6021
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What 6021 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) |
21 |
Bore | Bore code 21 × 5 = 105 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6021 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 105 mm | 4.1339 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 160 mm | 6.2992 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 26 mm | 1.0236 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 | |
Equivalent to / interchanges with
| Brand | Part number | Basis |
|---|---|---|
| SKF | 6021 | Brand suffix convention for this ISO size |
| TIMKEN | 6021 | Brand suffix convention for this ISO size |
| FAG | 6021 | Brand suffix convention for this ISO size |
| NSK | 6021 | Brand suffix convention for this ISO size |
| NTN | 6021 | Brand suffix convention for this ISO size |
| KOYO | 6021 | Brand suffix convention for this ISO size |
| NACHI | 6021 | 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
6021 is a deep groove ball bearing, 105 mm bore × 160 mm OD × 26 mm wide (4.1339 × 6.2992 × 1.0236 in). It has no seals or shields (open). Other makers sell the same size as SKF 6021, TIMKEN 6021, FAG 6021, NSK 6021.
The 6021 is a deep groove ball bearing with a 105mm bore diameter, 160mm outside diameter, and 26mm width. This open design bearing has no seals or shields, allowing for higher speed operation and external lubrication management.
