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You entered NU-340-ECML. This table explores the base group NU340; it does not preserve or approve every requested suffix. Search your complete marking first →
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Dimensions verified
“NU340” across 5 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKFNU 340 ECML200 × 420 × 80 mm | FAGNU340-E-M1A200 × 420 × 80 mm | TIMKENNU340EMA200 × 420 × 80 mm | NSKNU340EM200 × 420 × 80 mm | KOYONU340200 × 420 × 80 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO |
| Designation | NU 340 ECML | NU340-E-M1A | NU340EMA | NU340EM | NU340 |
| Product family | Cylindrical roller bearings | — | Cylindrical 1-Row | Cylindrical roller bearing | Single-row / NU |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU340 | EX27724 | — | — |
| Bore diameterd | 200 mm | 200 mm | 200 mm | 200 mm | 200 mm |
| Outside diameterD | 420 mm | 420 mm | 420 mm | 420 mm | 420 mm |
| WidthB | 80 mm | 80 mm | 80 mm | 80 mm | 80 mm |
| Basic dynamic load ratingC | 1230 kN | 1180 kN | 1360 kN | 1400 kN | 1220 kN |
| Basic static load ratingC0 | 1630 kN | 1520 kN | 1580 kN | 1450 kN | 1270 kN |
| Fatigue load limitPu | 150 kN | 116 kN | — | — | 145 kN |
| Reference speednref | 1400 r/min | 1320 r/min | — | — | — |
| Limiting speednG | 2800 r/min | 2410 r/min | — | — | 1200 r/min |
| Mass≈m | 57.2 kg | 58.5 kg | 55.8 kg | — | 56.2 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — | — |
| Sealing | Without | — | Open | — | — |
| Cage | Machined brass | M1A — Two Piece Brass Cage Lip guided | Window Brass cage | Machined brass | — |
| Lubricant | None | — | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — | — |
| Boundary dimensions | |||||
| Bearing widthB | — | — | — | 80 mm | — |
| Minimum bearing chamferr min. | — | — | — | 5 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | — | 5 mm | — |
| Roller inscribed circle diameterFw | — | — | — | 258 mm | — |
| Calculation Factors | |||||
| K Factor | — | — | 0.00 | — | — |
| Y1 Factor | — | — | 0.00 | — | — |
| Y2 Factor | — | — | 0.00 | — | — |
| Y0 Factor | — | — | 0.00 | — | — |
| E Factor | — | — | 0.00 | — | — |
| Cg Factor | — | — | 0.1468 | — | — |
| Capabilities & suitability | |||||
| Radial load capacity | — | Yes | — | — | — |
| Suitable for grease lubrication | — | Yes | — | — | — |
| Suitable for oil lubrication | — | Yes | — | — | — |
| Unsealed design | — | Yes | — | — | — |
| Catalogue reference mass | |||||
| Approximate shared-row mass — not separately stated for each rib arrangement | — | — | — | 57.1 kg | — |
| Classification | |||||
| Official Category Path | — | — | — | — | Cylindrical roller bearings - Single-row - NU |
| Official Classification 1 | — | — | — | — | Cylindrical roller bearings / Single-row / NU |
| Construction | |||||
| Single-row construction type | — | — | — | NU | — |
| Rib arrangement | — | — | — | Two outer-ring ribs; ribless inner ring | — |
| Standard cage material | — | — | — | Machined brass | — |
| Standard cage marking | — | — | — | M | — |
| Other cage codes listed for this catalogue row | — | — | — | None listed in this row | — |
| Precision — designation omission rule | — | — | — | ISO Normal when no precision suffix is specified | — |
| Clearance identification — verify interchangeability | — | — | — | No clearance suffix shown. CN omission applies to interchangeable designs; do not infer a numerical clearance. | — |
| Optimized crowning note | — | — | — | No optimized-crowning asterisk on this row | — |
| 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 | — | 6.3 mm | — | — | — |
| Axial displacements | — | 0.248 in | — | — | — |
| Raceway diameter outer ringE | — | 370 mm | — | — | — |
| Raceway diameter outer ringE | — | 14.567 in | — | — | — |
| Raceway diameter inner ringF | — | 258 mm | — | — | — |
| Raceway diameter inner ringF | — | 10.157 in | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 351.8 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 13.85 in | — | — | — |
| Engineering — Abutment dimensions | |||||
| Diameter of spacer sleeved a | max. 253 mm | — | — | — | — |
| Diameter of shaft abutmentd b | min. 262 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 399.8 mm | — | — | — | — |
| Radius of filletr a | max. 4 mm | — | — | — | — |
| Radius of filletr b | max. 4 mm | — | — | — | — |
| Engineering — Calculation data | |||||
| Minimum load factork r | 0.23 | — | — | — | — |
| Limiting valuee | 0.2 | — | — | — | — |
| Calculation factorY | 0.6 | — | — | — | — |
| Engineering — Dimensions | |||||
| Shoulder diameter of outer ringD 1 | ≈ 352.4 mm | — | — | — | — |
| Raceway diameter of inner ringF | 258 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 5 mm | — | — | — | — |
| Chamfer dimensionr 3,4 | min. 5 mm | — | — | — | — |
| Permissible axial displacements | max. 6 mm | — | — | — | — |
| Load ratings — standard cage | |||||
| Basic dynamic radial load ratingCr | — | — | — | 1400000 N | — |
| Basic static radial load ratingC0r | — | — | — | 1450000 N | — |
| Logistics | |||||
| Product net weight | 57.2 kg | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — |
| Lubrication-qualified speed — standard cage | |||||
| Thermal speed rating — oil bath | — | — | — | 1500 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | — | 2600 r/min | — |
| Limiting speed — grease | — | — | — | 1300 r/min | — |
