6911
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What 6911 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) |
11 |
Bore | Bore code 11 × 5 = 55 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6911 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 55 mm | 2.1654 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 80 mm | 3.1496 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 13 mm | 0.5118 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 | Normal (CN): no clearance code in the designation | Stated by the designation | |
| Cage | Pressed steel | Supplier catalogue listing | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
Equivalent to / interchanges with
| Brand | Part number | Basis |
|---|---|---|
| SKF | 6911 | Brand suffix convention for this ISO size |
| TIMKEN | 6911 | Brand suffix convention for this ISO size |
| FAG | 6911 | Brand suffix convention for this ISO size |
| NSK | 6911 | Brand suffix convention for this ISO size |
| NTN | 6911 | Brand suffix convention for this ISO size |
| KOYO | 6911 | Brand suffix convention for this ISO size |
| NACHI | 6911 | 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
6911 is a deep groove ball bearing, 55 mm bore × 80 mm OD × 13 mm wide (2.1654 × 3.1496 × 0.5118 in). It has no seals or shields (open). Other makers sell the same size as SKF 6911, TIMKEN 6911, FAG 6911, NSK 6911.
The 6911 is a deep groove ball bearing with a 55mm bore diameter, 80mm outside diameter, and 13mm width. This open bearing design features no seals or shields, making it suitable for applications where external sealing is provided or where contamination is minimal.
Bore/Inner Diameter Inch: 2.165
Bore/Inner Diameter mm: 55
Seal Type: Open
