RLS18-ZZ
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What RLS18-ZZ means
| Code | Position | Meaning |
|---|---|---|
RLS |
Type | Inch-dimension radial ball bearing, light series |
18 |
Bore | Bore in eighths of an inch: 18/8 = 2-1/4 in |
ZZ |
Closure | Metal shields, both sides |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
RLS18-ZZ specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 57.15 mm | 2-1/4 in (2.25) | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 114.3 mm | 4-1/2 in (4.5) | Two independent catalogue sources agree |
| Width (B) | 22.23 mm | 7/8 in (0.875) | Two independent catalogue sources agree |
| Bearing type | Inch-dimension radial ball bearing, light series | Stated by the designation | |
| Seals / shields | Metal shields, both sides | Stated by the designation | |
RLS18-ZZ is an inch-dimension radial ball bearing, light series, 2-1/4 in bore × 4-1/2 in OD × 7/8 in wide (57.15 × 114.3 × 22.23 mm). It has metal shields on both sides.
The RLS18-ZZ is a double-shielded deep groove ball bearing from the RLS series. The ZZ suffix indicates metal shields on both sides that protect the bearing's internal components from contaminants while retaining lubrication.
Series: RLS
Model Number: RLS18 ZZ
Bore/Inner Diameter Inch: 2.25
Bore/Inner Diameter mm: 57.15
Outside Diameter Inch: 4.5
Outside Diameter mm: 114.3
