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| Parameter | SKFNU 2348 ECMA240 × 500 × 155 mm | FAGNU2348-EX-TB-M1240 × 500 × 155 mm | TIMKENNU2348EMA240 × 500 × 155 mm | KOYONU2348240 × 500 × 155 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | TIMKEN | KOYO |
| Designation | NU 2348 ECMA | NU2348-EX-TB-M1 | NU2348EMA | NU2348 |
| Product family | Cylindrical roller bearings | — | Cylindrical 1-Row | Single-row / NU |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU2348 | EX27772 | — |
| Bore diameterd | 240 mm | 240 mm | 240 mm | 240 mm |
| Outside diameterD | 500 mm | 500 mm | 500 mm | 500 mm |
| WidthB | 155 mm | 155 mm | 155 mm | 155 mm |
| Basic dynamic load ratingC | 2600 kN | 2600 kN | 2970 kN | 2710 kN |
| Basic static load ratingC0 | 3650 kN | 3750 kN | 3760 kN | 3320 kN |
| Fatigue load limitPu | 320 kN | 380 kN | — | 346 kN |
| Reference speednref | 1200 r/min | 750 r/min | — | — |
| Limiting speednG | 2000 r/min | 1940 r/min | — | 880 r/min |
| Mass≈m | 154 kg | 149.31 kg | 153 kg | 152 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — |
| Sealing | Without | — | Open | — |
| Cage | Machined brass | M1 — Two Piece Brass Cage Roller Guided | Window Brass cage | — |
| Lubricant | None | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — |
| Calculation Factors | ||||
| K Factor | — | — | 0.00 | — |
| Y1 Factor | — | — | 0.00 | — |
| Y2 Factor | — | — | 0.00 | — |
| Y0 Factor | — | — | 0.00 | — |
| E Factor | — | — | 0.00 | — |
| Cg Factor | — | — | 0.1894 | — |
| Capabilities & suitability | ||||
| Radial load capacity | — | Yes | — | — |
| Suitable for grease lubrication | — | Yes | — | — |
| Suitable for oil lubrication | — | Yes | — | — |
| Unsealed design | — | Yes | — | — |
| Largebearing | — | Yes | — | — |
| Classification | ||||
| Official Category Path | — | — | — | Cylindrical roller bearings - Single-row - NU |
| Official Classification 1 | — | — | — | Cylindrical roller bearings / Single-row / NU |
| Dimensions | ||||
| Minimum chamfer dimensionrmin | — | 5 mm | — | — |
| Minimum chamfer dimensionrmin | — | 0.197 in | — | — |
| Minimum chamfer dimensionr1 min | — | 5 mm | — | — |
| Minimum chamfer dimensionr1 min | — | 0.197 in | — | — |
| Axial displacements | — | 13.3 mm | — | — |
| Axial displacements | — | 0.524 in | — | — |
| Raceway diameter outer ringE | — | 447 mm | — | — |
| Raceway diameter outer ringE | — | 17.598 in | — | — |
| Raceway diameter inner ringF | — | 303 mm | — | — |
| Raceway diameter inner ringF | — | 11.929 in | — | — |
| Minimum rib diameter outer ringD1 min | — | 418.2 mm | — | — |
| Minimum rib diameter outer ringD1 min | — | 16.465 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of spacer sleeved a | max. 293 mm | — | — | — |
| Diameter of shaft abutmentd b | min. 305 mm | — | — | — |
| Diameter of housing abutmentD a | max. 480 mm | — | — | — |
| Radius of filletr a | max. 4 mm | — | — | — |
| Engineering — Calculation data | ||||
| Minimum load factork r | 0.38 | — | — | — |
| Limiting valuee | 0.3 | — | — | — |
| Calculation factorY | 0.4 | — | — | — |
| Engineering — Dimensions | ||||
| Shoulder diameter of outer ringD 1 | ≈ 425 mm | — | — | — |
| Raceway diameter of inner ringF | 299 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 5 mm | — | — | — |
| Permissible axial displacements | max. 6.4 mm | — | — | — |
| Logistics | ||||
| Product net weight | 154.0 kg | — | — | — |
| eClass code | 23-05-09-01 | — | — | — |
| UNSPSC code | 31171505 | — | — | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 2,600,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 584,532.374 lbf | — | — |
| Basic static load rating, radialC0r | — | 3,750,000 N | — | — |
| Basic static load rating, radialC0r | — | 843,075.54 lbf | — | — |
| Fatigue load limit, radialCur | — | 380,000 N | — | — |
| Fatigue load limit, radialCur | — | 85,431.655 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 370688 | — | — |
| Material Number | — | — | 000000000190020697 | — |
| Official Class Key | — | — | — | 040-010-000 |
| Base Type | — | NU2348 | — | — |
| World Assembly Part Number | — | — | NU2348EMA | — |
| Gpsd Group | — | F01 | — | — |
| Inner Ring Part Number | — | — | 240ARUE23 | — |
| Product Line Id | — | 75 | — | — |
| Outer Ring Part Number | — | — | 240ERUE23 | — |
| Drawing Number | — | — | M104390 | — |
| Upc | — | — | 0087796313569 | — |
| Official Source System | — | — | CORE BP - DS DF | — |
| Official Last Run | — | — | 2026-08-23T20:02:47.757 | — |
| SAP material number | — | 0813753600000 | — | — |
| Base product | — | 2305090102 | — | — |
| Bearing X designation | — | NU2348-EX-TB-M1 | — | — |
| Mounting Manager ID | — | NU2348-EX-TB-M1 | — | — |
| Grease application ID | — | NU2348-EX-TB-M1 | — | — |
| Mounting dimensions | ||||
| Minimum diameter shaft shoulderda min | — | 260 mm | — | — |
| Minimum diameter shaft shoulderda min | — | 10.236 in | — | — |
| Maximum diameter of shaft shoulderda max | — | 300.5 mm | — | — |
| Maximum diameter of shaft shoulderda max | — | 11.831 in | — | — |
