6040
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What 6040 means
| Code | Position | Meaning |
|---|---|---|
6 |
Type | Deep groove ball bearing |
0 |
Diameter series | Diameter series 0 (extra light): fixes OD and width for the bore (ISO 15) |
40 |
Bore | Bore code 40 × 5 = 200 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6040 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 200 mm | 7.874 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 310 mm | 12.2047 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 51 mm | 2.0079 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 | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
| Material | Steel | Supplier catalogue listing | |
Equivalent to / interchanges with
| Brand | Part number | Basis |
|---|---|---|
| SKF | 6040 | Brand suffix convention for this ISO size |
| TIMKEN | 6040 | Brand suffix convention for this ISO size |
| FAG | 6040 | Brand suffix convention for this ISO size |
| NSK | 6040 | Brand suffix convention for this ISO size |
| NTN | 6040 | Brand suffix convention for this ISO size |
| KOYO | 6040 | Brand suffix convention for this ISO size |
| NACHI | 6040 | 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
6040 is a deep groove ball bearing, 200 mm bore × 310 mm OD × 51 mm wide (7.874 × 12.2047 × 2.0079 in). It has no seals or shields (open). Other makers sell the same size as SKF 6040, TIMKEN 6040, FAG 6040, NSK 6040.
The 6040 is a deep groove ball bearing from the 60 series, featuring a 200mm bore diameter, 310mm outside diameter, and 51mm width. This open bearing design has no seals or shields, allowing for external lubrication management in controlled environments.
