Cross-brand designation analysis
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You entered N306-E-XL-M1. This table explores the base group N306; it does not preserve or approve every requested suffix. Search your complete marking first →
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Dimensions verified
“N306” 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 | SKFN 306 ECP30 × 72 × 19 mm | FAGN306-E-XL-M130 × 72 × 19 mm | NSKN306W30 × 72 × 19 mm | KOYON30630 × 72 × 19 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | N 306 ECP | N306-E-XL-M1 | N306W | N306 |
| 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 | 30 mm | 30 mm | 30 mm | 30 mm |
| Outside diameterD | 72 mm | 72 mm | 72 mm | 72 mm |
| WidthB | 19 mm | 19 mm | 19 mm | 19 mm |
| Basic dynamic load ratingC | 58.5 kN | 61 kN | 47.5 kN | 48.3 kN |
| Basic static load ratingC0 | 48 kN | 48 kN | 35 kN | 35.2 kN |
| Fatigue load limitPu | 6.2 kN | 7.7 kN | — | 5 kN |
| Reference speednref | 11000 r/min | — | — | — |
| Limiting speednG | 12000 r/min | — | — | 8700 r/min |
| Mass≈m | 0.358 kg | 0.41142 kg | — | 0.343 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — |
| 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 | — | — | 19 mm | — |
| Minimum bearing chamferr min. | — | — | 1.1 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 1.1 mm | — |
| Roller circumscribed circle diameterEw | — | — | 62 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 | — | — | 0.353 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 | — | 62.5 mm | — | — |
| Raceway diameter outer ringE | — | 2.461 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of spacer sleeved a | max. 61 mm | — | — | — |
| Diameter of housing abutmentD a | max. 65.5 mm | — | — | — |
| Radius of filletr a | max. 1 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 | ≈ 45 mm | — | — | — |
| Raceway diameter of outer ringE | 62.5 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 1.1 mm | — | — | — |
| Chamfer dimensionr 3,4 | min. 1.1 mm | — | — | — |
| Permissible axial displacements | max. 1.4 mm | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 47500 N | — |
| Basic static radial load ratingC0r | — | — | 35000 N | — |
| Logistics | ||||
| Product net weight | 0.358 kg | — | — | — |
| eClass code | 23-05-09-01 | — | — | — |
| UNSPSC code | 31171505 | — | — | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 10000 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | Not stated in this catalogue row | — |
| Limiting speed — grease | — | — | 7100 r/min | — |
| Limiting speed — oil bath | — | — | 8500 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 61,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 13,714.029 lbf | — | — |
| Basic static load rating, radialC0r | — | 48,000 N | — | — |
| Basic static load rating, radialC0r | — | 10,791.367 lbf | — | — |
| Fatigue load limit, radialCur | — | 7,700 N | — | — |
| Fatigue load limit, radialCur | — | 1,731.115 lbf | — | — |
| Limiting speed for grease lubricationnG Grease | — | 16,100 1/min | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 367678 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Gpsd Group | — | F01 | — | — |
| Product Line Id | — | 12 | — | — |
| SAP material number | — | 0192184000000 | — | — |
| Base product | — | 2305090101 | — | — |
| Bearing X designation | — | N306-E-XL-M1 | — | — |
| Mounting Manager ID | — | N306-E-XL-M1 | — | — |
| Grease application ID | — | N306-E-XL-M1 | — | — |
| Mounting dimensions | ||||
| Diameter shaft shoulderda | — | 37 mm | — | — |
| Diameter shaft shoulderda | — | 1.457 in | — | — |
| Diameter of housing shoulderDa | — | 65 mm | — | — |
| Diameter of housing shoulderDa | — | 2.559 in | — | — |
| Maximum recess radiusra1 max | — | 1 mm | — | — |
| Maximum recess radiusra1 max | — | 0.039 in | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterda min. | — | — | 36.5 mm | — |
| Maximum housing shoulder diameterDb max. | — | — | 65.5 mm | — |
| Minimum housing shoulder diameterDb min. | — | — | 64 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 1 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 1 mm | — |
| Product characteristics | ||||
| Tolerance classPN | — | Normal (ISO 492:2023) | — | — |
| Change markE | — | Increased Capacity Design | — | — |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance | — | — |
| 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 | 1.3 kg CO 2 e | — | — | — |
| Technical Data | ||||
| d | — | — | — | 72 mm |
| Bore Diameter (D) | — | 30 mm | — | — |
| B | — | — | — | 19 mm |
| Outside Diamater (D) | — | 72 mm | — | — |
| R(Min.) | — | — | — | 1.1 mm |
| Total Width (B) | — | 19 mm | — | — |
| R1(Min.) | — | — | — | 1.1 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 61,000 N | — | — |
| Fw | — | — | — | - mm |
| Basic Static Load Rating, Radial (C0R) | — | 48,000 N | — | — |
| Ew | — | — | — | 62 mm |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Basic Load Ratings : Cr | — | — | — | 48.3 kN |
| Limiting Speed For Grease Lubrication (Ng Grea) | — | 16,100 1/min | — | — |
| Basic Load Ratings : C0R | — | — | — | 35.2 kN |
| Minimum Diameter Shaft Shoulder (Da) | — | 37 mm | — | — |
| Fatigue Load Limit : Cu | — | — | — | 5.00 kN |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 8700 min-1 |
| Maximum Diameter Of Housing Shoulder (Da) | — | 65 mm | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 12000 min-1 |
| Minimum Chamfer Dimension (R1 Min) | — | 1.1 mm | — | — |
| Sd1 | — | — | — | - mm |
| Maximum Recess Radius (Ra1 Max) | — | 1 mm | — | — |
| B1 | — | — | — | - mm |
| Raceway Diameter Outer Ring (E) | — | 62.5 mm | — | — |
| B2 | — | — | — | - mm |
| Fatigue Load Limit, Radial (Cur) | — | 7,700 N | — | — |
| Da(Min.) | — | — | — | 36.5 mm |
| Db(Min.) | — | — | — | 64 mm |
| Db(Max.) | — | — | — | 65.5 mm |
| Dc(Min.) | — | — | — | - mm |
| Dd(Min.) | — | — | — | - mm |
| Da(Max.) | — | — | — | - mm |
| Ra(Max.) | — | — | — | 1 mm |
| Rb(Max.) | — | — | — | 1 mm |
| Mass(Refer.) | — | — | — | 0.343 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 | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.