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| Parameter | SKFN 307 ECP35 × 80 × 21 mm | FAGN307-E-XL-M135 × 80 × 21 mm | NSKN307W35 × 80 × 21 mm | KOYON30735 × 80 × 21 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | N 307 ECP | N307-E-XL-M1 | N307W | N307 |
| Product family | Cylindrical roller bearings | — | Cylindrical roller bearing | Single-row / N |
| Detailed type | Single row cylindrical roller bearing, n design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Bore diameterd | 35 mm | 35 mm | 35 mm | 35 mm |
| Outside diameterD | 80 mm | 80 mm | 80 mm | 80 mm |
| WidthB | 21 mm | 21 mm | 21 mm | 21 mm |
| Basic dynamic load ratingC | 75 kN | 76 kN | 61 kN | 62 kN |
| Basic static load ratingC0 | 63 kN | 63 kN | 47 kN | 46.9 kN |
| Fatigue load limitPu | 8.15 kN | 10.6 kN | — | 6.2 kN |
| Reference speednref | 9500 r/min | — | — | — |
| Limiting speednG | 11000 r/min | — | — | 7900 r/min |
| Mass≈m | 0.465 kg | 0.536 kg | — | 0.462 kg |
| Internal clearance | CN | — | — | — |
| Sealing | Without | — | — | — |
| Cage | Non-metallic | M1 — Two Piece Brass Cage Roller Guided | Pressed steel | — |
| Lubricant | None | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | 21 mm | — |
| Minimum bearing chamferr min. | — | — | 1.5 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 1.1 mm | — |
| Roller circumscribed circle diameterEw | — | — | 68.2 mm | — |
| Capabilities & suitability | ||||
| Radial load capacity | — | 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 | — | — | 0.476 kg | — |
| Classification | ||||
| Official Category Path | — | — | — | Cylindrical roller bearings - Single-row - N |
| Official Classification 1 | — | — | — | Cylindrical roller bearings / Single-row / N |
| Construction | ||||
| Single-row construction type | — | — | N | — |
| Rib arrangement | — | — | Two inner-ring ribs; ribless outer ring | — |
| Standard cage material | — | — | Pressed steel | — |
| Standard cage marking | — | — | W | — |
| Other cage codes listed for this catalogue row | — | — | M | — |
| 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 dimensionr1 min | — | 1.1 mm | — | — |
| Minimum chamfer dimensionr1 min | — | 0.043 in | — | — |
| Raceway diameter outer ringE | — | 70.2 mm | — | — |
| Raceway diameter outer ringE | — | 2.764 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of spacer sleeved a | max. 68 mm | — | — | — |
| Diameter of housing abutmentD a | max. 73.4 mm | — | — | — |
| Radius of filletr a | max. 1.5 mm | — | — | — |
| Radius of filletr b | max. 1 mm | — | — | — |
| Engineering — Calculation data | ||||
| SKF performance class | SKF Explorer | — | — | — |
| Minimum load factork r | 0.12 | — | — | — |
| Limiting valuee | 0.2 | — | — | — |
| Calculation factorY | 0.6 | — | — | — |
| Engineering — Dimensions | ||||
| Shoulder diameter of inner ringd 1 | ≈ 51 mm | — | — | — |
| Raceway diameter of outer ringE | 70.2 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 1.5 mm | — | — | — |
| Chamfer dimensionr 3,4 | min. 1.1 mm | — | — | — |
| Permissible axial displacements | max. 1.2 mm | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 61000 N | — |
| Basic static radial load ratingC0r | — | — | 47000 N | — |
| Logistics | ||||
| Product net weight | 0.465 kg | — | — | — |
| eClass code | 23-05-09-01 | — | — | — |
| UNSPSC code | 31171505 | — | — | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 9500 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | Not stated in this catalogue row | — |
| Limiting speed — grease | — | — | 6300 r/min | — |
