RMS18
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$127.14 USD
Regular price
Sale price
$127.14 USD
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Bore2-1/4 in
57.15 mm
Outside dia.6-1/4 in
158.75 mm
Width1-1/4 in
31.75 mm
TypeInch-dimension radial ball bearing, medium series
SealingOpen
Ships from US partner stock — flat-rate shipping, calculated by weight at checkout
Image is for illustration purposes only.
What RMS18 means
| Code | Position | Meaning |
|---|---|---|
RMS |
Type | Inch-dimension radial ball bearing, medium 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.
RMS18 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) | 158.75 mm | 6-1/4 in (6.25) | Supplier catalogue listing |
| Width (B) | 31.75 mm | 1-1/4 in (1.25) | Supplier catalogue listing |
| Bearing type | Inch-dimension radial ball bearing, medium series | Stated by the designation | |
| Seals / shields | Open | Supplier catalogue listing | |
RMS18 is an inch-dimension radial ball bearing, medium series, 2-1/4 in bore × 6-1/4 in OD × 1-1/4 in wide (57.15 × 158.75 × 31.75 mm).
The RMS 18 is a ball bearing designed for applications requiring smooth rotational motion and radial load support. Ball bearings utilize hardened steel balls as rolling elements between inner and outer raceways to reduce friction and enable efficient operation.
RMS18 RMS Series Ball Bearing
