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You entered NU326EM. This table explores the base group NU326; it does not preserve or approve every requested suffix. Search your complete marking first →
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Dimensions verified
“NU326” across 6 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 326 ECJ130 × 280 × 58 mm | FAGNU326-E-XL-M1130 × 280 × 58 mm | TIMKENNU326EJ130 × 280 × 58 mm | NSKNU326EM130 × 280 × 58 mm | KOYONU326R130 × 280 × 58 mm | NTNNU326130 × 280 × 58 mm |
|---|---|---|---|---|---|---|
| Comparable specifications | ||||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO | NTN |
| Designation | NU 326 ECJ | NU326-E-XL-M1 | NU326EJ | NU326EM | NU326R | NU326 |
| Product family | Cylindrical roller bearings | — | Cylindrical 1-Row | Cylindrical roller bearing | Single-row / NU | Single row cylindrical roller bearings |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU326 | EX27544 | — | — | — |
| Bore diameterd | 130 mm | 130 mm | 130 mm | 130 mm | 130 mm | 130 mm |
| Outside diameterD | 280 mm | 280 mm | 280 mm | 280 mm | 280 mm | 280 mm |
| WidthB | 58 mm | 58 mm | 58 mm | 58 mm | 58 mm | 58 mm |
| Basic dynamic load ratingC | 720 kN | 720 kN | 701 kN | 760 kN | 771 kN | 620 kN |
| Basic static load ratingC0 | 750 kN | 720 kN | 753 kN | 735 kN | 736 kN | 665 kN |
| Fatigue load limitPu | 81.5 kN | 87 kN | — | — | 94.1 kN | 65.5 kN |
| Reference speednref | 2400 r/min | 2340 r/min | — | — | — | — |
| Limiting speednG | 3000 r/min | 4250 r/min | — | — | 2000 r/min | — |
| Mass≈m | 16.1 kg | 17.92 kg | 16.1 kg | — | 16.7 kg | 17.4 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — | — | CN |
| Sealing | Without | — | Open | — | — | — |
| Cage | Sheet metal | M1 — Two Piece Brass Cage Roller Guided | Window Steel cage | Machined brass | — | brass cage |
| Lubricant | None | — | — | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — | — | -40 °C |
| Maximum operating temperatureTmax | — | 150 °C | — | — | — | 120 °C |
| Boundary dimensions | ||||||
| Bearing widthB | — | — | — | 58 mm | — | — |
| Minimum bearing chamferr min. | — | — | — | 4 mm | — | — |
| Minimum secondary bearing chamferr1 min. | — | — | — | 4 mm | — | — |
| Roller inscribed circle diameterFw | — | — | — | 167 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 | — | — | 0.1065 | — | — | — |
| 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 | — | — | — | 18.7 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 | — | 3.5 mm | — | — | — | — |
| Axial displacements | — | 0.138 in | — | — | — | — |
| Raceway diameter outer ringE | — | 247 mm | — | — | — | — |
| Raceway diameter outer ringE | — | 9.724 in | — | — | — | — |
| Raceway diameter inner ringF | — | 167 mm | — | — | — | — |
| Raceway diameter inner ringF | — | 6.575 in | — | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 235.2 mm | — | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 9.26 in | — | — | — | — |
| Dimensions and properties | ||||||
| Internal diameterd | — | — | — | — | — | 130 mm |
| External diameterD | — | — | — | — | — | 280 mm |
| Bearing/Inner ring widthB | — | — | — | — | — | 58 mm |
| Upper roller diameterE | — | — | — | — | — | 243 mm |
| Under roller diameterF | — | — | — | — | — | 167 mm |
| Min fillet radiusrs | — | — | — | — | — | 4 mm |
| Min fillet radiusr1s | — | — | — | — | — | 4 mm |
| Radial clearance class | — | — | — | — | — | CN |
| Engineering — Abutment dimensions | ||||||
| Diameter of spacer sleeved a | max. 163 mm | — | — | — | — | — |
| Diameter of shaft abutmentd b | min. 170 mm | — | — | — | — | — |
| Diameter of housing abutmentD a | max. 261.4 mm | — | — | — | — | — |
| Radius of filletr a | max. 3 mm | — | — | — | — | — |
| Radius of filletr b | max. 3 mm | — | — | — | — | — |
| Engineering — Associated products | ||||||
| Angle ring | HJ 326 EC | — | — | — | — | — |
