Cross-brand designation analysis
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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
“NNU4188” 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 | FAGNNU4188-M440 × 720 × 280 mm | INANNU4188-S--M-C3440 × 720 × 280 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | INA |
| Designation | NNU4188-M | NNU4188-S--M-C3 |
| Detailed type | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | NNU4188 | NNU4188 |
| Bore diameterd | 440 mm | 440 mm |
| Outside diameterD | 720 mm | 720 mm |
| WidthB | 280 mm | 280 mm |
| Basic dynamic load ratingC | 5600 kN | 5600 kN |
| Basic static load ratingC0 | 11500 kN | 11500 kN |
| Fatigue load limitPu | 1030 kN | 1030 kN |
| Mass≈m | 454.5 kg | 450 kg |
| Precision class | PN — Normal (ISO 492:2023) | — |
| Internal clearance | CN (Group N) — Normal internal clearance | — |
| Cage | M — Brass Cage | — |
| Minimum operating temperatureTmin | -30 °C | -30 °C |
| Maximum operating temperatureTmax | 150 °C | 150 °C |
| Capabilities & suitability | ||
| Largebearing | Yes | — |
| Dimensions | ||
| Minimum chamfer dimensionr1 min | 6 mm | — |
| Minimum chamfer dimensionr1 min | 0.236 in | — |
| Raceway diameter inner ringF | 511 mm | — |
| Raceway diameter inner ringF | 20.118 in | — |
| Axial displacements | 12.9 mm | — |
| Axial displacements | 0.508 in | — |
| Shoulder diameter outer ringD1 | 632 mm | — |
| Shoulder diameter outer ringD1 | 24.882 in | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | 5,600,000 N | — |
| Basic dynamic load rating, radialCr | 1,258,992.806 lbf | — |
| Basic static load rating, radialC0r | 11,500,000 N | — |
| Basic static load rating, radialC0r | 2,585,431.655 lbf | — |
| Fatigue load limit, radialCur | 1,030,000 N | — |
| Fatigue load limit, radialCur | 231,564.748 lbf | — |
| Limiting speed for grease lubricationnG Grease | 1,170 1/min | — |
| Limiting speed for oil lubricationnG Oil | 1,380 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 374590 | 2409985 |
| Base Type | NNU4188 | NNU4188 |
| Gpsd Group | F01 | F01 |
| Product Line Id | 75 | 75 |
| SAP material number | 0192323220000 | — |
| Base product | 2305090141 | — |
| Bearing X designation | NNU4188-M | — |
| Mounting Manager ID | NNU4188-M | — |
| Grease application ID | NNU4188-M | — |
| Mounting dimensions | ||
| Diameter shaft shoulderda | 466 mm | — |
| Diameter shaft shoulderda | 18.346 in | — |
| Diameter of housing shoulderDa | 694 mm | — |
| Diameter of housing shoulderDa | 27.323 in | — |
| Maximum recess radiusra1 max | 5 mm | — |
| Maximum recess radiusra1 max | 0.197 in | — |
| Product characteristics | ||
| Tolerance classPN | Normal (ISO 492:2023) | — |
| Radial internal clearanceCN (Group N) | Normal internal clearance | — |
| Number of rows2 | Double-row design | — |
| Product Identity | ||
| Short Description | Cylindrical roller bearing | Cylindrical roller bearing |
| Technical Data | ||
| Bore Diameter (D) | 440 mm | 440 mm |
| Outside Diamater (D) | 720 mm | 720 mm |
| Total Width (B) | 280 mm | 280 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 5,600,000 N | 5,600,000 N |
| Basic Static Load Rating, Radial (C0R) | 11,500,000 N | 11,500,000 N |
| Raceway Diameter Inner Ring (F) | 511 mm | 511 mm |
| Operating Temperature Min. (Tmin) | -30 °C | -30 °C |
| Limiting Speed For Grease Lubrication (Ng Grea) | 1,170 1/min | 1,170 1/min |
| Minimum Diameter Shaft Shoulder (Da) | 466 mm | 466 mm |
| Limiting Speed (Ng Oil) | 1,380 1/min | 1,380 1/min |
| Operating Temperature Max. (Tmax) | 150 °C | 150 °C |
| Maximum Diameter Of Housing Shoulder (Da) | 694 mm | 694 mm |
| Minimum Chamfer Dimension (R1 Min) | 6 mm | 6 mm |
| Shoulder Diameter Outer Ring (D1) | 632 mm | 632 mm |
| Axial Displacement (S) | 12.9 mm | 12.9 mm |
| Maximum Recess Radius (Ra1 Max) | 5 mm | 5 mm |
| Fatigue Load Limit, Radial (Cur) | 1,030,000 N | 1,030,000 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.