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| Parameter | SKFNK 43/20Single row needle roller bearing with machined rings, with flanges, without inner ring | INANK43/20-XL43 × 53 × 20 mm | KOYONK43/20Needle roller bearings |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | INA | KOYO |
| Designation | NK 43/20 | NK43/20-XL | NK43/20 |
| Product family | Needle roller bearings | — | Heavy-duty needle roller bearings / Metric series, caged, without inner ring |
| Detailed type | Single row needle roller bearing with machined rings, with flanges, without inner ring | Needle roller bearings | Needle roller bearings |
| Series | — | NK43/20 | — |
| Bore diameterd | — | 43 mm | — |
| Outside diameterD | 53 mm | 53 mm | 53 mm |
| WidthB | 20 mm | 20 mm | — |
| Basic dynamic load ratingC | 31.5 kN | 30.5 kN | 29 kN |
| Basic static load ratingC0 | 55 kN | 51 kN | 54.4 kN |
| Fatigue load limitPu | 6.8 kN | 9.1 kN | 8.65 kN |
| Reference speednref | 9500 r/min | 6500 r/min | — |
| Limiting speednG | 11000 r/min | 10700 r/min | 6400 r/min |
| Mass≈m | 0.086 kg | 0.087 kg | 0.096 kg |
| Sealing | Without | — | — |
| Cage | Sheet steel | — | — |
| Bearing material | Bearing steel | — | — |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 120 °C | — |
| Classification | |||
| Official Category Path | — | — | Needle roller bearings - Heavy-duty needle roller bearings - Metric series, caged, without inner ring |
| Official Classification 1 | — | — | Needle roller bearings / Heavy-duty needle roller bearings / Metric series, caged, without inner ring |
| Dimensions | |||
| Bore diameter of needle roller complement | 43.0 mm | — | — |
| Engineering — Abutment dimensions | |||
| Diameter of housing abutmentD a | max. 51 mm | — | — |
| Fillet radiusr a | max. 0.3 mm | — | — |
| Engineering — Associated seals | |||
| Radial shaft seal with a low cross-sectional height, single lip | G 43x53x4 | — | — |
| Engineering — Calculation data | |||
| SKF performance class | SKF Explorer | — | — |
| Engineering — Dimensions | |||
| Diameter under rollersF w | 43 mm | — | — |
| Chamfer dimension outer ringr 1,2 | min. 0.3 mm | — | — |
| Logistics | |||
| Product net weight | 0.086 kg | — | — |
| eClass code | 23-05-09-03 | — | — |
| UNSPSC code | 31171512 | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 382974 | — |
| Official Class Key | — | — | 090-030-010 |
| Base Type | — | NK43/20 | — |
| Old Designation | — | ["NK43/20"] | — |
| Gpsd Group | — | I01 | — |
| Product Line Id | — | 09 | — |
| X Life Marking | — | XL | — |
| Product identity | |||
| Official product category | Needle roller bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-bearings-with-machined-rings | — | — |
| Structure group ID | BN1_002 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Product Identity | |||
| Construction | — | Needle roller bearings NK, light series | — |
| Short Description | — | Needle roller bearing | — |
| Properties | |||
| Bearing part | Bearing without inner ring | — | — |
| Number of rows | 1 | — | — |
| Outer ring type | Machined (solid) | — | — |
| Aligning feature | Without | — | — |
| Number of flanges, outer ring | 2 | — | — |
| Tolerance class | Normal | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Relubrication feature | With | — | — |
| Indicative carbon footprint for new product | 0.32 kg CO 2 e | — | — |
| Technical Data | |||
| Fw | — | — | 43 mm |
| D | — | — | 53 mm |
| C | — | — | 20 mm |
| R(Min.) | — | — | 0.3 mm |
| Basic Load Ratings : Cr | — | — | 29.0 kN |
| Basic Load Ratings : C0R | — | — | 54.4 kN |
| Under Roller Diameter (Fw) | — | 43 mm | — |
| Fatigue Load Limit : Cu | — | — | 8.65 kN |
| Outside Diamater (D) | — | 53 mm | — |
| Limiting Speeds(Grease Lub.) | — | — | 6400 min-1 |
| Width, Outer Ring (C) | — | 20 mm | — |
| Limiting Speeds(Oil Lub.) | — | — | 9900 min-1 |
| Basic Dynamic Load Rating, Radial (Cr) | — | 30,500 N | — |
| (Refer.)Mass | — | — | 0.096? kg |
| Basic Static Load Rating, Radial (C0R) | — | 51,000 N | — |
| Mass(Refer.) | — | — | 0.096? kg |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Operating Temperature Max. (Tmax) | — | 120 °C | — |
| Limiting Speed (Limiting Spe) | — | 10,700 1/min | — |
| Reference Speed (Nϑr) | — | 6,500 1/min | — |
| Minimum Chamfer Dimension (Rmin) | — | 0.3 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 9,100 N | — |
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