Cross-brand designation analysis
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You entered NU3188-M1. This table explores the base group NU3188; it does not preserve or approve every requested suffix. Search your complete marking first →
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“NU3188” across 2 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 3188 ECMA/HB1440 × 720 × 226 mm | FAGNU3188-M1440 × 720 × 226 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | NU 3188 ECMA/HB1 | NU3188-M1 |
| Product family | Cylindrical roller bearings | — |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings |
| Series | — | NU3188 |
| Bore diameterd | 440 mm | 440 mm |
| Outside diameterD | 720 mm | 720 mm |
| WidthB | 226 mm | 226 mm |
| Basic dynamic load ratingC | 5120 kN | 5100 kN |
| Basic static load ratingC0 | 10000 kN | 9400 kN |
| Fatigue load limitPu | 765 kN | 850 kN |
| Reference speednref | 700 r/min | 390 r/min |
| Limiting speednG | 1200 r/min | 1330 r/min |
| Mass≈m | 375 kg | 360.8 kg |
| Precision class | — | PN — Normal (ISO 492:2023) |
| Internal clearance | CN | CN (Group N) — Normal internal clearance |
| Sealing | Without | — |
| Cage | Machined brass | M1 — Two Piece Brass Cage Roller Guided |
| Lubricant | None | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 150 °C |
| Capabilities & suitability | ||
| Radial load capacity | — | Yes |
| Suitable for grease lubrication | — | Yes |
| Suitable for oil lubrication | — | Yes |
| Unsealed design | — | Yes |
| Dimensions | ||
| Minimum chamfer dimensionrmin | — | 6 mm |
| Minimum chamfer dimensionrmin | — | 0.236 in |
| Minimum chamfer dimensionr1 min | — | 6 mm |
| Minimum chamfer dimensionr1 min | — | 0.236 in |
| Axial displacements | — | 19 mm |
| Axial displacements | — | 0.748 in |
| Raceway diameter outer ringE | — | 665 mm |
| Raceway diameter outer ringE | — | 26.181 in |
| Raceway diameter inner ringF | — | 505 mm |
| Raceway diameter inner ringF | — | 19.882 in |
| Minimum rib diameter outer ringD1 min | — | 633 mm |
| Minimum rib diameter outer ringD1 min | — | 24.921 in |
| Engineering — Abutment dimensions | ||
| Diameter of spacer sleeved a | max. 500 mm | — |
| Diameter of shaft abutmentd b | min. 514 mm | — |
| Diameter of housing abutmentD a | max. 694 mm | — |
| Radius of filletr a | max. 5 mm | — |
| Engineering — Calculation data | ||
| Minimum load factork r | 0.21 | — |
| Limiting valuee | 0.3 | — |
| Calculation factorY | 0 | — |
| Engineering — Dimensions | ||
| Shoulder diameter of outer ringD 1 | ≈ 637 mm | — |
| Raceway diameter of inner ringF | 509 mm | — |
| Chamfer dimensionr 1,2 | min. 6 mm | — |
| Permissible axial displacements | max. 12.5 mm | — |
| Logistics | ||
| Product net weight | 375.0 kg | — |
| eClass code | 23-05-09-01 | — |
| UNSPSC code | 31171505 | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | — | 5,100,000 N |
| Basic dynamic load rating, radialCr | — | 1,146,582.734 lbf |
| Basic static load rating, radialC0r | — | 9,400,000 N |
| Basic static load rating, radialC0r | — | 2,113,309.353 lbf |
| Fatigue load limit, radialCur | — | 850,000 N |
| Fatigue load limit, radialCur | — | 191,097.122 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 369159 |
| Base Type | — | NU3188 |
| Gpsd Group | — | F01 |
| Product Line Id | — | 75 |
| X Life Marking | — | n.r. |
| SAP material number | — | 0192489460000 |
| Base product | — | 2305090102 |
| Mounting dimensions | ||
| Minimum diameter shaft shoulderda min | — | 466 mm |
| Minimum diameter shaft shoulderda min | — | 18.346 in |
| Maximum diameter of shaft shoulderda max | — | 500 mm |
| Maximum diameter of shaft shoulderda max | — | 19.685 in |
| Minimum shaft shoulderdb min | — | 510 mm |
| Minimum shaft shoulderdb min | — | 20.079 in |
| Maximum diameter of housing shoulderDa max | — | 694 mm |
| Maximum diameter of housing shoulderDa max | — | 27.323 in |
| Maximum recess radiusra max | — | 5 mm |
| Maximum recess radiusra max | — | 0.197 in |
| Maximum recess radiusra1 max | — | 5 mm |
| Maximum recess radiusra1 max | — | 0.197 in |
| Product characteristics | ||
| Design | — | Standard |
| 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..-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 | — |
| Candidate for remanufacturing | Yes | — |
| Indicative carbon footprint for new product | 1388.0 kg CO 2 e | — |
| Indicative carbon footprint for remanufactured product | 461.0 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 440 mm |
| Outside Diamater (D) | — | 720 mm |
| Total Width (B) | — | 226 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 5,100,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 9,400,000 N |
| Raceway Diameter Inner Ring (F) | — | 505 mm |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Minimum Diameter Shaft Shoulder (Da) | — | 466 mm |
| Operating Temperature Max. (Tmax) | — | 150 °C |
| Limiting Speed (Limiting Spe) | — | 1,330 1/min |
| Reference Speed (Nϑr) | — | 390 1/min |
| Maximum Recess Radius (Ra Max) | — | 5 mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 694 mm |
| Minimum Chamfer Dimension (R1 Min) | — | 6 mm |
| Axial Displacement (S) | — | 19 mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 633 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 500 mm |
| Maximum Recess Radius (Ra1 Max) | — | 5 mm |
| Minimum Chamfer Dimension (Rmin) | — | 6 mm |
| Raceway Diameter Outer Ring (E) | — | 665 mm |
| Minimum Shaft Shoulder (Db Min) | — | 510 mm |
| Fatigue Load Limit, Radial (Cur) | — | 850,000 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.