Cross-brand designation analysis
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Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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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
“NU1048” across 4 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 1048 M240 × 360 × 56 mm | FAGNU1048-M1240 × 360 × 56 mm | NSKNU1048240 × 360 × 56 mm | KOYONU1048240 × 360 × 56 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | NU 1048 M | NU1048-M1 | NU1048 | NU1048 |
| Product family | Cylindrical roller bearings | — | Cylindrical roller bearing | Single-row / NU |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU1048 | — | — |
| Bore diameterd | 240 mm | 240 mm | 240 mm | 240 mm |
| Outside diameterD | 360 mm | 360 mm | 360 mm | 360 mm |
| WidthB | 56 mm | 56 mm | 56 mm | 56 mm |
| Basic dynamic load ratingC | 600 kN | 540 kN | 650 kN | 673 kN |
| Basic static load ratingC0 | 800 kN | 840 kN | 820 kN | 822 kN |
| Fatigue load limitPu | 78 kN | 74 kN | — | 95 kN |
| Reference speednref | 2000 r/min | 1850 r/min | — | — |
| Limiting speednG | 2000 r/min | 3000 r/min | — | 1600 r/min |
| Mass≈m | 19.5 kg | 19.8 kg | — | 20.1 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 | — | — | 56 mm | — |
| Minimum bearing chamferr min. | — | — | 3 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 3 mm | — |
| Roller inscribed circle diameterFw | — | — | 270 mm | — |
| Capabilities & suitability | ||||
| Radial load capacity | — | Yes | — | — |
| Suitable for grease lubrication | — | Yes | — | — |
| Suitable for oil lubrication | — | Yes | — | — |
| Unsealed design | — | Yes | — | — |
| Largebearing | — | Yes | — | — |
| Catalogue reference mass | ||||
| Approximate shared-row mass — not separately stated for each rib arrangement | — | — | 19.5 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 | — | — | 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 | — | 3 mm | — | — |
| Minimum chamfer dimensionrmin | — | 0.118 in | — | — |
| Minimum chamfer dimensionr1 min | — | 3 mm | — | — |
| Minimum chamfer dimensionr1 min | — | 0.118 in | — | — |
| Axial displacements | — | 6.4 mm | — | — |
| Axial displacements | — | 0.252 in | — | — |
| Raceway diameter outer ringE | — | 330 mm | — | — |
| Raceway diameter outer ringE | — | 12.992 in | — | — |
| Raceway diameter inner ringF | — | 270 mm | — | — |
| Raceway diameter inner ringF | — | 10.63 in | — | — |
| Minimum rib diameter outer ringD1 min | — | 318.9 mm | — | — |
| Minimum rib diameter outer ringD1 min | — | 12.555 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of spacer sleeved a | max. 266 mm | — | — | — |
| Diameter of shaft abutmentd b | min. 274 mm | — | — | — |
| Diameter of housing abutmentD a | max. 348 mm | — | — | — |
| Radius of filletr a | max. 2.5 mm | — | — | — |
| Radius of filletr b | max. 2.5 mm | — | — | — |
| Engineering — Associated products | ||||
| Angle ring | HJ 1048 | — | — | — |
| Engineering — Calculation data | ||||
| SKF performance class | SKF Explorer | — | — | — |
| Minimum load factork r | 0.1 | — | — | — |
| Limiting valuee | 0.2 | — | — | — |
| Calculation factorY | 0.6 | — | — | — |
| Engineering — Dimensions | ||||
| Shoulder diameter of outer ringD 1 | ≈ 314.65 mm | — | — | — |
| Raceway diameter of inner ringF | 270 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 3 mm | — | — | — |
| Chamfer dimensionr 3,4 | min. 3 mm | — | — | — |
| Permissible axial displacements | max. 7.5 mm | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 650000 N | — |
| Basic static radial load ratingC0r | — | — | 820000 N | — |
| Logistics | ||||
| Product net weight | 19.5 kg | — | — | — |
| eClass code | 23-05-09-01 | — | — | — |
| UNSPSC code | 31171505 | — | — | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 2200 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | Not stated in this catalogue row | — |
| Limiting speed — grease | — | — | 1600 r/min | — |
| Limiting speed — oil bath | — | — | 2000 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 540,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 121,402.878 lbf | — | — |
