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| Parameter | SKFNJ 1038 ML190 × 290 × 46 mm | FAGNJ1038-XL-M1190 × 290 × 46 mm | NSKNJ1038190 × 290 × 46 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | NSK |
| Designation | NJ 1038 ML | NJ1038-XL-M1 | NJ1038 |
| Product family | Cylindrical roller bearings | — | Cylindrical roller bearing |
| Detailed type | Single row cylindrical roller bearing, nj design | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NJ1038 | — |
| Bore diameterd | 190 mm | 190 mm | 190 mm |
| Outside diameterD | 290 mm | 290 mm | 290 mm |
| WidthB | 46 mm | 46 mm | 46 mm |
| Basic dynamic load ratingC | 400 kN | 435 kN | 445 kN |
| Basic static load ratingC0 | 500 kN | 550 kN | 535 kN |
| Fatigue load limitPu | 53 kN | 82 kN | — |
| Reference speednref | 2600 r/min | 2410 r/min | — |
| Limiting speednG | 3800 r/min | 4350 r/min | — |
| Mass≈m | 11.1 kg | 11.02 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 | Machined brass |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 150 °C | — |
| Boundary dimensions | |||
| Bearing widthB | — | — | 46 mm |
| Minimum bearing chamferr min. | — | — | 2.1 mm |
| Minimum secondary bearing chamferr1 min. | — | — | 2.1 mm |
| Roller inscribed circle diameterFw | — | — | 215 mm |
| Capabilities & suitability | |||
| Radial load capacity | — | Yes | — |
| Axial load capacity in one direction | — | 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 | — | — | 10.7 kg |
| Construction | |||
| Single-row construction type | — | — | NJ |
| Rib arrangement | — | — | Two outer-ring ribs; one inner-ring rib |
| Standard cage material | — | — | Machined brass |
| Standard cage marking | — | — | M is usually omitted for this series |
| 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 | — | — | No optimized-crowning asterisk on this row |
| Dimensions | |||
| Minimum chamfer dimensionrmin | — | 2.1 mm | — |
| Minimum chamfer dimensionrmin | — | 0.083 in | — |
| Minimum chamfer dimensionr1 min | — | 2.1 mm | — |
| Minimum chamfer dimensionr1 min | — | 0.083 in | — |
| Axial displacements | — | 5 mm | — |
| Axial displacements | — | 0.197 in | — |
| Raceway diameter outer ringE | — | 265 mm | — |
| Raceway diameter outer ringE | — | 10.433 in | — |
| Raceway diameter inner ringF | — | 215 mm | — |
| Raceway diameter inner ringF | — | 8.465 in | — |
| Minimum rib diameter outer ringD1 min | — | 255.9 mm | — |
| Minimum rib diameter outer ringD1 min | — | 10.075 in | — |
| Maximum rib diameter inner ringd1 | — | 224.8 mm | — |
| Maximum rib diameter inner ringd1 | — | 8.85 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of spacer sleeved a | max. 212 mm | — | — |
| Diameter of shaft abutmentd b | min. 231 mm | — | — |
| Diameter of housing abutmentD a | max. 280 mm | — | — |
| Radius of filletr a | max. 2 mm | — | — |
| Engineering — Associated products | |||
| Angle ring | HJ 1038 | — | — |
| 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 inner ringd 1 | ≈ 225 mm | — | — |
| Shoulder diameter of outer ringD 1 | ≈ 256.1 mm | — | — |
| Raceway diameter of inner ringF | 215 mm | — | — |
| Chamfer dimensionr 1,2 | min. 2.1 mm | — | — |
| Chamfer dimensionr 3,4 | min. 2.1 mm | — | — |
| Permissible axial displacements | max. 6.1 mm | — | — |
| Load ratings — standard cage | |||
| Basic dynamic radial load ratingCr | — | — | 445000 N |
| Basic static radial load ratingC0r | — | — | 535000 N |
| Logistics | |||
| Product net weight | 11.1 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Lubrication-qualified speed — standard cage | |||
| Thermal speed rating — oil bath | — | — | 2800 r/min |
| Mechanical limiting speed — forced oil circulation | — | — | Not stated in this catalogue row |
| Limiting speed — grease | — | — | 2000 r/min |
| Limiting speed — oil bath | — | — | 2600 r/min |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 435,000 N | — |
