Cross-brand designation analysis
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You entered NN-3052-SPC3W33. This table explores the base group NN3052; it does not preserve or approve every requested suffix. Search your complete marking first →
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“NN3052” 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 3052 K/SPW33260 × 400 × 104 mm | FAGNN3052-AS-K-M-SP260 × 400 × 104 mm | KOYONN3052260 × 400 × 104 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | KOYO |
| Designation | NN 3052 K/SPW33 | NN3052-AS-K-M-SP | NN3052 |
| Product family | Super-precision cylindrical roller bearings | — | Single-row / NN / Cylindrical bore |
| Detailed type | Super-precision double row cylindrical roller bearing with tapered bore and lubrication feature | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NN3052 | — |
| Bore diameterd | 260 mm | 260 mm | 260 mm |
| Outside diameterD | 400 mm | 400 mm | 400 mm |
| WidthB | 104 mm | 104 mm | 104 mm |
| Basic dynamic load ratingC | 1020 kN | 1070 kN | 1290 kN |
| Basic static load ratingC0 | 1930 kN | 2010 kN | 1830 kN |
| Fatigue load limitPu | 183 kN | 223 kN | 204 kN |
| Limiting speednG | — | — | 1300 r/min |
| Mass≈m | 46 kg | 46.2 kg | 47.4 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 | — | 4 mm | — |
| Minimum chamfer dimensionr1 min | — | 0.157 in | — |
| Raceway diameter outer ringE | — | 364 mm | — |
| Raceway diameter outer ringE | — | 14.331 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 | — | 6.6 mm | — |
| Axial displacements | — | 0.26 in | — |
| Engineering — Abutment dimensions | |||
| Abutment diameter shaftd a | min. 276 mm | — | — |
| Abutment diameter housingD a | max. 384 mm | — | — |
| Fillet radiusr a | max. 3 mm | — | — |
| Oil nozzle position (not for variants with TNHA cage)d n | 355.3 mm | — | — |
| Engineering — Calculation data | |||
| Attainable speed for grease lubrication | 2000.0 r/min | — | — |
| Attainable speed for oil-air lubrication | 2400.0 r/min | — | — |
| Reference grease quantityG ref | 392 cm³ | — | — |
| Static radial stiffness (guideline value) | 5570 N/µm | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter inner ring (NN design)d 1 | 312.8 mm | — | — |
| Raceway diameter outer ring (NN design)E | 364 mm | — | — |
| Width annular lubrication groove at outer ringb | 15.3 mm | — | — |
| Diameter lubrication hole (outer ring)K | 7.5 mm | — | — |
| Chamfer dimension outer ringr 1,2 | min. 4 mm | — | — |
| Chamfer dimension inner ring (bearing with tapered bore)r 3,4 | min. 1.5 mm | — | — |
| Permissible axial displacement from the normal position of one bearing ring relative to the other (all)s | max. 5 mm | — | — |
| Engineering — Engineering specifications | |||
| Bore type | Tapered 1:12 | — | — |
| Logistics | |||
| Product net weight | 46.0 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 1,070,000 N | — |
| Basic dynamic load rating, radialCr | — | 240,557.554 lbf | — |
| Basic static load rating, radialC0r | — | 2,010,000 N | — |
| Basic static load rating, radialC0r | — | 451,888.489 lbf | — |
| Fatigue load limit, radialCur | — | 223,000 N | — |
| Fatigue load limit, radialCur | — | 50,134.892 lbf | — |
| Limiting speed for grease lubricationnG Grease | — | 1,930 1/min | — |
| Limiting speed for oil lubricationnG Oil | — | 2,280 1/min | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 374914 | — |
| Official Class Key | — | — | 040-020-010 |
| Base Type | — | NN3052 | — |
| Gpsd Group | — | F07 | — |
| Product Line Id | — | 39 | — |
| X Life Marking | — | n.r. | — |
| SAP material number | — | 0192316280000 | — |
| Base product | — | 230509014D | — |
| Bearing X designation | — | NN3052-AS-K-M-SP | — |
| Mounting Manager ID | — | NN3052-AS-K-M-SP | — |
| Mounting dimensions | |||
| Diameter shaft shoulderda | — | 300 mm | — |
| Diameter shaft shoulderda | — | 11.811 in | — |
| Diameter shaft shoulder tolerance | — | h12 | — |
| Diameter of housing shoulderDa | — | 372 mm | — |
| Diameter of housing shoulderDa | — | 14.646 in | — |
| Shoulder diameter outer ring clearance | — | H12 | — |
| Maximum recess radiusra1 max | — | 3 mm | — |
| Maximum recess radiusra1 max | — | 0.118 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 | 170.0 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 400 mm |
| B | — | — | 104 mm |
| R(Min.) | — | — | 4 mm |
| Bore Diameter (D) | — | 260 mm | — |
| Fw | — | — | - mm |
| Outside Diamater (D) | — | 400 mm | — |
| Ew | — | — | 364 mm |
| Total Width (B) | — | 104 mm | — |
| Basic Load Ratings : Cr | — | — | 1290 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 1,070,000 N | — |
| Basic Load Ratings : C0R | — | — | 1830 kN |
| Basic Static Load Rating, Radial (C0R) | — | 2,010,000 N | — |
| Fatigue Load Limit : Cu | — | — | 204 kN |
| Diameter Lubrication Hole (Ds) | — | 8 mm | — |
| Limiting Speeds(Grease Lub.) | — | — | 1300 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Limiting Speeds(Oil Lub.) | — | — | 1500 min-1 |
| Limiting Speed For Grease Lubrication (Ng Grea) | — | 1,930 1/min | — |
| Da(Min.) | — | — | 367 mm |
| Minimum Diameter Shaft Shoulder (Da) | — | 300 mm | — |
| Da(Max.) | — | — | 384 mm |
| Limiting Speed (Ng Oil) | — | 2,280 1/min | — |
| Db(Min.) | — | — | - mm |
| Operating Temperature Max. (Tmax) | — | 150 °C | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 372 mm | — |
| Ra(Max.) | — | — | 3 mm |
| Minimum Chamfer Dimension (R1 Min) | — | 4 mm | — |
| Mass(Refer.) | — | — | 47.4 kg |
| Width Of Lubricating Groove (Ns) | — | 15 mm | — |
| Axial Displacement (S) | — | 6.6 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 3 mm | — |
| Raceway Diameter Outer Ring (E) | — | 364 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 223,000 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.