| Engineering — Calculation data | ||||||
| SKF performance class | SKF Explorer | — | — | — | — | — |
| Minimum load factork r | 0.15 | — | — | — | — | — |
| Limiting valuee | 0.2 | — | — | — | — | — |
| Calculation factorY | 0.6 | — | — | — | — | — |
| Engineering — Dimensions | ||||||
| Shoulder diameter of outer ringD 1 | ≈ 234.15 mm | — | — | — | — | — |
| Raceway diameter of inner ringF | 167 mm | — | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — | — | — | — | — |
| Chamfer dimensionr 3,4 | min. 4 mm | — | — | — | — | — |
| Permissible axial displacements | max. 3.7 mm | — | — | — | — | — |
| Load ratings — standard cage | ||||||
| Basic dynamic radial load ratingCr | — | — | — | 760000 N | — | — |
| Basic static radial load ratingC0r | — | — | — | 735000 N | — | — |
| Logistics | ||||||
| Product net weight | 16.1 kg | — | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — | — |
| Lubrication-qualified speed — standard cage | ||||||
| Thermal speed rating — oil bath | — | — | — | 2600 r/min | — | — |
| Mechanical limiting speed — forced oil circulation | — | — | — | 4300 r/min | — | — |
| Limiting speed — grease | — | — | — | 2200 r/min | — | — |
| Limiting speed — oil bath | — | — | — | 2600 r/min | — | — |
| Main Dimensions & Performance Data | ||||||
| Basic dynamic load rating, radialCr | — | 720,000 N | — | — | — | — |
| Basic dynamic load rating, radialCr | — | 161,870.504 lbf | — | — | — | — |
| Basic static load rating, radialC0r | — | 720,000 N | — | — | — | — |
| Basic static load rating, radialC0r | — | 161,870.504 lbf | — | — | — | — |
| Fatigue load limit, radialCur | — | 87,000 N | — | — | — | — |
| Fatigue load limit, radialCur | — | 19,559.353 lbf | — | — | — | — |
| Manufacturer Identity | ||||||
| Schaeffler Product Code | — | 368291 | — | — | — | — |
| Material Number | — | — | 000000000190044892 | — | — | — |
| Official Class Key | — | — | — | — | 040-010-000 | — |
| Base Type | — | NU326 | — | — | — | — |
| World Assembly Part Number | — | — | NU326EJ | — | — | — |
| Old Designation | — | ["NU326E.M1","NU326-E-M1"] | — | — | — | — |
| Inner Ring Part Number | — | — | 130ARUE03 | — | — | — |
| Gpsd Group | — | F01 | — | — | — | — |
| Outer Ring Part Number | — | — | 130ERUE03 | — | — | — |
| Product Line Id | — | 63 | — | — | — | — |
| Drawing Number | — | — | M953777 | — | — | — |
| X Life Marking | — | XL | — | — | — | — |
| Upc | — | — | 0013992165817 | — | — | — |
| Official Source System | — | — | CORE BP - DS DF | — | — | — |
| Official Last Run | — | — | 2026-08-23T20:02:46.733 | — | — | — |
| SAP material number | — | 0192497990000 | — | — | — | — |
| Base product | — | 2305090102 | — | — | — | — |
| Bearing X designation | — | NU326-E-XL-M1 | — | — | — | — |
| Mounting Manager ID | — | NU326-E-XL-M1 | — | — | — | — |
| Grease application ID | — | NU326-E-XL-M1 | — | — | — | — |
| Mounting dimensions | ||||||
| Min shoulder diameter IRda min | — | — | — | — | — | 146 mm |
| Small face shoulder max diameterda max | — | — | — | — | — | 164 mm |
| Min inner ring GO diameterdb min | — | — | — | — | — | 169 mm |
| Max shoulder diameter ORDa max | — | — | — | — | — | 264 mm |
| Max fillet radiusra max | — | — | — | — | — | 3 mm |
| Max fillet radiusr1a | — | — | — | — | — | 3 mm |
| Minimum diameter shaft shoulderda min | — | 147 mm | — | — | — | — |
| Minimum diameter shaft shoulderda min | — | 5.787 in | — | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 164 mm | — | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 6.457 in | — | — | — | — |
| Minimum shaft shoulderdb min | — | 169 mm | — | — | — | — |
| Minimum shaft shoulderdb min | — | 6.654 in | — | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 263 mm | — | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 10.354 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. | — | — | — | 146 mm | — | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 264 mm | — | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 163 mm | — | — |
