Cross-brand designation analysis
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You entered NN3048K. This table explores the base group NN3048; it does not preserve or approve every requested suffix. Search your complete marking first →
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“NN3048” across 3 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 | SKFNN 3048/SPW33240 × 360 × 92 mm | FAGNN3048-AS-K-M-SP240 × 360 × 92 mm | KOYONN3048240 × 360 × 92 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | KOYO |
| Designation | NN 3048/SPW33 | NN3048-AS-K-M-SP | NN3048 |
| Product family | Super-precision cylindrical roller bearings | — | Single-row / NN / Cylindrical bore |
| Detailed type | Super-precision double row cylindrical roller bearing with lubrication feature | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NN3048 | — |
| Bore diameterd | 240 mm | 240 mm | 240 mm |
| Outside diameterD | 360 mm | 360 mm | 360 mm |
| WidthB | 92 mm | 92 mm | 92 mm |
| Basic dynamic load ratingC | 842 kN | 840 kN | 1090 kN |
| Basic static load ratingC0 | 1560 kN | 1580 kN | 1590 kN |
| Fatigue load limitPu | 153 kN | 177 kN | 184 kN |
| Limiting speednG | — | — | 1400 r/min |
| Mass≈m | 30.9 kg | 30.8 kg | 32.8 kg |
| Precision class | — | SP — Tolerance class SP | — |
| Internal clearance | C1 | C1 (Group 1) — Internal clearance smaller than C2 | — |
| Sealing | Without | — | — |
| Cage | Machined metal | M — Brass Cage | — |
| Bearing material | Bearing steel | — | — |
| 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 | — |
| Largebearing | — | Yes | — |
| Classification | |||
| Official Category Path | — | — | Cylindrical roller bearings - Single-row - NN - Cylindrical bore |
| Official Classification 1 | — | — | Cylindrical roller bearings / Single-row / NN / Cylindrical bore |
| Dimensions | |||
| Minimum chamfer dimensionr1 min | — | 3 mm | — |
| Minimum chamfer dimensionr1 min | — | 0.118 in | — |
| Raceway diameter outer ringE | — | 330 mm | — |
| Raceway diameter outer ringE | — | 12.992 in | — |
| Width of lubricating groovens | — | 15 mm | — |
| Width of lubricating groovens | — | 0.591 in | — |
| Diameter lubrication holeds | — | 8 mm | — |
| Diameter lubrication holeds | — | 0.315 in | — |
| Axial displacements | — | 6.1 mm | — |
| Axial displacements | — | 0.24 in | — |
| Engineering — Abutment dimensions | |||
| Abutment diameter shaftd a | min. 253 mm | — | — |
| Abutment diameter housingD a | max. 347 mm | — | — |
| Fillet radiusr a | max. 2.5 mm | — | — |
| Oil nozzle position (not for variants with TNHA cage)d n | 322.5 mm | — | — |
| Engineering — Calculation data | |||
| Attainable speed for grease lubrication | 2200.0 r/min | — | — |
| Attainable speed for oil-air lubrication | 2600.0 r/min | — | — |
| Reference grease quantityG ref | 288 cm³ | — | — |
| Static radial stiffness (guideline value) | 5180 N/µm | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter inner ring (NN design)d 1 | 285.2 mm | — | — |
| Raceway diameter outer ring (NN design)E | 330 mm | — | — |
| Width annular lubrication groove at outer ringb | 15.2 mm | — | — |
| Diameter lubrication hole (outer ring)K | 7.5 mm | — | — |
| Chamfer dimension outer ringr 1,2 | min. 3 mm | — | — |
| Permissible axial displacement from the normal position of one bearing ring relative to the other (all)s | max. 2 mm | — | — |
| Engineering — Engineering specifications | |||
| Bore type | Cylindrical | — | — |
| Logistics | |||
| Product net weight | 30.9 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 840,000 N | — |
| Basic dynamic load rating, radialCr | — | 188,848.921 lbf | — |
| Basic static load rating, radialC0r | — | 1,580,000 N | — |
| Basic static load rating, radialC0r | — | 355,215.827 lbf | — |
| Fatigue load limit, radialCur | — | 177,000 N | — |
| Fatigue load limit, radialCur | — | 39,793.165 lbf | — |
| Limiting speed for grease lubricationnG Grease | — | 2,170 1/min | — |