| Limiting speed — oil bath | — | — | 7500 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 76,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 17,086.331 lbf | — | — |
| Basic static load rating, radialC0r | — | 63,000 N | — | — |
| Basic static load rating, radialC0r | — | 14,163.669 lbf | — | — |
| Fatigue load limit, radialCur | — | 10,600 N | — | — |
| Fatigue load limit, radialCur | — | 2,383.094 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 367682 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Gpsd Group | — | F01 | — | — |
| Product Line Id | — | 12 | — | — |
| SAP material number | — | 0192184350000 | — | — |
| Base product | — | 2305090101 | — | — |
| Bearing X designation | — | N307-E-XL-M1 | — | — |
| Mounting Manager ID | — | N307-E-XL-M1 | — | — |
| Grease application ID | — | N307-E-XL-M1 | — | — |
| Mounting dimensions | ||||
| Diameter of housing shoulderDa | — | 71 mm | — | — |
| Diameter of housing shoulderDa | — | 2.795 in | — | — |
| Maximum recess radiusra1 max | — | 1 mm | — | — |
| Maximum recess radiusra1 max | — | 0.039 in | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterda min. | — | — | 43 mm | — |
| Maximum housing shoulder diameterDb max. | — | — | 73.5 mm | — |
| Minimum housing shoulder diameterDb min. | — | — | 70 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 1.5 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 1 mm | — |
| Product characteristics | ||||
| Change markE | — | Increased Capacity Design | — | — |
| 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 N3..-E-M1, with cage, single row, non-locating bearing, 0 ribs on outer ring, 2 rib on inner ring, type N3 | — | — |
| 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 | 0 | — | — | — |
| Number of flanges, inner ring | 2 | — | — | — |
| Loose flange | None | — | — | — |
| Radial internal clearance | CN | — | — | — |
| Tolerance class | Normal | — | — | — |
| Coating | Without | — | — | — |
| Relubrication feature | Without | — | — | — |
| Indicative carbon footprint for new product | 1.7 kg CO 2 e | — | — | — |
| Technical Data | ||||
| d | — | — | — | 80 mm |
| Bore Diameter (D) | — | 35 mm | — | — |
| B | — | — | — | 21 mm |
| Outside Diamater (D) | — | 80 mm | — | — |
| R(Min.) | — | — | — | 1.5 mm |
| Total Width (B) | — | 21 mm | — | — |
| R1(Min.) | — | — | — | 1.1 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 76,000 N | — | — |
| Fw | — | — | — | - mm |
| Basic Static Load Rating, Radial (C0R) | — | 63,000 N | — | — |
| Ew | — | — | — | 68.2 mm |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Basic Load Ratings : Cr | — | — | — | 62.0 kN |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — |
| Basic Load Ratings : C0R | — | — | — | 46.9 kN |
| Maximum Diameter Of Housing Shoulder (Da) | — | 71 mm | — | — |
| Fatigue Load Limit : Cu | — | — | — | 6.20 kN |
| Minimum Chamfer Dimension (R1 Min) | — | 1.1 mm | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 7900 min-1 |
| Maximum Recess Radius (Ra1 Max) | — | 1 mm | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 10000 min-1 |
| Raceway Diameter Outer Ring (E) | — | 70.2 mm | — | — |
| Sd1 | — | — | — | - mm |
| Fatigue Load Limit, Radial (Cur) | — | 10,600 N | — | — |
| B1 | — | — | — | - mm |
| B2 | — | — | — | - mm |
| Da(Min.) | — | — | — | 43 mm |
| Db(Min.) | — | — | — | 71 mm |
| Db(Max.) | — | — | — | 73.5 mm |
| Dc(Min.) | — | — | — | - mm |
| Dd(Min.) | — | — | — | - mm |
| Da(Max.) | — | — | — | - mm |
| Ra(Max.) | — | — | — | 1.5 mm |
| Rb(Max.) | — | — | — | 1 mm |
| Mass(Refer.) | — | — | — | 0.462 kg |
| 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.