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
“61809” across 2 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 | SKF6180945 × 58 × 7 mm | FAG6180945 × 58 × 7 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | 61809 | 61809 |
| Product family | Deep groove ball bearings | — |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings |
| Bore diameterd | 45 mm | 45 mm |
| Outside diameterD | 58 mm | 58 mm |
| WidthB | 7 mm | 7 mm |
| Basic dynamic load ratingC | 5.4 kN | 7 kN |
| Basic static load ratingC0 | 4 kN | 5.9 kN |
| Fatigue load limitPu | 0.17 kN | 0.4 kN |
| Reference speednref | 22000 r/min | 7300 r/min |
| Limiting speednG | 14000 r/min | 16900 r/min |
| Mass≈m | 0.038 kg | 0.04 kg |
| Precision class | P6 | PN — Normal (ISO 492:2023) |
| Internal clearance | CN | CN (Group N) — Normal internal clearance |
| Sealing | Without | Without — Not sealed |
| Cage | Sheet metal | JN — Steel sheet metal |
| Bearing material | Bearing steel | — |
| Lubricant | None | Without — Bearing not greased |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 120 °C |
| Calculation factors | ||
| Calculation factorf0 | — | 16.3 |
| Capabilities & suitability | ||
| Radial load capacity | — | Yes |
| Axial load capacity in one direction | — | Yes |
| Axial load capacity in both directions | — | Yes |
| Suitable for grease lubrication | — | Yes |
| Suitable for oil lubrication | — | Yes |
| Unsealed design | — | Yes |
| Dimensions | ||
| Minimum chamfer dimensionrmin | — | 0.3 mm |
| Minimum chamfer dimensionrmin | — | 0.012 in |
| Shoulder diameter outer ringD1 | — | 54.05 mm |
| Shoulder diameter outer ringD1 | — | 2.128 in |
| Shoulder diameter inner ringd1 | — | 49.1 mm |
| Shoulder diameter inner ringd1 | — | 1.933 in |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 47 mm | — |
| Diameter of housing abutmentD a | max. 56 mm | — |
| Radius of shaft or housing filletr a | max. 0.3 mm | — |
| Engineering — Calculation data | ||
| Minimum load factork r | 0.02 | — |
| Calculation factorf 0 | 11.5 | — |
| Engineering — Dimensions | ||
| Deviation limits of mid-range bore diametert Δdmp | -0.01 to 0 mm | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.011 to 0 mm | — |
| Deviation limits of ring widtht ΔBs | -0.12 to 0 mm | — |
| Shoulder diameterd 1 | ≈ 54.4 mm | — |
| Chamfer dimensionr 1,2 | min. 0.3 mm | — |
| ISO tolerance class for dimensions | P6 | — |
| Engineering — Tolerances of run-out | ||
| Range of section height at inner ring of assembled bearingt Kia | 10 µm | — |
| Range of section height at outer ring of assembled bearingt Kea | 13 µm | — |
| ISO tolerance class for geometrical tolerances | P6 | — |
| Logistics | ||
| Product net weight | 0.038 kg | — |
| eClass code | 23-05-08-01 | — |
| UNSPSC code | 31171504 | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | — | 7,000 N |
| Basic dynamic load rating, radialCr | — | 1,573.741 lbf |
| Basic static load rating, radialC0r | — | 5,900 N |
| Basic static load rating, radialC0r | — | 1,326.439 lbf |
| Fatigue load limit, radialCur | — | 400 N |
| Fatigue load limit, radialCur | — | 89.928 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 2897381 |
| Base Type | — | 61809 |
| Gpsd Group | — | S02 |
| Product Line Id | — | 14 |
| SAP material number | — | 3031680800000 |
| Base product | — | 2305080101 |
| Bearing X designation | — | 61809 |
| Mounting Manager ID | — | 61809 |
| Grease application ID | — | 61809 |
| Mounting dimensions | ||
| Minimum diameter shaft shoulderda min | — | 47 mm |
| Minimum diameter shaft shoulderda min | — | 1.85 in |
| Maximum diameter of housing shoulderDa max | — | 56 mm |
| Maximum diameter of housing shoulderDa max | — | 2.205 in |
| Maximum fillet radiusra max | — | 0.3 mm |
| Maximum fillet radiusra max | — | 0.012 in |
| Product characteristics | ||
| Type of SealWithout | — | Not sealed |
| Tolerance classPN | — | Normal (ISO 492:2023) |
| Dimensional / heat stabilizationSN | — | Rings dimensional stabilized up to 120° |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance |
| Bore typeZ | — | Cylindrical |
| Product identity | ||
| Official product category | Deep groove ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/deep-groove-ball-bearings | — |
| Structure group ID | BB1_001_101 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Deep groove ball bearing 618, single row, steel sheet metal cage |
| Short Description | — | Deep groove ball bearing |
| Properties | ||
| Filling slots | Without | — |
| Number of rows | 1 | — |
| Locating feature, bearing outer ring | Without | — |
| Bore type | Cylindrical | — |
| Matched arrangement | No | — |
| Radial internal clearance | CN | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 0.14 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 45 mm |
| Outside Diameter (D) | — | 58 mm |
| Width (B) | — | 7 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 7,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 5,900 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Limiting Speed (Ng) | — | 16,900 1/min |
| Operating Temperature Max. (Tmax) | — | 120 °C |
| Reference Speed (Nϑr) | — | 7,300 1/min |
| Calculation Factor (F0) | — | 16.3 |
| Fatigue Load Limit, Radial (Cur) | — | 400 N |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 47 mm |
| Shoulder Diameter Inner Ring (D1) | — | 49.1 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 56 mm |
| Minimum Chamfer Dimension (Rmin) | — | 0.3 mm |
| Maximum Fillet Radius (Ra Max) | — | 0.3 mm |
| Shoulder Diameter Outer Ring (D1) | — | 54.05 mm |
| Temperature range | ||
| Operating temperature min.Tmin | — | -30 °C |
| Operating temperature min.Tmin | — | -22 °F |
| Operating temperature max.Tmax | — | 120 °C |
| Operating temperature max.Tmax | — | 248 °F |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.