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| Parameter | FAGNNU4144-M220 × 370 × 150 mm | INANNU4144-S-M220 × 370 × 150 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | INA |
| Designation | NNU4144-M | NNU4144-S-M |
| Detailed type | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | NNU4144 | NNU4144 |
| Bore diameterd | 220 mm | 220 mm |
| Outside diameterD | 370 mm | 370 mm |
| WidthB | 150 mm | 150 mm |
| Basic dynamic load ratingC | 1620 kN | 1620 kN |
| Basic static load ratingC0 | 2950 kN | 2950 kN |
| Fatigue load limitPu | 355 kN | 355 kN |
| Mass≈m | 65.85 kg | 65.2 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 | 4 mm | — |
| Minimum chamfer dimensionr1 min | 0.157 in | — |
| Raceway diameter inner ringF | 258 mm | — |
| Raceway diameter inner ringF | 10.157 in | — |
| Axial displacements | 4.9 mm | — |
| Axial displacements | 0.193 in | — |
| Shoulder diameter outer ringD1 | 321.5 mm | — |
| Shoulder diameter outer ringD1 | 12.657 in | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | 1,620,000 N | — |
| Basic dynamic load rating, radialCr | 364,208.633 lbf | — |
| Basic static load rating, radialC0r | 2,950,000 N | — |
| Basic static load rating, radialC0r | 663,219.424 lbf | — |
| Fatigue load limit, radialCur | 355,000 N | — |
| Fatigue load limit, radialCur | 79,811.151 lbf | — |
| Limiting speed for grease lubricationnG Grease | 2,410 1/min | — |
| Limiting speed for oil lubricationnG Oil | 2,850 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 1667406 | 2871780 |
| Base Type | NNU4144 | NNU4144 |
| Gpsd Group | F01 | F01 |
| Product Line Id | 75 | 75 |
| SAP material number | 0610096100000 | — |
| Base product | 2305090141 | — |
| Mounting dimensions | ||
| Diameter shaft shoulderda | 237 mm | — |
| Diameter shaft shoulderda | 9.331 in | — |
| Diameter of housing shoulderDa | 353 mm | — |
| Diameter of housing shoulderDa | 13.898 in | — |
| Maximum recess radiusra1 max | 3 mm | — |
| Maximum recess radiusra1 max | 0.118 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) | 220 mm | 220 mm |
| Outside Diamater (D) | 370 mm | 370 mm |
| Total Width (B) | 150 mm | 150 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 1,620,000 N | 1,620,000 N |
| Basic Static Load Rating, Radial (C0R) | 2,950,000 N | 2,950,000 N |
| Raceway Diameter Inner Ring (F) | 258 mm | 258 mm |
| Operating Temperature Min. (Tmin) | -30 °C | -30 °C |
| Limiting Speed For Grease Lubrication (Ng Grea) | 2,410 1/min | 2,410 1/min |
| Minimum Diameter Shaft Shoulder (Da) | 237 mm | 237 mm |
| Limiting Speed (Ng Oil) | 2,850 1/min | 2,850 1/min |
| Operating Temperature Max. (Tmax) | 150 °C | 150 °C |
| Maximum Diameter Of Housing Shoulder (Da) | 353 mm | 353 mm |
| Minimum Chamfer Dimension (R1 Min) | 4 mm | 4 mm |
| Shoulder Diameter Outer Ring (D1) | 321.5 mm | 321.5 mm |
| Axial Displacement (S) | 4.9 mm | 4.9 mm |
| Maximum Recess Radius (Ra1 Max) | 3 mm | 3 mm |
| Fatigue Load Limit, Radial (Cur) | 355,000 N | 355,000 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 | — |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.