RLS18
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What RLS18 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 |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
RLS18 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) | 133.35 mm | 5-1/4 in (5.25) | Two independent catalogue sources agree |
| Width (B) | 23.81 mm | 15/16 in (0.9375) | Two independent catalogue sources agree |
| Bearing type | Inch-dimension radial ball bearing, light series | Stated by the designation | |
| Seals / shields | Open | Supplier catalogue listing | |
RLS18 is an inch-dimension radial ball bearing, light series, 2-1/4 in bore × 5-1/4 in OD × 15/16 in wide (57.15 × 133.35 × 23.81 mm).
The RLS 18 is a ball bearing designed for industrial applications requiring smooth rotational motion and load support. Ball bearings use rolling elements to reduce friction between moving parts, providing efficient operation and extended service life.
Series: RLS
Model Number: RLS18
Bore/Inner Diameter Inch: 2.25
Bore/Inner Diameter mm: 57.15
Outside Diameter Inch: 4.5
Outside Diameter mm: 114.3