| Limiting speed — oil bath | — | — | — | 1600 r/min | — |
| Main Dimensions & Performance Data | |||||
| Basic dynamic load rating, radialCr | — | 1,180,000 N | — | — | — |
| Basic dynamic load rating, radialCr | — | 265,287.77 lbf | — | — | — |
| Basic static load rating, radialC0r | — | 1,520,000 N | — | — | — |
| Basic static load rating, radialC0r | — | 341,726.619 lbf | — | — | — |
| Fatigue load limit, radialCur | — | 116,000 N | — | — | — |
| Fatigue load limit, radialCur | — | 26,079.137 lbf | — | — | — |
| Manufacturer Identity | |||||
| Schaeffler Product Code | — | 367923 | — | — | — |
| Material Number | — | — | 000000000190019371 | — | — |
| Official Class Key | — | — | — | — | 040-010-000 |
| Base Type | — | NU340 | — | — | — |
| World Assembly Part Number | — | — | NU340EMA | — | — |
| Old Designation | — | ["NU340E.M1A","NU340MA"] | — | — | — |
| Inner Ring Part Number | — | — | 200ARUE03 | — | — |
| Gpsd Group | — | F01 | — | — | — |
| Outer Ring Part Number | — | — | 200ERUE03 | — | — |
| Product Line Id | — | 75 | — | — | — |
| Drawing Number | — | — | M103437 | — | — |
| Upc | — | — | 0053893774336 | — | — |
| Official Source System | — | — | CORE BP - DS DF | — | — |
| Official Last Run | — | — | 2026-08-23T20:02:46.143 | — | — |
| SAP material number | — | 0390442620000 | — | — | — |
| Base product | — | 2305090102 | — | — | — |
| Mounting dimensions | |||||
| Minimum diameter shaft shoulderda min | — | 220 mm | — | — | — |
| Minimum diameter shaft shoulderda min | — | 8.661 in | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 255 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 10.039 in | — | — | — |
| Minimum shaft shoulderdb min | — | 261 mm | — | — | — |
| Minimum shaft shoulderdb min | — | 10.276 in | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 400 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 15.748 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 | — | — | — |
| Mounting dimensions — shown arrangement | |||||
| Minimum shaft shoulder diameterdb min. | — | — | — | 220 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 400 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 252 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | — | 4 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 4 mm | — |
| Product characteristics | |||||
| DesignE | — | Increased Capacity Design | — | — | — |
| 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..-E-M1A, 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 | 7.8740 in Bore | 16.5354 in OD | 3.1496 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 | 212.0 kg CO 2 e | — | — | — | — |
| Indicative carbon footprint for remanufactured product | 70.4 kg CO 2 e | — | — | — | — |
| Technical Data | |||||
| d | — | — | — | — | 420 mm |
| B | — | — | — | — | 80 mm |
| R(Min.) | — | — | — | — | 5 mm |
| Bore Diameter (D) | — | 200 mm | — | — | — |
| R1(Min.) | — | — | — | — | 5 mm |
| Outside Diamater (D) | — | 420 mm | — | — | — |
| Overall Width | — | — | 0.000 mm | — | — |
| Fw | — | — | — | — | 260 mm |
| Total Width (B) | — | 80 mm | — | — | — |
| Radial Rating | — | — | 1,360,000 N | — | — |
| Ew | — | — | — | — | - mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 1,180,000 N | — | — | — |
| Axial Rating | — | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 1220 kN |
| Basic Static Load Rating, Radial (C0R) | — | 1,520,000 N | — | — | — |
| Dynamic Rating C1 | — | — | 1,360,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 1270 kN |
| Raceway Diameter Inner Ring (F) | — | 258 mm | — | — | — |
| Dynamic Rating C90 | — | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 145 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 1200 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | — | 220 mm | — | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 1700 min-1 |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — |
| Static Radial Rating C0 | — | — | 1,580,000 N | — | — |
| Sd1 | — | — | — | — | - mm |
| Limiting Speed (Limiting Spe) | — | 2,410 1/min | — | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — | — |
| B1 | — | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 1,320 1/min | — | — | — |
| Static Axial Rating C0A | — | — | 0 N | — | — |
| B2 | — | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 4 mm | — | — | — |
| Da(Min.) | — | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 400 mm | — | — | — |
| Db(Min.) | — | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 5 mm | — | — | — |
| Db(Max.) | — | — | — | — | - mm |
| Axial Displacement (S) | — | 6.3 mm | — | — | — |
| Dc(Min.) | — | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 351.8 mm | — | — | — |
| Dd(Min.) | — | — | — | — | - mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 255 mm | — | — | — |
| Da(Max.) | — | — | — | — | 400 mm |
| Maximum Recess Radius (Ra1 Max) | — | 4 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm | — | — | — |
| Raceway Diameter Outer Ring (E) | — | 370 mm | — | — | — |
| Ra(Max.) | — | — | — | — | 4 mm |
| Minimum Shaft Shoulder (Db Min) | — | 261 mm | — | — | — |
| Rb(Max.) | — | — | — | — | 4 mm |
| Fatigue Load Limit, Radial (Cur) | — | 116,000 N | — | — | — |
| Mass(Refer.) | — | — | — | — | 56.2 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 | — | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.