| Basic dynamic load rating, radialCr | — | 97,796.763 lbf | — |
| Basic static load rating, radialC0r | — | 550,000 N | — |
| Basic static load rating, radialC0r | — | 123,651.079 lbf | — |
| Fatigue load limit, radialCur | — | 82,000 N | — |
| Fatigue load limit, radialCur | — | 18,435.252 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 372198 | — |
| Base Type | — | NJ1038 | — |
| Old Designation | — | ["NJ1038-M1"] | — |
| Gpsd Group | — | F01 | — |
| Product Line Id | — | 63 | — |
| X Life Marking | — | XL | — |
| SAP material number | — | 0192205700000 | — |
| Base product | — | 2305090111 | — |
| Bearing X designation | — | NJ1038-XL-M1 | — |
| Mounting Manager ID | — | NJ1038-XL-M1 | — |
| Grease application ID | — | NJ1038-XL-M1 | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 200 mm | — |
| Minimum diameter shaft shoulderda min | — | 7.874 in | — |
| Maximum diameter of shaft shoulderda max | — | 213 mm | — |
| Maximum diameter of shaft shoulderda max | — | 8.386 in | — |
| Maximum diameter of housing shoulderDa max | — | 280 mm | — |
| Maximum diameter of housing shoulderDa max | — | 11.024 in | — |
| Minimum shaft shoulderdc min | — | 227 mm | — |
| Minimum shaft shoulderdc min | — | 8.937 in | — |
| Maximum recess radiusra max | — | 2.1 mm | — |
| Maximum recess radiusra max | — | 0.083 in | — |
| Mounting dimensions — shown arrangement | |||
| Minimum shaft shoulder diameterdb min. | — | — | 201 mm |
| Maximum housing shoulder diameterDa max. | — | — | 279 mm |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 212 mm |
| Maximum adjacent fillet radiusra max. | — | — | 2 mm |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 2 mm |
| 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 | No | — | — |
| Product Identity | |||
| Construction | — | Cylindrical roller bearing NJ..-XL-M1, with cage, single row, semi-locating bearing, 2 ribs on outer ring, 1 rib on inner ring, type NJ | — |
| Short Description | — | Cylindrical roller bearing | — |
| Properties | |||
| Bearing part | Complete bearing | — | — |
| Axial displacement capability | In one direction | — | — |
| Number of rows | 1 | — | — |
| Locating feature, bearing outer ring | Without | — | — |
| Bore type | Cylindrical | — | — |
| Number of flanges, outer ring | 2 | — | — |
| Number of flanges, inner ring | 1 | — | — |
| Loose flange | None | — | — |
| Radial internal clearance | CN | — | — |
| Tolerance class | Normal | — | — |
| Coating | Without | — | — |
| Relubrication feature | Without | — | — |
| Indicative carbon footprint for new product | 41.2 kg CO 2 e | — | — |
| Technical Data | |||
| Bore Diameter (D) | — | 190 mm | — |
| Outside Diamater (D) | — | 290 mm | — |
| Total Width (B) | — | 46 mm | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 435,000 N | — |
| Basic Static Load Rating, Radial (C0R) | — | 550,000 N | — |
| Raceway Diameter Inner Ring (F) | — | 215 mm | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Minimum Diameter Shaft Shoulder (Da) | — | 200 mm | — |
| Operating Temperature Max. (Tmax) | — | 150 °C | — |
| Limiting Speed (Limiting Spe) | — | 4,350 1/min | — |
| Minimum Shaft Shoulder (Dc Min) | — | 227 mm | — |
| Reference Speed (Nϑr) | — | 2,410 1/min | — |
| Maximum Recess Radius (Ra Max) | — | 2.1 mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 280 mm | — |
| Maximum Rib Diameter Inner Ring (D1) | — | 224.8 mm | — |
| Minimum Chamfer Dimension (R1 Min) | — | 2.1 mm | — |
| Axial Displacement (S) | — | 5 mm | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 255.9 mm | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 213 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 2.1 mm | — |
| Raceway Diameter Outer Ring (E) | — | 265 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 82,000 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.