in the designation | 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 | 6904 2RSH | Brand suffix convention for this ISO size |
| TIMKEN | 6904 2RS | Brand suffix convention for this ISO size |
| FAG | 6904 2RSR | Brand suffix convention for this ISO size |
| NSK | 6904 DDU | Brand suffix convention for this ISO size |
| NTN | 6904 LLU | Brand suffix convention for this ISO size |
| KOYO | 6904 2RS | Brand suffix convention for this ISO size |
| NACHI | 6904 2NSE | 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
6904-2RS is a deep groove ball bearing, 20 mm bore × 37 mm OD × 9 mm wide (0.7874 × 1.4567 × 0.3543 in). It has rubber contact seals on both sides. Other makers sell the same size as SKF 6904 2RSH, TIMKEN 6904 2RS, FAG 6904 2RSR, NSK 6904 DDU.
The 6904-2RS is a deep groove ball bearing with a 20mm bore diameter, 37mm outside diameter, and 9mm width. It features contact rubber seals on both sides (2RS) to protect against contaminant ingress and lubricant loss.
6904 2RS 6900 (61900) Series Ball Bearing
