Cross-brand designation analysis
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You entered NU-309-ECP-C3. This table explores the base group NU309; it does not preserve or approve every requested suffix. Search your complete marking first →
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Dimensions verified
“NU309” 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 309 ECJ45 × 100 × 25 mm | FAGNU309-E-XL-M145 × 100 × 25 mm | NSKNU309EW45 × 100 × 25 mm | KOYONU309R45 × 100 × 25 mm | NTNNU30945 × 100 × 25 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | NSK | KOYO | NTN |
| Designation | NU 309 ECJ | NU309-E-XL-M1 | NU309EW | NU309R | NU309 |
| Product family | Cylindrical roller bearings | — | 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 |
| Series | — | NU309 | — | — | — |
| Bore diameterd | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Outside diameterD | 100 mm | 100 mm | 100 mm | 100 mm | 100 mm |
| WidthB | 25 mm | 25 mm | 25 mm | 25 mm | 25 mm |
| Basic dynamic load ratingC | 112 kN | 116 kN | 120 kN | 122 kN | 82 kN |
| Basic static load ratingC0 | 100 kN | 99 kN | 98.5 kN | 98.3 kN | 71 kN |
| Fatigue load limitPu | 12.9 kN | 13.5 kN | — | 13.5 kN | 8.65 kN |
| Reference speednref | 7500 r/min | 6400 r/min | — | — | — |
| Limiting speednG | 8500 r/min | 12800 r/min | — | 6100 r/min | — |
| Mass≈m | 0.891 kg | 0.98 kg | — | 0.909 kg | 0.877 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — | CN |
| Sealing | Without | — | — | — | — |
| Cage | Sheet metal | M1 — Two Piece Brass Cage Roller Guided | Pressed steel | — | pressed steel cage |
| Lubricant | None | — | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — | -40 °C |
| Maximum operating temperatureTmax | — | 150 °C | — | — | 120 °C |
| Boundary dimensions | |||||
| Bearing widthB | — | — | 25 mm | — | — |
| Minimum bearing chamferr min. | — | — | 1.5 mm | — | — |
| Minimum secondary bearing chamferr1 min. | — | — | 1.5 mm | — | — |
| Roller inscribed circle diameterFw | — | — | 58.5 mm | — | — |
| 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 | — | — | 1.01 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 | — | — | Pressed steel | — | — |
| Standard cage marking | — | — | W | — | — |
| Other cage codes listed for this catalogue row | — | — | M, T, 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 | — | — | No optimized-crowning asterisk on this row | — | — |
| Dimensions | |||||
| Minimum chamfer dimensionrmin | — | 1.5 mm | — | — | — |
| Minimum chamfer dimensionrmin | — | 0.059 in | — | — | — |
| Minimum chamfer dimensionr1 min | — | 1.5 mm | — | — | — |
| Minimum chamfer dimensionr1 min | — | 0.059 in | — | — | — |
| Axial displacements | — | 1 mm | — | — | — |
| Axial displacements | — | 0.039 in | — | — | — |
| Raceway diameter outer ringE | — | 88.5 mm | — | — | — |
| Raceway diameter outer ringE | — | 3.484 in | — | — | — |
| Raceway diameter inner ringF | — | 58.5 mm | — | — | — |
| Raceway diameter inner ringF | — | 2.303 in | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 84.12 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 3.312 in | — | — | — |
| Dimensions and properties | |||||
| Internal diameterd | — | — | — | — | 45 mm |
| External diameterD | — | — | — | — | 100 mm |
| Bearing/Inner ring widthB | — | — | — | — | 25 mm |
| Upper roller diameterE | — | — | — | — | 86.5 mm |
| Under roller diameterF | — | — | — | — | 58.5 mm |
| Min fillet radiusrs | — | — | — | — | 1.5 mm |
| Min fillet radiusr1s | — | — | — | — | 1.5 mm |
| Radial clearance class | — | — | — | — | CN |
