6211-NR
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What 6211-NR means
| Code | Position | Meaning |
|---|---|---|
6 |
Type | Deep groove ball bearing |
2 |
Diameter series | Diameter series 2 (light): fixes OD and width for the bore (ISO 15) |
11 |
Bore | Bore code 11 × 5 = 55 mm |
NR |
Snap ring | Snap-ring groove in the outer ring, with the snap ring fitted |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6211-NR specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 55 mm | 2.1654 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 100 mm | 3.937 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 21 mm | 0.8268 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 | |
| Snap ring | Snap-ring groove in the outer ring, with the snap ring fitted | 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 | 6211 NR | Brand suffix convention for this ISO size |
| TIMKEN | 6211 NR | Brand suffix convention for this ISO size |
| FAG | 6211 NR | Brand suffix convention for this ISO size |
| NSK | 6211 NR | Brand suffix convention for this ISO size |
| NTN | 6211 NR | Brand suffix convention for this ISO size |
| KOYO | 6211 NR | Brand suffix convention for this ISO size |
| NACHI | 6211 NR | 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
6211-NR is a deep groove ball bearing, 55 mm bore × 100 mm OD × 21 mm wide (2.1654 × 3.937 × 0.8268 in). It has no seals or shields (open) and a snap-ring groove in the outer ring, with the snap ring fitted. Other makers sell the same size as SKF 6211 NR, TIMKEN 6211 NR, FAG 6211 NR, NSK 6211 NR.
The 6211-NR is a deep groove ball bearing with a 55mm bore diameter, 100mm outside diameter, and 21mm width. It features a snap ring and groove on the outer ring (NR suffix) for axial location in the housing, simplifying assembly and maintenance in applications requiring bearing retention.
