Cross-brand designation analysis
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You entered NN3072-AS-K-M-SP. This table explores the base group NN3072; it does not preserve or approve every requested suffix. Search your complete marking first →
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“NN3072” 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 3072 K/SPW33360 × 540 × 134 mm | FAGNN3072-AS-K-M-SP360 × 540 × 134 mm | KOYONN3072360 × 540 × 134 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | KOYO |
| Designation | NN 3072 K/SPW33 | NN3072-AS-K-M-SP | NN3072 |
| 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 | — | NN3072 | — |
| Bore diameterd | 360 mm | 360 mm | 360 mm |
| Outside diameterD | 540 mm | 540 mm | 540 mm |
| WidthB | 134 mm | 134 mm | 134 mm |
| Basic dynamic load ratingC | 1720 kN | 1670 kN | 1950 kN |
| Basic static load ratingC0 | 3450 kN | 3350 kN | 3090 kN |
| Fatigue load limitPu | 310 kN | 350 kN | 315 kN |
| Limiting speednG | — | — | 830 r/min |
| Mass≈m | 107 kg | 102.8 kg | 107 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 | — | 5 mm | — |
| Minimum chamfer dimensionr1 min | — | 0.197 in | — |
| Raceway diameter outer ringE | — | 493 mm | — |
| Raceway diameter outer ringE | — | 19.409 in | — |
| Width of lubricating groovens | — | 17.7 mm | — |
| Width of lubricating groovens | — | 0.697 in | — |
| Diameter lubrication holeds | — | 9.5 mm | — |
| Diameter lubrication holeds | — | 0.374 in | — |
| Axial displacements | — | 8.8 mm | — |
| Axial displacements | — | 0.346 in | — |
| Engineering — Abutment dimensions | |||
| Abutment diameter shaftd a | min. 378 mm | — | — |
| Abutment diameter housingD a | max. 520 mm | — | — |
| Fillet radiusr a | max. 4 mm | — | — |
| Engineering — Calculation data | |||
| Attainable speed for grease lubrication | 1300.0 r/min | — | — |
| Attainable speed for oil-air lubrication | 1500.0 r/min | — | — |
| Static radial stiffness (guideline value) | 7360 N/µm | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter inner ring (NN design)d 1 | 428 mm | — | — |
| Raceway diameter outer ring (NN design)E | 493 mm | — | — |
| Width annular lubrication groove at outer ringb | 16.7 mm | — | — |
| Diameter lubrication hole (outer ring)K | 9 mm | — | — |
| Chamfer dimension outer ringr 1,2 | min. 5 mm | — | — |
| Chamfer dimension inner ring (bearing with tapered bore)r 3,4 | min. 2.5 mm | — | — |
| Permissible axial displacement from the normal position of one bearing ring relative to the other (all)s | max. 10.9 mm | — | — |
| Engineering — Engineering specifications | |||
| Bore type | Tapered 1:12 | — | — |
| Logistics | |||
| Product net weight | 107.0 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 1,670,000 N | — |
| Basic dynamic load rating, radialCr | — | 375,449.64 lbf | — |
| Basic static load rating, radialC0r | — | 3,350,000 N | — |
| Basic static load rating, radialC0r | — | 753,147.482 lbf | — |
| Fatigue load limit, radialCur | — | 350,000 N | — |
| Fatigue load limit, radialCur | — | 78,687.05 lbf | — |
| Limiting speed for grease lubricationnG Grease | — | 1,420 1/min | — |
| Limiting speed for oil lubricationnG Oil | — | 1,670 1/min | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 374921 | — |
| Official Class Key | — | — | 040-020-010 |
| Base Type | — | NN3072 | — |
| Gpsd Group | — | F07 | — |
| Product Line Id | — | 39 | — |
| X Life Marking | — | n.r. | — |
| SAP material number | — | 0192317170000 | — |
| Base product | — | 230509014D | — |
| Bearing X designation | — | NN3072-AS-K-M-SP | — |
| Mounting Manager ID | — | NN3072-AS-K-M-SP | — |
| Mounting dimensions | |||
| Diameter shaft shoulderda | — | 413 mm | — |
| Diameter shaft shoulderda | — | 16.26 in | — |
| Diameter shaft shoulder tolerance | — | h12 | — |
| Diameter of housing shoulderDa | — | 503 mm | — |
| Diameter of housing shoulderDa | — | 19.803 in | — |
| Shoulder diameter outer ring clearance | — | H12 | — |
| Maximum recess radiusra1 max | — | 4 mm | — |
| Maximum recess radiusra1 max | — | 0.157 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 | 396.0 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 540 mm |
| B | — | — | 134 mm |
| R(Min.) | — | — | 5 mm |
| Bore Diameter (D) | — | 360 mm | — |
| Fw | — | — | - mm |
| Outside Diamater (D) | — | 540 mm | — |
| Ew | — | — | 493 mm |
| Total Width (B) | — | 134 mm | — |
| Basic Load Ratings : Cr | — | — | 1950 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 1,670,000 N | — |
| Basic Load Ratings : C0R | — | — | 3090 kN |
| Basic Static Load Rating, Radial (C0R) | — | 3,350,000 N | — |
| Fatigue Load Limit : Cu | — | — | 315 kN |
| Diameter Lubrication Hole (Ds) | — | 9.5 mm | — |
| Limiting Speeds(Grease Lub.) | — | — | 830 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Limiting Speeds(Oil Lub.) | — | — | 990 min-1 |
| Limiting Speed For Grease Lubrication (Ng Grea) | — | 1,420 1/min | — |
| Da(Min.) | — | — | 497 mm |
| Minimum Diameter Shaft Shoulder (Da) | — | 413 mm | — |
| Da(Max.) | — | — | 520 mm |
| Limiting Speed (Ng Oil) | — | 1,670 1/min | — |
| Db(Min.) | — | — | - mm |
| Operating Temperature Max. (Tmax) | — | 150 °C | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 503 mm | — |
| Ra(Max.) | — | — | 4 mm |
| Minimum Chamfer Dimension (R1 Min) | — | 5 mm | — |
| Mass(Refer.) | — | — | 107 kg |
| Width Of Lubricating Groove (Ns) | — | 17.7 mm | — |
| Axial Displacement (S) | — | 8.8 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 4 mm | — |
| Raceway Diameter Outer Ring (E) | — | 493 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 350,000 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.