Cross-brand designation analysis
COMPARE / VERIFY
Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“NU2238” 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 2238 ECM190 × 340 × 92 mm | FAGNU2238-E-M1190 × 340 × 92 mm | TIMKENNU2238EMA190 × 340 × 92 mm | NSKNU2238EM190 × 340 × 92 mm | KOYONU2238190 × 340 × 92 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO |
| Designation | NU 2238 ECM | NU2238-E-M1 | NU2238EMA | NU2238EM | NU2238 |
| 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 | — | NU2238 | EX27735 | — | — |
| Bore diameterd | 190 mm | 190 mm | 190 mm | 190 mm | 190 mm |
| Outside diameterD | 340 mm | 340 mm | 340 mm | 340 mm | 340 mm |
| WidthB | 92 mm | 92 mm | 92 mm | 92 mm | 92 mm |
| Basic dynamic load ratingC | 1220 kN | 1090 kN | 1250 kN | 1360 kN | 1040 kN |
| Basic static load ratingC0 | 1600 kN | 1650 kN | 1680 kN | 1670 kN | 1290 kN |
| Fatigue load limitPu | 160 kN | 206 kN | — | — | 146 kN |
| Reference speednref | 2000 r/min | 1290 r/min | — | — | — |
| Limiting speednG | 2200 r/min | 3000 r/min | — | — | 1500 r/min |
| Mass≈m | 38 kg | 36.48 kg | 37.1 kg | — | 37 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 | — | — | — | 92 mm | — |
| Minimum bearing chamferr min. | — | — | — | 4 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | — | 4 mm | — |
| Roller inscribed circle diameterFw | — | — | — | 228 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 | — | — | 0.1469 | — | — |
| 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 | — | — | — | 38.3 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 | — | — | — | Catalogue asterisk: optimized crowning may be available; not verified as fitted | — |
| Dimensions | |||||
| Minimum chamfer dimensionrmin | — | 4 mm | — | — | — |
| Minimum chamfer dimensionrmin | — | 0.157 in | — | — | — |
| Minimum chamfer dimensionr1 min | — | 4 mm | — | — | — |
| Minimum chamfer dimensionr1 min | — | 0.157 in | — | — | — |
| Axial displacements | — | 8 mm | — | — | — |
| Axial displacements | — | 0.315 in | — | — | — |
| Raceway diameter outer ringE | — | 308 mm | — | — | — |
| Raceway diameter outer ringE | — | 12.126 in | — | — | — |
| Raceway diameter inner ringF | — | 228 mm | — | — | — |
| Raceway diameter inner ringF | — | 8.976 in | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 296.4 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 11.669 in | — | — | — |
| Engineering — Abutment dimensions | |||||
| Diameter of spacer sleeved a | max. 224 mm | — | — | — | — |
| Diameter of shaft abutmentd b | min. 231 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 321.9 mm | — | — | — | — |
| Radius of filletr a | max. 3 mm | — | — | — | — |
| Radius of filletr b | max. 3 mm | — | — | — | — |
| Engineering — Calculation data | |||||
| SKF performance class | SKF Explorer | — | — | — | — |
| Minimum load factork r | 0.2 | — | — | — | — |
| Limiting valuee | 0.3 | — | — | — | — |
| Calculation factorY | 0.4 | — | — | — | — |
| Engineering — Dimensions | |||||
| Shoulder diameter of outer ringD 1 | ≈ 295.2 mm | — | — | — | — |
| Raceway diameter of inner ringF | 228 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — | — | — | — |
| Chamfer dimensionr 3,4 | min. 4 mm | — | — | — | — |
| Permissible axial displacements | max. 5 mm | — | — | — | — |
| Load ratings — standard cage | |||||
| Basic dynamic radial load ratingCr | — | — | — | 1360000 N | — |
| Basic static radial load ratingC0r | — | — | — | 1670000 N | — |
| Logistics | |||||
| Product net weight | 38.0 kg | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — |
| Lubrication-qualified speed — standard cage | |||||
| Thermal speed rating — oil bath | — | — | — | 1900 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | — | 3000 r/min | — |
| Limiting speed — grease | — | — | — | 1600 r/min | — |
| Limiting speed — oil bath | — | — | — | 2000 r/min | — |
| Main Dimensions & Performance Data | |||||
| Basic dynamic load rating, radialCr | — | 1,090,000 N | — | — | — |
| Basic dynamic load rating, radialCr | — | 245,053.957 lbf | — | — | — |
| Basic static load rating, radialC0r | — | 1,650,000 N | — | — | — |
| Basic static load rating, radialC0r | — | 370,953.237 lbf | — | — | — |
| Fatigue load limit, radialCur | — | 206,000 N | — | — | — |
| Fatigue load limit, radialCur | — | 46,312.95 lbf | — | — | — |
| Manufacturer Identity | |||||
| Schaeffler Product Code | — | 367799 | — | — | — |
| Material Number | — | — | 000000000190019600 | — | — |
| Official Class Key | — | — | — | — | 040-010-000 |
| Base Type | — | NU2238 | — | — | — |
| World Assembly Part Number | — | — | NU2238EMA | — | — |
| Gpsd Group | — | F01 | — | — | — |
