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| Parameter | SKFHK 3018 RSDrawn cup needle roller bearing with open ends and integral sealing | INAHK3018-RS30 × 37 × 18 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | HK 3018 RS | HK3018-RS |
| Product family | Needle roller bearings | — |
| Detailed type | Drawn cup needle roller bearing with open ends and integral sealing | Drawn cup needle roller bearing open end |
| Series | — | HK3018 |
| Bore diameterd | — | 30 mm |
| Outside diameterD | 37 mm | 37 mm |
| WidthB | 18 mm | 18 mm |
| Basic dynamic load ratingC | 16.5 kN | 17.2 kN |
| Basic static load ratingC0 | 29 kN | 29 kN |
| Fatigue load limitPu | 3.4 kN | 3.85 kN |
| Limiting speednG | 5600 r/min | 5200 r/min |
| Mass≈m | 0.035 kg | 0.03401 kg |
| Sealing | Seal on one side | — |
| Cage | Sheet steel | — |
| Bearing material | Bearing steel | — |
| Lubricant | Grease | — |
| Minimum operating temperatureTmin | — | -20 °C |
| Maximum operating temperatureTmax | — | 100 °C |
| Dimensions | ||
| Bore diameter of needle roller complement | 30.0 mm | — |
| Engineering — Associated products | ||
| Inner ring IR series | IR 25x30x20.5 | — |
| Inner ring LR series | LR 25x30x20.5 | — |
| Engineering — Dimensions | ||
| Diameter under rollersF w | 30 mm | — |
| Chamfer dimension drawn cup (outer ring)r | min. 0.8 mm | — |
| Logistics | ||
| Product net weight | 0.035 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 381821 |
| Base Type | — | HK3018 |
| Gpsd Group | — | I01 |
| Product Line Id | — | 09 |
| X Life Marking | — | n.r. |
| Product identity | ||
| Official product category | Needle roller bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/drawn-cup-needle-roller-bearings | — |
| Structure group ID | BND_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Drawn cup needle roller bearings with open ends HK..-RS, lip seal on one side, to DIN 618 |
| Short Description | — | Drawn cup needle roller bearing open end |
| Properties | ||
| Bearing part | Bearing without inner ring | — |
| Number of rows | 1 | — |
| Outer ring type | Drawn cup with open ends | — |
| Aligning feature | Without | — |
| Number of flanges, outer ring | 2 | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Sealing type | Contact | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 0.13 kg CO 2 e | — |
| Technical Data | ||
| Under Roller Diameter (Fw) | — | 30 mm |
| Outside Diamater (D) | — | 37 mm |
| Width (C) | — | 18 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 17,200 N |
| Basic Static Load Rating, Radial (C0R) | — | 29,000 N |
| Operating Temperature Min. (Tmin) | — | -20 °C |
| Limiting Speed For Grease Lubrication (Ng Grea) | — | 5,200 1/min |
| Operating Temperature Max. (Tmax) | — | 100 °C |
| Limiting Speed (Limiting Spe) | — | 5,200 1/min |
| Minimum Chamfer Dimension (Rmin) | — | 0.8 mm |
| Fatigue Load Limit, Radial (Cur) | — | 3,850 N |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.