Cross-brand designation analysis
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Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“N318” 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 318 ECM90 × 190 × 43 mm | FAGN318-E-XL-M190 × 190 × 43 mm | NSKN318W90 × 190 × 43 mm | KOYON31890 × 190 × 43 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | N 318 ECM | N318-E-XL-M1 | N318W | N318 |
| 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 |
| Series | — | N318 | — | — |
| Bore diameterd | 90 mm | 90 mm | 90 mm | 90 mm |
| Outside diameterD | 190 mm | 190 mm | 190 mm | 190 mm |
| WidthB | 43 mm | 43 mm | 43 mm | 43 mm |
| Basic dynamic load ratingC | 365 kN | 370 kN | 295 kN | 300 kN |
| Basic static load ratingC0 | 360 kN | 350 kN | 265 kN | 265 kN |
| Fatigue load limitPu | 43 kN | 60 kN | — | 38.7 kN |
| Reference speednref | 3800 r/min | — | — | — |
| Limiting speednG | 4500 r/min | — | — | 3100 r/min |
| Mass≈m | 6 kg | 6 kg | — | 5.27 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — |
| Sealing | Without | — | — | — |
| Cage | Machined brass | 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 | — | — | 43 mm | — |
| Minimum bearing chamferr min. | — | — | 3 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 3 mm | — |
| Roller circumscribed circle diameterEw | — | — | 165 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 | — | — | 5.31 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 | — | 3 mm | — | — |
| Minimum chamfer dimensionr1 min | — | 0.118 in | — | — |
| Axial displacements1 | — | 1.3 mm | — | — |
| Axial displacements1 | — | 0.051 in | — | — |
| Raceway diameter outer ringE | — | 169.5 mm | — | — |
| Raceway diameter outer ringE | — | 6.673 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of spacer sleeved a | max. 166 mm | — | — | — |
| Diameter of housing abutmentD a | max. 175 mm | — | — | — |
| Radius of filletr a | max. 2.5 mm | — | — | — |
| Radius of filletr b | max. 2.5 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 | ≈ 124 mm | — | — | — |
| Raceway diameter of outer ringE | 169.5 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 3 mm | — | — | — |
| Chamfer dimensionr 3,4 | min. 3 mm | — | — | — |
| Permissible axial displacements | max. 2.5 mm | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 295000 N | — |
| Basic static radial load ratingC0r | — | — | 265000 N | — |
| Logistics | ||||
| Product net weight | 6.0 kg | — | — | — |
| eClass code | 23-05-09-01 | — | — | — |
| UNSPSC code | 31171505 | — | — | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 4500 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | Not stated in this catalogue row | — |
| Limiting speed — grease | — | — | 2600 r/min | — |
| Limiting speed — oil bath | — | — | 3000 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 370,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 83,183.453 lbf | — | — |
| Basic static load rating, radialC0r | — | 350,000 N | — | — |
| Basic static load rating, radialC0r | — | 78,687.05 lbf | — | — |
| Fatigue load limit, radialCur | — | 60,000 N | — | — |
| Fatigue load limit, radialCur | — | 13,489.209 lbf | — | — |
| Limiting speed for grease lubricationnG Grease | — | 5,400 1/min | — | — |
| Limiting speed for oil lubricationnG Oil | — | 6,300 1/min | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 367737 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Base Type | — | N318 | — | — |
| Gpsd Group | — | F01 | — | — |
| Product Line Id | — | 63 | — | — |
| SAP material number | — | 0167341300000 | — | — |
| Base product | — | 2305090101 | — | — |
| Bearing X designation | — | N318-E-XL-M1 | — | — |
| Mounting Manager ID | — | N318-E-XL-M1 | — | — |
| Grease application ID | — | N318-E-XL-M1 | — | — |
| Mounting dimensions | ||||
| Diameter shaft shoulderda | — | 104 mm | — | — |
| Diameter shaft shoulderda | — | 4.094 in | — | — |
| Diameter of housing shoulderDa | — | 176 mm | — | — |
| Diameter of housing shoulderDa | — | 6.929 in | — | — |
| Maximum recess radiusra1 max | — | 2.5 mm | — | — |
| Maximum recess radiusra1 max | — | 0.098 in | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterda min. | — | — | 103 mm | — |
| Maximum housing shoulder diameterDb max. | — | — | 177 mm | — |
| Minimum housing shoulder diameterDb min. | — | — | 168 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 2.5 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 2.5 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 | 22.2 kg CO 2 e | — | — | — |
| Technical Data | ||||
| d | — | — | — | 190 mm |
| B | — | — | — | 43 mm |
| Bore Diameter (D) | — | 90 mm | — | — |
| R(Min.) | — | — | — | 3 mm |
| Outside Diamater (D) | — | 190 mm | — | — |
| R1(Min.) | — | — | — | 3 mm |
| Total Width (B) | — | 43 mm | — | — |
| Fw | — | — | — | - mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 370,000 N | — | — |
| Ew | — | — | — | 165 mm |
| Basic Static Load Rating, Radial (C0R) | — | 350,000 N | — | — |
| Basic Load Ratings : Cr | — | — | — | 300 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Basic Load Ratings : C0R | — | — | — | 265 kN |
| Limiting Speed For Grease Lubrication (Ng Grea) | — | 5,400 1/min | — | — |
| Fatigue Load Limit : Cu | — | — | — | 38.7 kN |
| Minimum Diameter Shaft Shoulder (Da) | — | 104 mm | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 3100 min-1 |
| Limiting Speed (Ng Oil) | — | 6,300 1/min | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 4200 min-1 |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — |
| Sd1 | — | — | — | - mm |
| Axial Displacement (S1) | — | 1.3 mm | — | — |
| B1 | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 176 mm | — | — |
| B2 | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 3 mm | — | — |
| Da(Min.) | — | — | — | 103 mm |
| Maximum Recess Radius (Ra1 Max) | — | 2.5 mm | — | — |
| Db(Min.) | — | — | — | 169 mm |
| Raceway Diameter Outer Ring (E) | — | 169.5 mm | — | — |
| Db(Max.) | — | — | — | 177 mm |
| Fatigue Load Limit, Radial (Cur) | — | 60,000 N | — | — |
| Dc(Min.) | — | — | — | - mm |
| Dd(Min.) | — | — | — | - mm |
| Da(Max.) | — | — | — | - mm |
| Ra(Max.) | — | — | — | 2.5 mm |
| Rb(Max.) | — | — | — | 2.5 mm |
| Mass(Refer.) | — | — | — | 5.27 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.