Cross-brand designation analysis
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Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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You entered NU2318EMAC3. This table explores the base group NU2318; it does not preserve or approve every requested suffix. Search your complete marking first →
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
“NU2318” 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 2318 ECJ90 × 190 × 64 mm | FAGNU2318-E-XL-M190 × 190 × 64 mm | TIMKENNU2318EJ90 × 190 × 64 mm | NSKNU2318ET90 × 190 × 64 mm | KOYONU231890 × 190 × 64 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO |
| Designation | NU 2318 ECJ | NU2318-E-XL-M1 | NU2318EJ | NU2318ET | NU2318 |
| 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 | — | NU2318 | EX27520 | — | — |
| Bore diameterd | 90 mm | 90 mm | 90 mm | 90 mm | 90 mm |
| Outside diameterD | 190 mm | 190 mm | 190 mm | 190 mm | 190 mm |
| WidthB | 64 mm | 64 mm | 64 mm | 64 mm | 64 mm |
| Basic dynamic load ratingC | 500 kN | 510 kN | 497 kN | 535 kN | 408 kN |
| Basic static load ratingC0 | 540 kN | 530 kN | 544 kN | 535 kN | 395 kN |
| Fatigue load limitPu | 65.5 kN | 94 kN | — | — | 55.5 kN |
| Reference speednref | 3800 r/min | 3000 r/min | — | — | — |
| Limiting speednG | 4500 r/min | 6300 r/min | — | — | 2800 r/min |
| Mass≈m | 8.1 kg | 8.8 kg | 8 kg | — | 7.9 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — | — |
| Sealing | Without | — | Open | — | — |
| Cage | Sheet metal | M1 — Two Piece Brass Cage Roller Guided | Window Steel cage | Polyamide 66 | — |
| Lubricant | None | — | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — | — |
| Boundary dimensions | |||||
| Bearing widthB | — | — | — | 64 mm | — |
| Minimum bearing chamferr min. | — | — | — | 3 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | — | 3 mm | — |
| Roller inscribed circle diameterFw | — | — | — | 113.5 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 | — | — | 0.1044 | — | — |
| 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 | — | — | — | 7.9 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 | — | — | — | Polyamide 66 | — |
| Standard cage marking | — | — | — | T | — |
| Other cage codes listed for this catalogue row | — | — | — | M, T7 | — |
| 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 | — | 3 mm | — | — | — |
| Minimum chamfer dimensionrmin | — | 0.118 in | — | — | — |
| Minimum chamfer dimensionr1 min | — | 3 mm | — | — | — |
| Minimum chamfer dimensionr1 min | — | 0.118 in | — | — | — |
| Axial displacements | — | 5 mm | — | — | — |
| Axial displacements | — | 0.197 in | — | — | — |
| Raceway diameter outer ringE | — | 169.5 mm | — | — | — |
| Raceway diameter outer ringE | — | 6.673 in | — | — | — |
| Raceway diameter inner ringF | — | 113.5 mm | — | — | — |
| Raceway diameter inner ringF | — | 4.469 in | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 161.62 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 6.363 in | — | — | — |
| Engineering — Abutment dimensions | |||||
| Diameter of spacer sleeved a | max. 110 mm | — | — | — | — |
| Diameter of shaft abutmentd b | min. 116 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 175.3 mm | — | — | — | — |
| Radius of filletr a | max. 2.5 mm | — | — | — | — |
| Radius of filletr b | max. 2.5 mm | — | — | — | — |
| Engineering — Associated products | |||||
| Angle ring | HJ 2318 EC | — | — | — | — |
| Engineering — Calculation data | |||||
| SKF performance class | SKF Explorer | — | — | — | — |
| Minimum load factork r | 0.25 | — | — | — | — |
| Limiting valuee | 0.3 | — | — | — | — |
| Calculation factorY | 0.4 | — | — | — | — |
| Engineering — Dimensions | |||||
| Shoulder diameter of outer ringD 1 | ≈ 160.25 mm | — | — | — | — |
| Raceway diameter of inner ringF | 113.5 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 3 mm | — | — | — | — |
| Chamfer dimensionr 3,4 | min. 3 mm | — | — | — | — |
| Permissible axial displacements | max. 6 mm | — | — | — | — |
| Load ratings — standard cage | |||||
| Basic dynamic radial load ratingCr | — | — | — | 535000 N | — |
| Basic static radial load ratingC0r | — | — | — | 535000 N | — |
| Logistics | |||||
| Product net weight | 8.1 kg | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — |
| Lubrication-qualified speed — standard cage | |||||
| Thermal speed rating — oil bath | — | — | — | 4000 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | — | 5600 r/min | — |
| Limiting speed — grease | — | — | — | 2800 r/min | — |
| Limiting speed — oil bath | — | — | — | 3400 r/min | — |
| Main Dimensions & Performance Data | |||||
| Basic dynamic load rating, radialCr | — | 510,000 N | — | — | — |
| Basic dynamic load rating, radialCr | — | 114,658.273 lbf | — | — | — |
| Basic static load rating, radialC0r | — | 530,000 N | — | — | — |
| Basic static load rating, radialC0r | — | 119,154.676 lbf | — | — | — |
| Fatigue load limit, radialCur | — | 94,000 N | — | — | — |
| Fatigue load limit, radialCur | — | 21,133.094 lbf | — | — | — |
| Manufacturer Identity | |||||
| Schaeffler Product Code | — | 368173 | — | — | — |
| Material Number | — | — | 000000000190067105 | — | — |
