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| Parameter | SKFNU 3068 MA340 × 520 × 133 mm | FAGNU3068-M1340 × 520 × 133 mm | TIMKENNU3068EMA340 × 520 × 133 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | TIMKEN |
| Designation | NU 3068 MA | NU3068-M1 | NU3068EMA |
| Product family | Cylindrical roller bearings | — | Cylindrical 1-Row |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU3068 | EX27643 |
| Bore diameterd | 340 mm | 340 mm | 340 mm |
| Outside diameterD | 520 mm | 520 mm | 520 mm |
| WidthB | 133 mm | 133 mm | 133 mm |
| Basic dynamic load ratingC | 2200 kN | 2140 kN | 2550 kN |
| Basic static load ratingC0 | 4150 kN | 4150 kN | 4280 kN |
| Fatigue load limitPu | 365 kN | 455 kN | — |
| Reference speednref | 1100 r/min | 650 r/min | — |
| Limiting speednG | 1700 r/min | 2010 r/min | — |
| Mass≈m | 114 kg | 104.3 kg | 105 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 | — | — | 0.2253 |
| Capabilities & suitability | |||
| Radial load capacity | — | Yes | — |
| Suitable for grease lubrication | — | Yes | — |
| Suitable for oil lubrication | — | Yes | — |
| Unsealed design | — | Yes | — |
| 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 | — | 12 mm | — |
| Axial displacements | — | 0.472 in | — |
| Raceway diameter outer ringE | — | 475 mm | — |
| Raceway diameter outer ringE | — | 18.701 in | — |
| Raceway diameter inner ringF | — | 385 mm | — |
| Raceway diameter inner ringF | — | 15.157 in | — |
| Minimum rib diameter outer ringD1 min | — | 458.2 mm | — |
| Minimum rib diameter outer ringD1 min | — | 18.039 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of spacer sleeved a | max. 380 mm | — | — |
| Diameter of shaft abutmentd b | min. 389 mm | — | — |
| Diameter of housing abutmentD a | max. 502 mm | — | — |
| Radius of filletr a | max. 4 mm | — | — |
| Radius of filletr b | max. 4 mm | — | — |
| Engineering — Calculation data | |||
| Minimum load factork r | 0.15 | — | — |
| Limiting valuee | 0.3 | — | — |
| Calculation factorY | 0.4 | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter of outer ringD 1 | ≈ 465 mm | — | — |
| Raceway diameter of inner ringF | 385 mm | — | — |
| Chamfer dimensionr 1,2 | min. 5 mm | — | — |
| Permissible axial displacements | max. 7 mm | — | — |
| Logistics | |||
| Product net weight | 114.0 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 2,140,000 N | — |
| Basic dynamic load rating, radialCr | — | 481,115.108 lbf | — |
| Basic static load rating, radialC0r | — | 4,150,000 N | — |
| Basic static load rating, radialC0r | — | 933,003.597 lbf | — |
| Fatigue load limit, radialCur | — | 455,000 N | — |
| Fatigue load limit, radialCur | — | 102,293.165 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 369147 | — |
| Material Number | — | — | 000000000190016128 |
| Base Type | — | NU3068 | — |
| World Assembly Part Number | — | — | NU3068EMA |
| Old Designation | — | ["NU3068M1","NU3068M"] | — |
| Inner Ring Part Number | — | — | 340ARUE30 |
| Gpsd Group | — | F01 | — |
| Outer Ring Part Number | — | — | 340ERUE30 |
| Product Line Id | — | 75 | — |
| Drawing Number | — | — | M101752 |
| Upc | — | — | 0053893769745 |
| Official Source System | — | — | CORE BP - DS DF |
| Official Last Run | — | — | 2026-08-23T20:02:47.757 |
| SAP material number | — | 0192472570000 | — |
| Base product | — | 2305090102 | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 357 mm | — |
| Minimum diameter shaft shoulderda min | — | 14.055 in | — |
| Maximum diameter of shaft shoulderda max | — | 380 mm | — |
| Maximum diameter of shaft shoulderda max | — | 14.961 in | — |
| Minimum shaft shoulderdb min | — | 390 mm | — |
| Minimum shaft shoulderdb min | — | 15.354 in | — |
| Maximum diameter of housing shoulderDa max | — | 503 mm | — |
| Maximum diameter of housing shoulderDa max | — | 19.803 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 | |||
| Design | — | Standard | — |
| 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 NU..-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 | 13.3858 in Bore | 20.4724 in OD | 5.2362 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 | 422.0 kg CO 2 e | — | — |
| Indicative carbon footprint for remanufactured product | 140.0 kg CO 2 e | — | — |
| Technical Data | |||
| Bore Diameter (D) | — | 340 mm | — |
| Outside Diamater (D) | — | 520 mm | — |
| Overall Width | — | — | 0.000 mm |
| Total Width (B) | — | 133 mm | — |
| Radial Rating | — | — | 2,550,000 N |
| Basic Dynamic Load Rating, Radial (Cr) | — | 2,140,000 N | — |
| Axial Rating | — | — | 0 N |
| Basic Static Load Rating, Radial (C0R) | — | 4,150,000 N | — |
| Dynamic Rating C1 | — | — | 2,550,000 N |
| Raceway Diameter Inner Ring (F) | — | 385 mm | — |
| Dynamic Rating C90 | — | — | 0 N |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N |
| Minimum Diameter Shaft Shoulder (Da) | — | 357 mm | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N |
| Operating Temperature Max. (Tmax) | — | 150 °C | — |
| Static Radial Rating C0 | — | — | 4,280,000 N |
| Limiting Speed (Limiting Spe) | — | 2,010 1/min | — |
| Extended Dynamic Rating Ce | — | — | 0 N |
| Reference Speed (Nϑr) | — | 650 1/min | — |
| Static Axial Rating C0A | — | — | 0 N |
| Maximum Recess Radius (Ra Max) | — | 4 mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 503 mm | — |
| Minimum Chamfer Dimension (R1 Min) | — | 5 mm | — |
| Axial Displacement (S) | — | 12 mm | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 458.2 mm | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 380 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 4 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm | — |
| Raceway Diameter Outer Ring (E) | — | 475 mm | — |
| Minimum Shaft Shoulder (Db Min) | — | 390 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 455,000 N | — |
| 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.