| Maximum adjacent fillet radiusra max. | — | — | — | 3 mm | — | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 3 mm | — | — |
| Performance | ||||||
| Dynamic loadC | — | — | — | — | — | 620 kN |
| Static loadC0 | — | — | — | — | — | 665 kN |
| Fatigue limit loadCu | — | — | — | — | — | 65.5 kN |
| Oil lubrication limit speedN lim | — | — | — | — | — | 2900 r/min |
| Grease lubrication limit speedN lim | — | — | — | — | — | 2500 r/min |
| Min operating temperatureTmin | — | — | — | — | — | -40 °C |
| Max operating temperatureTmax | — | — | — | — | — | 120 °C |
| Product characteristics | ||||||
| Catalogue construction | — | — | — | — | — | Single row cylindrical roller bearing, floating, separable, brass cage |
| Cage construction | — | — | — | — | — | brass cage |
| 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 | 5.1181 in Bore | 11.0236 in OD | 2.2835 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 | 59.6 kg CO 2 e | — | — | — | — | — |
| Technical Data | ||||||
| d | — | — | — | — | 280 mm | — |
| B | — | — | — | — | 58 mm | — |
| R(Min.) | — | — | — | — | 4 mm | — |
| R1(Min.) | — | — | — | — | 4 mm | — |
| Bore Diameter (D) | — | 130 mm | — | — | — | — |
| Overall Width | — | — | 0.000 mm | — | — | — |
| Fw | — | — | — | — | 167 mm | — |
| Outside Diamater (D) | — | 280 mm | — | — | — | — |
| Radial Rating | — | — | 701,000 N | — | — | — |
| Ew | — | — | — | — | - mm | — |
| Total Width (B) | — | 58 mm | — | — | — | — |
| Axial Rating | — | — | 0 N | — | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 771 kN | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 720,000 N | — | — | — | — |
| Dynamic Rating C1 | — | — | 701,000 N | — | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 736 kN | — |
| Basic Static Load Rating, Radial (C0R) | — | 720,000 N | — | — | — | — |
| Dynamic Rating C90 | — | — | 0 N | — | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 94.1 kN | — |
| Raceway Diameter Inner Ring (F) | — | 167 mm | — | — | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 2000 min-1 | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 2700 min-1 | — |
| Minimum Diameter Shaft Shoulder (Da) | — | 147 mm | — | — | — | — |
| Static Radial Rating C0 | — | — | 753,000 N | — | — | — |
| Sd1 | — | — | — | — | - mm | — |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — | — | — |
| B1 | — | — | — | — | - mm | — |
| Limiting Speed (Limiting Spe) | — | 4,250 1/min | — | — | — | — |
| Static Axial Rating C0A | — | — | 0 N | — | — | — |
| B2 | — | — | — | — | - mm | — |
| Reference Speed (Nϑr) | — | 2,340 1/min | — | — | — | — |
| Da(Min.) | — | — | — | — | - mm | — |
| Maximum Recess Radius (Ra Max) | — | 3 mm | — | — | — | — |
| Db(Min.) | — | — | — | — | - mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 263 mm | — | — | — | — |
| Db(Max.) | — | — | — | — | - mm | — |
| Minimum Chamfer Dimension (R1 Min) | — | 4 mm | — | — | — | — |
| Dc(Min.) | — | — | — | — | - mm | — |
| Axial Displacement (S) | — | 3.5 mm | — | — | — | — |
| Dd(Min.) | — | — | — | — | - mm | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 235.2 mm | — | — | — | — |
| Da(Max.) | — | — | — | — | 264 mm | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 164 mm | — | — | — | — |
| Maximum Recess Radius (Ra1 Max) | — | 3 mm | — | — | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 4 mm | — | — | — | — |
| Ra(Max.) | — | — | — | — | 3 mm | — |
| Raceway Diameter Outer Ring (E) | — | 247 mm | — | — | — | — |
| Rb(Max.) | — | — | — | — | 3 mm | — |
| Minimum Shaft Shoulder (Db Min) | — | 169 mm | — | — | — | — |
| Mass(Refer.) | — | — | — | — | 16.7 kg | — |
| Fatigue Load Limit, Radial (Cur) | — | 87,000 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.