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| Parameter | SKFHK 5520Drawn cup needle roller bearing with open ends | KOYOHK5520Needle roller bearings |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | KOYO |
| Designation | HK 5520 | HK5520 |
| Product family | Needle roller bearings | Drawn cup needle roller bearings / Metric series, caged |
| Detailed type | Drawn cup needle roller bearing with open ends | Needle roller bearings |
| Outside diameterD | 63 mm | 63 mm |
| WidthB | 20 mm | — |
| Basic dynamic load ratingC | 30.3 kN | 31 kN |
| Basic static load ratingC0 | 67 kN | 64.4 kN |
| Fatigue load limitPu | 8.3 kN | 10 kN |
| Reference speednref | 4500 r/min | — |
| Limiting speednG | 5000 r/min | 3700 r/min |
| Mass≈m | 0.078 kg | 0.079 kg |
| Sealing | Without | — |
| Cage | Sheet steel | — |
| Bearing material | Bearing steel | — |
| Lubricant | None | — |
| Classification | ||
| Official Category Path | — | Needle roller bearings - Drawn cup needle roller bearings - Metric series, caged |
| Official Classification 1 | — | Needle roller bearings / Drawn cup needle roller bearings / Metric series, caged |
| Dimensions | ||
| Bore diameter of needle roller complement | 55.0 mm | — |
| Engineering — Associated products | ||
| Inner ring LR series | LR 50x55x20.5 | — |
| Radial shaft seal with a low cross-sectional height, single lip | G 55x63x5 | — |
| Engineering — Dimensions | ||
| Diameter under rollersF w | 55 mm | — |
| Chamfer dimension drawn cup (outer ring)r | min. 0.8 mm | — |
| Logistics | ||
| Product net weight | 0.078 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Official Class Key | — | 090-020-010 |
| 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 | — |
| 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 | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 0.29 kg CO 2 e | — |
| Technical Data | ||
| Fw | — | 55 mm |
| D | — | 63 mm |
| C | — | 20 mm |
| R(Min.) | — | 1 mm |
| Basic Load Ratings : Cr | — | 31.0 kN |
| Basic Load Ratings : C0R | — | 64.4 kN |
| Fatigue Load Limit : Cu | — | 10.0 kN |
| Limiting Speeds(Grease Lub.) | — | 3700 min-1 |
| Limiting Speeds(Oil Lub.) | — | 5700 min-1 |
| Mass(Refer.) | — | 0.079 kg |
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.