6918
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeCouldn't load pickup availability
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What 6918 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) |
18 |
Bore | Bore code 18 × 5 = 90 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6918 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 90 mm | 3.5433 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 125 mm | 4.9213 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 18 mm | 0.7087 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 | 6918 | Brand suffix convention for this ISO size |
| TIMKEN | 6918 | Brand suffix convention for this ISO size |
| FAG | 6918 | Brand suffix convention for this ISO size |
| NSK | 6918 | Brand suffix convention for this ISO size |
| NTN | 6918 | Brand suffix convention for this ISO size |
| KOYO | 6918 | Brand suffix convention for this ISO size |
| NACHI | 6918 | 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
6918 is a deep groove ball bearing, 90 mm bore × 125 mm OD × 18 mm wide (3.5433 × 4.9213 × 0.7087 in). It has no seals or shields (open). Other makers sell the same size as SKF 6918, TIMKEN 6918, FAG 6918, NSK 6918.
The 6918 is a deep groove ball bearing with a 90mm bore diameter, 125mm outside diameter, and 18mm width. This open design bearing has no seals or shields, allowing for higher speed operation and easy lubrication maintenance in controlled environments.
Outside Diameter Inch: 4.921
Outside Diameter mm: 125
Seal Type: Open
