6018-ZZ-C4
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What 6018-ZZ-C4 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) |
18 |
Bore | Bore code 18 × 5 = 90 mm |
ZZ |
Closure | Metal shields, both sides |
C4 |
Internal clearance | C4: radial internal clearance greater than C3 |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6018-ZZ-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 90 mm | 3.5433 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 140 mm | 5.5118 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 24 mm | 0.9449 in | ISO table for this designation, confirmed by supplier data |
| Bearing type | Deep groove ball bearing | Stated by the designation | |
| Seals / shields | Metal shields, both sides | Stated by the designation | |
| Internal clearance | C4 (greater than C3) | 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 | 6018 2Z C4 | Brand suffix convention for this ISO size |
| TIMKEN | 6018 ZZ C4 | Brand suffix convention for this ISO size |
| FAG | 6018 2ZR C4 | Brand suffix convention for this ISO size |
| NSK | 6018 ZZ C4 | Brand suffix convention for this ISO size |
| NTN | 6018 ZZ C4 | Brand suffix convention for this ISO size |
| KOYO | 6018 ZZ C4 | Brand suffix convention for this ISO size |
| NACHI | 6018 ZZE C4 | 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
6018-ZZ-C4 is a deep groove ball bearing, 90 mm bore × 140 mm OD × 24 mm wide (3.5433 × 5.5118 × 0.9449 in). It has metal shields on both sides and C4 internal clearance. Other makers sell the same size as SKF 6018 2Z C4, TIMKEN 6018 ZZ C4, FAG 6018 2ZR C4, NSK 6018 ZZ C4.
The 6018-ZZ-C4 is a deep groove ball bearing with 90mm bore diameter, 140mm outside diameter, and 24mm width. It features metal shields on both sides for protection against contaminants while allowing pre-lubrication, and C4 internal clearance for applications with thermal expansion or shaft/housing interference fits.