| Minimum shaft shoulderdb min | — | 305.5 mm | — | — |
| Minimum shaft shoulderdb min | — | 12.028 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 480 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 18.898 in | — | — |
| Maximum recess radiusra max | — | 4 mm | — | — |
| Maximum recess radiusra max | — | 0.157 in | — | — |
| Maximum recess radiusra1 max | — | 4 mm | — | — |
| Maximum recess radiusra1 max | — | 0.157 in | — | — |
| Product characteristics | ||||
| DesignEX | — | Increased Capacity Design Design Modified | — | — |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance | — | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — | — |
| Number of rows1 | — | Single-row design | — | — |
| Product identity | ||||
| Official product category | Cylindrical roller bearings | — | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/single-row-cylindrical-roller-bearings | — | — | — |
| Structure group ID | BC1_001_101 | — | — | — |
| Available from SKF | Yes | — | — | — |
| Remanufacturable | Yes | — | — | — |
| Product Identity | ||||
| Construction | — | Cylindrical roller bearing NU2..-M1, with cage, single row, non-locating bearing, 2 ribs on outer ring, 0 ribs on inner ring (smooth), type NU, Running accuracy in P6 | Single Row Cylindrical Roller Bearing | Imperial Series | 9.4488 in Bore | 19.6850 in OD | 6.1024 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C0 Clearance | — |
| Short Description | — | Cylindrical roller bearing | — | — |
| Type Description | — | — | Cylindrical 1-Row | — |
| Number Of Rows | 1 | — | 1 | — |
| Tapered Bore | — | — | N | — |
| Properties | ||||
| Bearing part | Complete bearing | — | — | — |
| Axial displacement capability | In both directions | — | — | — |
| Locating feature, bearing outer ring | Without | — | — | — |
| Bore type | Cylindrical | — | — | — |
| Number of flanges, outer ring | 2 | — | — | — |
| Number of flanges, inner ring | 0 | — | — | — |
| Loose flange | None | — | — | — |
| Radial internal clearance | CN | — | — | — |
| Tolerance class | Normal | — | — | — |
| Coating | Without | — | — | — |
| Relubrication feature | Without | — | — | — |
| Candidate for remanufacturing | Yes | — | — | — |
| Indicative carbon footprint for new product | 570.0 kg CO 2 e | — | — | — |
| Indicative carbon footprint for remanufactured product | 189.0 kg CO 2 e | — | — | — |
| Technical Data | ||||
| d | — | — | — | 500 mm |
| B | — | — | — | 155 mm |
| Bore Diameter (D) | — | 240 mm | — | — |
| R(Min.) | — | — | — | 5 mm |
| Outside Diamater (D) | — | 500 mm | — | — |
| R1(Min.) | — | — | — | 5 mm |
| Total Width (B) | — | 155 mm | — | — |
| Overall Width | — | — | 0.000 mm | — |
| Fw | — | — | — | 310 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 2,600,000 N | — | — |
| Radial Rating | — | — | 2,970,000 N | — |
| Ew | — | — | — | - mm |
| Basic Static Load Rating, Radial (C0R) | — | 3,750,000 N | — | — |
| Axial Rating | — | — | 0 N | — |
| Basic Load Ratings : Cr | — | — | — | 2710 kN |
| Raceway Diameter Inner Ring (F) | — | 303 mm | — | — |
| Dynamic Rating C1 | — | — | 2,970,000 N | — |
| Basic Load Ratings : C0R | — | — | — | 3320 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Dynamic Rating C90 | — | — | 0 N | — |
| Fatigue Load Limit : Cu | — | — | — | 346 kN |
| Minimum Diameter Shaft Shoulder (Da) | — | 260 mm | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 880 min-1 |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 1300 min-1 |
| Limiting Speed (Limiting Spe) | — | 1,940 1/min | — | — |
| Static Radial Rating C0 | — | — | 3,760,000 N | — |
| Sd1 | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 750 1/min | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — |
| B1 | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 4 mm | — | — |
| Static Axial Rating C0A | — | — | 0 N | — |
| B2 | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 480 mm | — | — |
| Da(Min.) | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 5 mm | — | — |
| Db(Min.) | — | — | — | - mm |
| Axial Displacement (S) | — | 13.3 mm | — | — |
| Db(Max.) | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 418.2 mm | — | — |
| Dc(Min.) | — | — | — | - mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 300.5 mm | — | — |
| Dd(Min.) | — | — | — | - mm |
| Maximum Recess Radius (Ra1 Max) | — | 4 mm | — | — |
| Da(Max.) | — | — | — | 480 mm |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm | — | — |
| Raceway Diameter Outer Ring (E) | — | 447 mm | — | — |
| Minimum Shaft Shoulder (Db Min) | — | 305.5 mm | — | — |
| Ra(Max.) | — | — | — | 4 mm |
| Fatigue Load Limit, Radial (Cur) | — | 380,000 N | — | — |
| Rb(Max.) | — | — | — | 4 mm |
| Mass(Refer.) | — | — | — | 152 kg |
| Temperature range | ||||
| Operating temperature min.Tmin | — | -30 °C | — | — |
| Operating temperature min.Tmin | — | -22 °F | — | — |
| Operating temperature max.Tmax | — | 150 °C | — | — |
| Operating temperature max.Tmax | — | 302 °F | — | — |
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.