Cross-brand designation analysis
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You entered NU2338EM. This table explores the base group NU2338; it does not preserve or approve every requested suffix. Search your complete marking first →
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Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“NU2338” 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 2338 ECML190 × 400 × 132 mm | FAGNU2338-EX-TB-M1190 × 400 × 132 mm | TIMKENNU2338EMA190 × 400 × 132 mm | NSKNU2338EM190 × 400 × 132 mm | KOYONU2338190 × 400 × 132 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO |
| Designation | NU 2338 ECML | NU2338-EX-TB-M1 | NU2338EMA | NU2338EM | NU2338 |
| 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 | — | NU2338 | EX27766 | — | — |
| Bore diameterd | 190 mm | 190 mm | 190 mm | 190 mm | 190 mm |
| Outside diameterD | 400 mm | 400 mm | 400 mm | 400 mm | 400 mm |
| WidthB | 132 mm | 132 mm | 132 mm | 132 mm | 132 mm |
| Basic dynamic load ratingC | 1830 kN | 1890 kN | 2060 kN | 2170 kN | 1900 kN |
| Basic static load ratingC0 | 2550 kN | 2650 kN | 2500 kN | 2520 kN | 2220 kN |
| Fatigue load limitPu | 236 kN | 295 kN | — | — | 245 kN |
| Reference speednref | 1500 r/min | 1010 r/min | — | — | — |
| Limiting speednG | 3000 r/min | 2440 r/min | — | — | 1200 r/min |
| Mass≈m | 80.3 kg | 84.41 kg | 80.3 kg | — | 84.7 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 | Machined brass | — |
| Lubricant | None | — | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — | — |
| Boundary dimensions | |||||
| Bearing widthB | — | — | — | 132 mm | — |
| Minimum bearing chamferr min. | — | — | — | 5 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | — | 5 mm | — |
| Roller inscribed circle diameterFw | — | — | — | 240 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 | — | — | 0.1589 | — | — |
| Capabilities & suitability | |||||
| Radial load capacity | — | Yes | — | — | — |
| Suitable for grease lubrication | — | Yes | — | — | — |
| Suitable for oil lubrication | — | Yes | — | — | — |
| Unsealed design | — | Yes | — | — | — |
| Largebearing | — | Yes | — | — | — |
| Catalogue reference mass | |||||
| Approximate shared-row mass — not separately stated for each rib arrangement | — | — | — | 86.2 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 | — | 11 mm | — | — | — |
| Axial displacements | — | 0.433 in | — | — | — |
| Raceway diameter outer ringE | — | 360 mm | — | — | — |
| Raceway diameter outer ringE | — | 14.173 in | — | — | — |
| Raceway diameter inner ringF | — | 240 mm | — | — | — |
| Raceway diameter inner ringF | — | 9.449 in | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 336 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 13.228 in | — | — | — |
| Engineering — Abutment dimensions | |||||
| Diameter of spacer sleeved a | max. 234 mm | — | — | — | — |
| Diameter of shaft abutmentd b | min. 244 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 380 mm | — | — | — | — |
| Radius of filletr a | max. 4 mm | — | — | — | — |
| Radius of filletr b | 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 | ≈ 342.75 mm | — | — | — | — |
| Raceway diameter of inner ringF | 240 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 5 mm | — | — | — | — |
| Chamfer dimensionr 3,4 | min. 5 mm | — | — | — | — |
| Permissible axial displacements | max. 11 mm | — | — | — | — |
| Load ratings — standard cage | |||||
| Basic dynamic radial load ratingCr | — | — | — | 2170000 N | — |
| Basic static radial load ratingC0r | — | — | — | 2520000 N | — |
| Logistics | |||||
| Product net weight | 80.3 kg | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — |
| Lubrication-qualified speed — standard cage | |||||
| Thermal speed rating — oil bath | — | — | — | 1400 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | — | 2000 r/min | — |
| Limiting speed — grease | — | — | — | 1300 r/min | — |
| Limiting speed — oil bath | — | — | — | 1600 r/min | — |
| Main Dimensions & Performance Data | |||||
| Basic dynamic load rating, radialCr | — | 1,890,000 N | — | — | — |
| Basic dynamic load rating, radialCr | — | 424,910.072 lbf | — | — | — |
| Basic static load rating, radialC0r | — | 2,650,000 N | — | — | — |
| Basic static load rating, radialC0r | — | 595,773.381 lbf | — | — | — |
| Fatigue load limit, radialCur | — | 295,000 N | — | — | — |
| Fatigue load limit, radialCur | — | 66,321.942 lbf | — | — | — |