| Engineering — Abutment dimensions | |||||
| Diameter of spacer sleeved a | max. 56 mm | — | — | — | — |
| Diameter of shaft abutmentd b | min. 60 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 91.4 mm | — | — | — | — |
| Radius of filletr a | max. 1.5 mm | — | — | — | — |
| Radius of filletr b | max. 1.5 mm | — | — | — | — |
| Engineering — Associated products | |||||
| Angle ring | HJ 309 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 | ≈ 83.2 mm | — | — | — | — |
| Raceway diameter of inner ringF | 58.5 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 1.5 mm | — | — | — | — |
| Chamfer dimensionr 3,4 | min. 1.5 mm | — | — | — | — |
| Permissible axial displacements | max. 1.7 mm | — | — | — | — |
| Load ratings — standard cage | |||||
| Basic dynamic radial load ratingCr | — | — | 120000 N | — | — |
| Basic static radial load ratingC0r | — | — | 98500 N | — | — |
| Logistics | |||||
| Product net weight | 0.891 kg | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — |
| Lubrication-qualified speed — standard cage | |||||
| Thermal speed rating — oil bath | — | — | 7100 r/min | — | — |
| Mechanical limiting speed — forced oil circulation | — | — | 11000 r/min | — | — |
| Limiting speed — grease | — | — | 6000 r/min | — | — |
| Limiting speed — oil bath | — | — | 7500 r/min | — | — |
| Main Dimensions & Performance Data | |||||
| Basic dynamic load rating, radialCr | — | 116,000 N | — | — | — |
| Basic dynamic load rating, radialCr | — | 26,079.137 lbf | — | — | — |
| Basic static load rating, radialC0r | — | 99,000 N | — | — | — |
| Basic static load rating, radialC0r | — | 22,257.194 lbf | — | — | — |
| Fatigue load limit, radialCur | — | 13,500 N | — | — | — |
| Fatigue load limit, radialCur | — | 3,035.072 lbf | — | — | — |
| Manufacturer Identity | |||||
| Schaeffler Product Code | — | 368230 | — | — | — |
| Official Class Key | — | — | — | 040-010-000 | — |
| Base Type | — | NU309 | — | — | — |
| Old Designation | — | ["NU309-E-M1","NU309E.M1"] | — | — | — |
| Gpsd Group | — | F01 | — | — | — |
| Product Line Id | — | 12 | — | — | — |
| X Life Marking | — | XL | — | — | — |
| SAP material number | — | 0190085620000 | — | — | — |
| Base product | — | 2305090102 | — | — | — |
| Bearing X designation | — | NU309-E-XL-M1 | — | — | — |
| Mounting Manager ID | — | NU309-E-XL-M1 | — | — | — |
| Grease application ID | — | NU309-E-XL-M1 | — | — | — |
| Mounting dimensions | |||||
| Min shoulder diameter IRda min | — | — | — | — | 53 mm |
| Small face shoulder max diameterda max | — | — | — | — | 57 mm |
| Min inner ring GO diameterdb min | — | — | — | — | 60 mm |
| Max shoulder diameter ORDa max | — | — | — | — | 92 mm |
| Max fillet radiusra max | — | — | — | — | 1.5 mm |
| Max fillet radiusr1a | — | — | — | — | 1.5 mm |
| Minimum diameter shaft shoulderda min | — | 54 mm | — | — | — |
| Minimum diameter shaft shoulderda min | — | 2.126 in | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 57 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 2.244 in | — | — | — |
| Minimum shaft shoulderdb min | — | 60 mm | — | — | — |
| Minimum shaft shoulderdb min | — | 2.362 in | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 91 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 3.583 in | — | — | — |
| Maximum recess radiusra max | — | 1.5 mm | — | — | — |
| Maximum recess radiusra max | — | 0.059 in | — | — | — |
| Maximum recess radiusra1 max | — | 1.5 mm | — | — | — |
| Maximum recess radiusra1 max | — | 0.059 in | — | — | — |
| Mounting dimensions — shown arrangement | |||||