| Official Class Key | — | — | — | — | 040-010-000 |
| Base Type | — | NU2318 | — | — | — |
| World Assembly Part Number | — | — | NU2318EJ | — | — |
| Old Designation | — | ["NU2318-E-M1","NU2318E.M1"] | — | — | — |
| Inner Ring Part Number | — | — | 90ARUE23 | — | — |
| Gpsd Group | — | F01 | — | — | — |
| Outer Ring Part Number | — | — | 90ERUE23 | — | — |
| Product Line Id | — | 63 | — | — | — |
| Drawing Number | — | — | M960804 | — | — |
| X Life Marking | — | XL | — | — | — |
| Upc | — | — | 0013992439482 | — | — |
| Official Source System | — | — | CORE BP - DS DF | — | — |
| Official Last Run | — | — | 2026-08-23T20:02:48.513 | — | — |
| SAP material number | — | 0192448270000 | — | — | — |
| Base product | — | 2305090102 | — | — | — |
| Bearing X designation | — | NU2318-E-XL-M1 | — | — | — |
| Mounting Manager ID | — | NU2318-E-XL-M1 | — | — | — |
| Grease application ID | — | NU2318-E-XL-M1 | — | — | — |
| Mounting dimensions | |||||
| Minimum diameter shaft shoulderda min | — | 104 mm | — | — | — |
| Minimum diameter shaft shoulderda min | — | 4.094 in | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 111 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 4.37 in | — | — | — |
| Minimum shaft shoulderdb min | — | 117 mm | — | — | — |
| Minimum shaft shoulderdb min | — | 4.606 in | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 176 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 6.929 in | — | — | — |
| Maximum recess radiusra max | — | 2.5 mm | — | — | — |
| Maximum recess radiusra max | — | 0.098 in | — | — | — |
| Maximum recess radiusra1 max | — | 2.5 mm | — | — | — |
| Maximum recess radiusra1 max | — | 0.098 in | — | — | — |
| Mounting dimensions — shown arrangement | |||||
| Minimum shaft shoulder diameterdb min. | — | — | — | 103 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 177 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 111 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | — | 2.5 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 2.5 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 | No | — | — | — | — |
| Product Identity | |||||
| Construction | — | Cylindrical roller bearing NU..-E-XL-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 | 3.5433 in Bore | 7.4803 in OD | 2.5197 in Width | Open | Cylindrical Bore | Stamped Window Steel Cage | C0 Clearance | — | — |
| Type Description | — | — | Cylindrical 1-Row | — | — |
| Short Description | — | Cylindrical roller bearing | — | — | — |
| 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 | — | — | — | — |
| Indicative carbon footprint for new product | 30.0 kg CO 2 e | — | — | — | — |
| Technical Data | |||||
| d | — | — | — | — | 190 mm |
| B | — | — | — | — | 64 mm |
| R(Min.) | — | — | — | — | 3 mm |
| R1(Min.) | — | — | — | — | 3 mm |
| Bore Diameter (D) | — | 90 mm | — | — | — |
| Overall Width | — | — | 0.000 mm | — | — |
| Fw | — | — | — | — | 115 mm |
| Outside Diamater (D) | — | 190 mm | — | — | — |
| Radial Rating | — | — | 497,000 N | — | — |
| Ew | — | — | — | — | - mm |
| Total Width (B) | — | 64 mm | — | — | — |
| Axial Rating | — | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 408 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 510,000 N | — | — | — |
| Dynamic Rating C1 | — | — | 497,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 395 kN |
| Basic Static Load Rating, Radial (C0R) | — | 530,000 N | — | — | — |
| Dynamic Rating C90 | — | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 55.5 kN |
| Raceway Diameter Inner Ring (F) | — | 113.5 mm | — | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 2800 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 4200 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | — | 104 mm | — | — | — |
| Static Radial Rating C0 | — | — | 544,000 N | — | — |
| Sd1 | — | — | — | — | - mm |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — | — |
| B1 | — | — | — | — | - mm |
| Limiting Speed (Limiting Spe) | — | 6,300 1/min | — | — | — |
| Static Axial Rating C0A | — | — | 0 N | — | — |
| B2 | — | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 3,000 1/min | — | — | — |
| Da(Min.) | — | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 2.5 mm | — | — | — |
| Db(Min.) | — | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 176 mm | — | — | — |
| Db(Max.) | — | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 3 mm | — | — | — |
| Dc(Min.) | — | — | — | — | - mm |
| Axial Displacement (S) | — | 5 mm | — | — | — |
| Dd(Min.) | — | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 161.62 mm | — | — | — |
| Da(Max.) | — | — | — | — | 177 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 111 mm | — | — | — |
| Maximum Recess Radius (Ra1 Max) | — | 2.5 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 3 mm | — | — | — |
| Ra(Max.) | — | — | — | — | 2.5 mm |
| Raceway Diameter Outer Ring (E) | — | 169.5 mm | — | — | — |
| Rb(Max.) | — | — | — | — | 2.5 mm |
| Minimum Shaft Shoulder (Db Min) | — | 117 mm | — | — | — |
| Mass(Refer.) | — | — | — | — | 7.90 kg |
| Fatigue Load Limit, Radial (Cur) | — | 94,000 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 | — | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.