| Manufacturer Identity | |||||
| Schaeffler Product Code | — | 370675 | — | — | — |
| Material Number | — | — | 000000000190020460 | — | — |
| Official Class Key | — | — | — | — | 040-010-000 |
| Base Type | — | NU2338 | — | — | — |
| World Assembly Part Number | — | — | NU2338EMA | — | — |
| Gpsd Group | — | F01 | — | — | — |
| Inner Ring Part Number | — | — | 190ARUE23 | — | — |
| Product Line Id | — | 75 | — | — | — |
| Outer Ring Part Number | — | — | 190ERUE23 | — | — |
| Drawing Number | — | — | M104262 | — | — |
| Upc | — | — | 0087796303034 | — | — |
| Official Source System | — | — | CORE BP - DS DF | — | — |
| Official Last Run | — | — | 2026-08-23T20:02:47.403 | — | — |
| SAP material number | — | 0813677830000 | — | — | — |
| Base product | — | 2305090102 | — | — | — |
| Bearing X designation | — | NU2338-EX-TB-M1 | — | — | — |
| Mounting Manager ID | — | NU2338-EX-TB-M1 | — | — | — |
| Grease application ID | — | NU2338-EX-TB-M1 | — | — | — |
| Mounting dimensions | |||||
| Minimum diameter shaft shoulderda min | — | 210 mm | — | — | — |
| Minimum diameter shaft shoulderda min | — | 8.268 in | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 237.8 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 9.362 in | — | — | — |
| Minimum shaft shoulderdb min | — | 242.2 mm | — | — | — |
| Minimum shaft shoulderdb min | — | 9.535 in | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 380 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 14.961 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. | — | — | — | 210 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 380 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 235 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | — | 4 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 4 mm | — |
| 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 | 7.4803 in Bore | 15.7480 in OD | 5.1969 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 | 297.0 kg CO 2 e | — | — | — | — |
| Indicative carbon footprint for remanufactured product | 98.7 kg CO 2 e | — | — | — | — |
| Technical Data | |||||
| d | — | — | — | — | 400 mm |
| B | — | — | — | — | 132 mm |
| Bore Diameter (D) | — | 190 mm | — | — | — |
| R(Min.) | — | — | — | — | 5 mm |
| Outside Diamater (D) | — | 400 mm | — | — | — |
| R1(Min.) | — | — | — | — | 5 mm |
| Total Width (B) | — | 132 mm | — | — | — |
| Overall Width | — | — | 0.000 mm | — | — |
| Fw | — | — | — | — | 245 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 1,890,000 N | — | — | — |
| Radial Rating | — | — | 2,060,000 N | — | — |
| Ew | — | — | — | — | - mm |
| Basic Static Load Rating, Radial (C0R) | — | 2,650,000 N | — | — | — |
| Axial Rating | — | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 1900 kN |
| Raceway Diameter Inner Ring (F) | — | 240 mm | — | — | — |
| Dynamic Rating C1 | — | — | 2,060,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 2220 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — |
| Dynamic Rating C90 | — | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 245 kN |
| Minimum Diameter Shaft Shoulder (Da) | — | 210 mm | — | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 1200 min-1 |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 1800 min-1 |
| Limiting Speed (Limiting Spe) | — | 2,440 1/min | — | — | — |
| Static Radial Rating C0 | — | — | 2,500,000 N | — | — |
| Sd1 | — | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 1,010 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) | — | 380 mm | — | — | — |
| Da(Min.) | — | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 5 mm | — | — | — |
| Db(Min.) | — | — | — | — | - mm |
| Axial Displacement (S) | — | 11 mm | — | — | — |
| Db(Max.) | — | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 336 mm | — | — | — |
| Dc(Min.) | — | — | — | — | - mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 237.8 mm | — | — | — |
| Dd(Min.) | — | — | — | — | - mm |
| Maximum Recess Radius (Ra1 Max) | — | 4 mm | — | — | — |
| Da(Max.) | — | — | — | — | 380 mm |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm | — | — | — |
| Raceway Diameter Outer Ring (E) | — | 360 mm | — | — | — |
| Minimum Shaft Shoulder (Db Min) | — | 242.2 mm | — | — | — |
| Ra(Max.) | — | — | — | — | 4 mm |
| Fatigue Load Limit, Radial (Cur) | — | 295,000 N | — | — | — |
| Rb(Max.) | — | — | — | — | 4 mm |
| Mass(Refer.) | — | — | — | — | 84.7 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.