| Limiting speed for oil lubricationnG Oil | — | 2,550 1/min | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 374739 | — |
| Official Class Key | — | — | 040-020-010 |
| Base Type | — | NN3048 | — |
| Old Designation | — | ["NN3048ASK.M.SP"] | — |
| Gpsd Group | — | F07 | — |
| Product Line Id | — | 39 | — |
| X Life Marking | — | n.r. | — |
| SAP material number | — | 0192315980000 | — |
| Base product | — | 230509014D | — |
| Bearing X designation | — | NN3048-AS-K-M-SP | — |
| Mounting Manager ID | — | NN3048-AS-K-M-SP | — |
| Mounting dimensions | |||
| Diameter shaft shoulderda | — | 274 mm | — |
| Diameter shaft shoulderda | — | 10.787 in | — |
| Diameter shaft shoulder tolerance | — | h12 | — |
| Diameter of housing shoulderDa | — | 337 mm | — |
| Diameter of housing shoulderDa | — | 13.268 in | — |
| Shoulder diameter outer ring clearance | — | H12 | — |
| Maximum recess radiusra1 max | — | 2.5 mm | — |
| Maximum recess radiusra1 max | — | 0.098 in | — |
| Product characteristics | |||
| Tolerance classSP | — | Tolerance class SP | — |
| Bore typeK | — | Tapered, taper 1:12 | — |
| Change markA | — | Internal Variant A | — |
| Radial internal clearanceC1 (Group 1) | — | Internal clearance smaller than C2 | — |
| Number of rows2 | — | Double-row design | — |
| Product identity | |||
| Official product category | Super-precision cylindrical roller bearings | — | — |
| Official taxonomy path | /products/super-precision-bearings/cylindrical-roller-bearings | — | — |
| Structure group ID | BC2_010 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Product Identity | |||
| Construction | — | Super precision cylindrical roller bearings NN30..-AS-K-M-SP, non-locating bearing, double row, with tapered bore, taper 1:12, separable, with cage | — |
| Short Description | — | Cylindrical roller bearing | — |
| Properties | |||
| Bearing part | Complete bearing | — | — |
| Number of rows | 2 | — | — |
| Design | NN | — | — |
| Number of flanges, outer ring | 0 | — | — |
| Number of flanges, inner ring | 3 | — | — |
| Loose flange | None | — | — |
| Radial internal clearance | C1 | — | — |
| Tolerance class | Class SP (SP) | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Relubrication feature | Annular groove and lubrication holes | — | — |
| Indicative carbon footprint for new product | 114.0 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 360 mm |
| B | — | — | 92 mm |
| R(Min.) | — | — | 3 mm |
| Fw | — | — | - mm |
| Bore Diameter (D) | — | 240 mm | — |
| Ew | — | — | 330 mm |
| Outside Diamater (D) | — | 360 mm | — |
| Basic Load Ratings : Cr | — | — | 1090 kN |
| Total Width (B) | — | 92 mm | — |
| Basic Load Ratings : C0R | — | — | 1590 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 840,000 N | — |
| Fatigue Load Limit : Cu | — | — | 184 kN |
| Basic Static Load Rating, Radial (C0R) | — | 1,580,000 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 1400 min-1 |
| Diameter Lubrication Hole (Ds) | — | 8 mm | — |
| Limiting Speeds(Oil Lub.) | — | — | 1700 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Da(Min.) | — | — | 333 mm |
| Limiting Speed For Grease Lubrication (Ng Grea) | — | 2,170 1/min | — |
| Da(Max.) | — | — | 347 mm |
| Minimum Diameter Shaft Shoulder (Da) | — | 274 mm | — |
| Db(Min.) | — | — | - mm |
| Limiting Speed (Ng Oil) | — | 2,550 1/min | — |
| Operating Temperature Max. (Tmax) | — | 150 °C | — |
| Ra(Max.) | — | — | 2.5 mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 337 mm | — |
| Mass(Refer.) | — | — | 32.8 kg |
| Minimum Chamfer Dimension (R1 Min) | — | 3 mm | — |
| Width Of Lubricating Groove (Ns) | — | 15 mm | — |
| Axial Displacement (S) | — | 6.1 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 2.5 mm | — |
| Raceway Diameter Outer Ring (E) | — | 330 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 177,000 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.