| Inner Ring Part Number | — | — | 190ARUE22 | — | — |
| Product Line Id | — | 75 | — | — | — |
| Outer Ring Part Number | — | — | 190ERUE22 | — | — |
| X Life Marking | — | n.r. | — | — | — |
| Drawing Number | — | — | M103593 | — | — |
| Upc | — | — | 0053893774084 | — | — |
| Official Source System | — | — | CORE BP - DS DF | — | — |
| Official Last Run | — | — | 2026-08-23T20:02:48.513 | — | — |
| SAP material number | — | 0167388020000 | — | — | — |
| Base product | — | 2305090102 | — | — | — |
| Bearing X designation | — | NU2238-E-M1 | — | — | — |
| Mounting Manager ID | — | NU2238-E-M1 | — | — | — |
| Grease application ID | — | NU2238-E-M1 | — | — | — |
| Mounting dimensions | |||||
| Minimum diameter shaft shoulderda min | — | 207 mm | — | — | — |
| Minimum diameter shaft shoulderda min | — | 8.15 in | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 227 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 8.937 in | — | — | — |
| Minimum shaft shoulderdb min | — | 234 mm | — | — | — |
| Minimum shaft shoulderdb min | — | 9.213 in | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 323 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 12.717 in | — | — | — |
| Maximum recess radiusra max | — | 3 mm | — | — | — |
| Maximum recess radiusra max | — | 0.118 in | — | — | — |
| Maximum recess radiusra1 max | — | 3 mm | — | — | — |
| Maximum recess radiusra1 max | — | 0.118 in | — | — | — |
| Mounting dimensions — shown arrangement | |||||
| Minimum shaft shoulder diameterdb min. | — | — | — | 206 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 324 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 223 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | — | 3 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 3 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-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 | 13.3858 in OD | 3.6220 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 | 141.0 kg CO 2 e | — | — | — | — |
| Indicative carbon footprint for remanufactured product | 46.7 kg CO 2 e | — | — | — | — |
| Technical Data | |||||
| d | — | — | — | — | 340 mm |
| B | — | — | — | — | 92 mm |
| R(Min.) | — | — | — | — | 4 mm |
| Bore Diameter (D) | — | 190 mm | — | — | — |
| R1(Min.) | — | — | — | — | 4 mm |
| Outside Diamater (D) | — | 340 mm | — | — | — |
| Overall Width | — | — | 0.000 mm | — | — |
| Fw | — | — | — | — | 231 mm |
| Total Width (B) | — | 92 mm | — | — | — |
| Radial Rating | — | — | 1,250,000 N | — | — |
| Ew | — | — | — | — | - mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 1,090,000 N | — | — | — |
| Axial Rating | — | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 1040 kN |
| Basic Static Load Rating, Radial (C0R) | — | 1,650,000 N | — | — | — |
| Dynamic Rating C1 | — | — | 1,250,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 1290 kN |
| Raceway Diameter Inner Ring (F) | — | 228 mm | — | — | — |
| Dynamic Rating C90 | — | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 146 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 1500 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | — | 207 mm | — | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 2000 min-1 |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — |
| Static Radial Rating C0 | — | — | 1,680,000 N | — | — |
| Sd1 | — | — | — | — | - mm |
| Limiting Speed (Limiting Spe) | — | 3,000 1/min | — | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — | — |
| B1 | — | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 1,290 1/min | — | — | — |
| Static Axial Rating C0A | — | — | 0 N | — | — |
| B2 | — | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 3 mm | — | — | — |
| Da(Min.) | — | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 323 mm | — | — | — |
| Db(Min.) | — | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 4 mm | — | — | — |
| Db(Max.) | — | — | — | — | - mm |
| Axial Displacement (S) | — | 8 mm | — | — | — |
| Dc(Min.) | — | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 296.4 mm | — | — | — |
| Dd(Min.) | — | — | — | — | - mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 227 mm | — | — | — |
| Da(Max.) | — | — | — | — | 324 mm |
| Maximum Recess Radius (Ra1 Max) | — | 3 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 4 mm | — | — | — |
| Raceway Diameter Outer Ring (E) | — | 308 mm | — | — | — |
| Ra(Max.) | — | — | — | — | 3 mm |
| Minimum Shaft Shoulder (Db Min) | — | 234 mm | — | — | — |
| Rb(Max.) | — | — | — | — | 3 mm |
| Fatigue Load Limit, Radial (Cur) | — | 206,000 N | — | — | — |
| Mass(Refer.) | — | — | — | — | 37.0 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.