| Basic static load rating, radialC0r | — | 840,000 N | — | — |
| Basic static load rating, radialC0r | — | 188,848.921 lbf | — | — |
| Fatigue load limit, radialCur | — | 74,000 N | — | — |
| Fatigue load limit, radialCur | — | 16,636.691 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 369103 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Base Type | — | NU1048 | — | — |
| Old Designation | — | ["NU1048M1","NU1048M"] | — | — |
| Gpsd Group | — | F01 | — | — |
| Product Line Id | — | 75 | — | — |
| X Life Marking | — | n.r. | — | — |
| SAP material number | — | 0167374150000 | — | — |
| Base product | — | 2305090102 | — | — |
| Bearing X designation | — | NU1048-M1 | — | — |
| Mounting Manager ID | — | NU1048-M1 | — | — |
| Grease application ID | — | NU1048-M1 | — | — |
| Mounting dimensions | ||||
| Minimum diameter shaft shoulderda min | — | 252 mm | — | — |
| Minimum diameter shaft shoulderda min | — | 9.921 in | — | — |
| Maximum diameter of shaft shoulderda max | — | 268 mm | — | — |
| Maximum diameter of shaft shoulderda max | — | 10.551 in | — | — |
| Minimum shaft shoulderdb min | — | 275 mm | — | — |
| Minimum shaft shoulderdb min | — | 10.827 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 348 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 13.701 in | — | — |
| Maximum recess radiusra max | — | 2.5 mm | — | — |
| Maximum recess radiusra max | — | 0.098 in | — | — |
| Maximum recess radiusra1 max | — | 2.5 mm | — | — |
| Maximum recess radiusra1 max | — | 0.098 in | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterdb min. | — | — | 253 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 347 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 266 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 2.5 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 2.5 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 | 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 | 72.0 kg CO 2 e | — | — | — |
| Indicative carbon footprint for remanufactured product | 23.9 kg CO 2 e | — | — | — |
| Technical Data | ||||
| d | — | — | — | 360 mm |
| B | — | — | — | 56 mm |
| R(Min.) | — | — | — | 3 mm |
| R1(Min.) | — | — | — | 3 mm |
| Bore Diameter (D) | — | 240 mm | — | — |
| Fw | — | — | — | 270 mm |
| Outside Diamater (D) | — | 360 mm | — | — |
| Ew | — | — | — | - mm |
| Total Width (B) | — | 56 mm | — | — |
| Basic Load Ratings : Cr | — | — | — | 673 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 540,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | 822 kN |
| Basic Static Load Rating, Radial (C0R) | — | 840,000 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | 95.0 kN |
| Raceway Diameter Inner Ring (F) | — | 270 mm | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 1600 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 1900 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | — | 252 mm | — | — |
| Sd1 | — | — | — | - mm |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — |
| B1 | — | — | — | - mm |
| Limiting Speed (Limiting Spe) | — | 3,000 1/min | — | — |
| B2 | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 1,850 1/min | — | — |
| Da(Min.) | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 2.5 mm | — | — |
| Db(Min.) | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 348 mm | — | — |
| Db(Max.) | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 3 mm | — | — |
| Dc(Min.) | — | — | — | - mm |
| Axial Displacement (S) | — | 6.4 mm | — | — |
| Dd(Min.) | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 318.9 mm | — | — |
| Da(Max.) | — | — | — | 347 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 268 mm | — | — |
| Maximum Recess Radius (Ra1 Max) | — | 2.5 mm | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 3 mm | — | — |
| Ra(Max.) | — | — | — | 2.5 mm |
| Raceway Diameter Outer Ring (E) | — | 330 mm | — | — |
| Rb(Max.) | — | — | — | 2.5 mm |
| Minimum Shaft Shoulder (Db Min) | — | 275 mm | — | — |
| Mass(Refer.) | — | — | — | 20.1 kg |
| Fatigue Load Limit, Radial (Cur) | — | 74,000 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.