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| Parameter | INANUP2344-EX-TB-M1220 × 460 × 145 mm | KOYONUP2344220 × 460 × 145 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | INA | KOYO |
| Designation | NUP2344-EX-TB-M1 | NUP2344 |
| Product family | — | Single-row / NUP |
| Detailed type | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | NUP2344 | — |
| Bore diameterd | 220 mm | 220 mm |
| Outside diameterD | 460 mm | 460 mm |
| WidthB | 145 mm | 145 mm |
| Basic dynamic load ratingC | 2350 kN | 2260 kN |
| Basic static load ratingC0 | 3350 kN | 2690 kN |
| Fatigue load limitPu | 350 kN | 287 kN |
| Reference speednref | 830 r/min | — |
| Limiting speednG | 2110 r/min | 990 r/min |
| Mass≈m | 124 kg | 119 kg |
| Minimum operating temperatureTmin | -30 °C | — |
| Maximum operating temperatureTmax | 120 °C | — |
| Classification | ||
| Official Category Path | — | Cylindrical roller bearings - Single-row - NUP |
| Official Classification 1 | — | Cylindrical roller bearings / Single-row / NUP |
| Manufacturer Identity | ||
| Schaeffler Product Code | 1071143 | — |
| Official Class Key | — | 040-010-000 |
| Base Type | NUP2344 | — |
| Gpsd Group | F01 | — |
| Product Line Id | 75 | — |
| X Life Marking | XL | — |
| Product Identity | ||
| Construction | Cylindrical roller bearing NUP..-E-XL-TVP2, with cage, single row, locating bearing, 2 ribs on outer ring, 1 rib on inner ring, rib washer internal, type NUP | — |
| Short Description | Cylindrical roller bearing | — |
| Technical Data | ||
| d | — | 460 mm |
| B | — | 145 mm |
| R(Min.) | — | 5 mm |
| Bore Diameter (D) | 220 mm | — |
| R1(Min.) | — | 5 mm |
| Outside Diamater (D) | 460 mm | — |
| Fw | — | 284 mm |
| Total Width (B) | 145 mm | — |
| Ew | — | - mm |
| Basic Dynamic Load Rating, Radial (Cr) | 2,350,000 N | — |
| Basic Load Ratings : Cr | — | 2260 kN |
| Basic Static Load Rating, Radial (C0R) | 3,350,000 N | — |
| Basic Load Ratings : C0R | — | 2690 kN |
| Raceway Diameter Inner Ring (F) | 277 mm | — |
| Fatigue Load Limit : Cu | — | 287 kN |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Limiting Speeds(Grease Lub.) | — | 990 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | 240 mm | — |
| Limiting Speeds(Oil Lub.) | — | 1500 min-1 |
| Width Of Loose Rib (B3) | 20 mm | — |
| Sd1 | — | - mm |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| B1 | — | - mm |
| Limiting Speed (Limiting Spe) | 2,110 1/min | — |
| B2 | — | - mm |
| Minimum Shaft Shoulder (Dc Min) | 305.1 mm | — |
| Da(Min.) | — | 240 mm |
| Reference Speed (Nϑr) | 830 1/min | — |
| Db(Min.) | — | - mm |
| Maximum Recess Radius (Ra Max) | 4 mm | — |
| Db(Max.) | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | 440 mm | — |
| Dc(Min.) | — | - mm |
| Maximum Rib Diameter Inner Ring (D1) | 304.2 mm | — |
| Dd(Min.) | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | 5 mm | — |
| Da(Max.) | — | 440 mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | 385.8 mm | — |
| Minimum Chamfer Dimension (Rmin) | 5 mm | — |
| Raceway Diameter Outer Ring (E) | 413 mm | — |
| Ra(Max.) | — | 4 mm |
| Fatigue Load Limit, Radial (Cur) | 350,000 N | — |
| Rb(Max.) | — | 4 mm |
| Mass(Refer.) | — | 119 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.