| Minimum shaft shoulder diameterdb min. | — | — | 53 mm | — | — |
| Maximum housing shoulder diameterDa max. | — | — | 92 mm | — | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 56 mm | — | — |
| Maximum adjacent fillet radiusra max. | — | — | 1.5 mm | — | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 1.5 mm | — | — |
| Performance | |||||
| Dynamic loadC | — | — | — | — | 82 kN |
| Static loadC0 | — | — | — | — | 71 kN |
| Fatigue limit loadCu | — | — | — | — | 8.65 kN |
| Oil lubrication limit speedN lim | — | — | — | — | 8400 r/min |
| Grease lubrication limit speedN lim | — | — | — | — | 7200 r/min |
| Min operating temperatureTmin | — | — | — | — | -40 °C |
| Max operating temperatureTmax | — | — | — | — | 120 °C |
| Product characteristics | |||||
| Catalogue construction | — | — | — | — | Single row cylindrical roller bearing, floating, separable, pressed steel cage |
| Cage construction | — | — | — | — | pressed steel 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 | — | — | — |
| Short Description | — | Cylindrical roller bearing | — | — | — |
| Properties | |||||
| Bearing part | Complete bearing | — | — | — | — |
| Axial displacement capability | In both directions | — | — | — | — |
| Number of rows | 1 | — | — | — | — |
| 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 | 3.3 kg CO 2 e | — | — | — | — |
| Technical Data | |||||
| d | — | — | — | 100 mm | — |
| B | — | — | — | 25 mm | — |
| R(Min.) | — | — | — | 1.5 mm | — |
| R1(Min.) | — | — | — | 1.5 mm | — |
| Bore Diameter (D) | — | 45 mm | — | — | — |
| Fw | — | — | — | 58.5 mm | — |
| Outside Diamater (D) | — | 100 mm | — | — | — |
| Ew | — | — | — | - mm | — |
| Total Width (B) | — | 25 mm | — | — | — |
| Basic Load Ratings : Cr | — | — | — | 122 kN | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 116,000 N | — | — | — |
| Basic Load Ratings : C0R | — | — | — | 98.3 kN | — |
| Basic Static Load Rating, Radial (C0R) | — | 99,000 N | — | — | — |
| Fatigue Load Limit : Cu | — | — | — | 13.5 kN | — |
| Raceway Diameter Inner Ring (F) | — | 58.5 mm | — | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 6100 min-1 | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 8200 min-1 | — |
| Minimum Diameter Shaft Shoulder (Da) | — | 54 mm | — | — | — |
| Sd1 | — | — | — | - mm | — |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — |
| B1 | — | — | — | - mm | — |
| Limiting Speed (Limiting Spe) | — | 12,800 1/min | — | — | — |
| B2 | — | — | — | - mm | — |
| Reference Speed (Nϑr) | — | 6,400 1/min | — | — | — |
| Da(Min.) | — | — | — | - mm | — |
| Maximum Recess Radius (Ra Max) | — | 1.5 mm | — | — | — |
| Db(Min.) | — | — | — | - mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 91 mm | — | — | — |
| Db(Max.) | — | — | — | - mm | — |
| Minimum Chamfer Dimension (R1 Min) | — | 1.5 mm | — | — | — |
| Dc(Min.) | — | — | — | - mm | — |
| Axial Displacement (S) | — | 1 mm | — | — | — |
| Dd(Min.) | — | — | — | - mm | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 84.12 mm | — | — | — |
| Da(Max.) | — | — | — | 92 mm | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 57 mm | — | — | — |
| Maximum Recess Radius (Ra1 Max) | — | 1.5 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 1.5 mm | — | — | — |
| Ra(Max.) | — | — | — | 1.5 mm | — |
| Raceway Diameter Outer Ring (E) | — | 88.5 mm | — | — | — |
| Rb(Max.) | — | — | — | 1.5 mm | — |
| Minimum Shaft Shoulder (Db Min) | — | 60 mm | — | — | — |
| Mass(Refer.) | — | — | — | 0.909 kg | — |
| Fatigue Load Limit, Radial (Cur) | — | 13,500 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.