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
“635” 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 | SKF6355 × 19 × 6 mm | FAG635>N5 × 19 × 6 mm | NSK6355 × 19 × 6 mm | KOYO6355 × 19 × 6 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | 635 | 635>N | 635 | 635 |
| Product family | Deep groove ball bearings | — | Single row deep groove ball bearings | Extra-small, miniature ball bearings / Standard type / Open |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings |
| Series | — | 635 | — | — |
| Bore diameterd | 5 mm | 5 mm | 5 mm | 5 mm |
| Outside diameterD | 19 mm | 19 mm | 19 mm | 19 mm |
| WidthB | 6 mm | 6 mm | 6 mm | 6 mm |
| Basic dynamic load ratingC | 2.34 kN | 2.8 kN | 2.57 kN | 2.9 kN |
| Basic static load ratingC0 | 0.95 kN | 1.06 kN | 0.885 kN | 0.89 kN |
| Fatigue load limitPu | 0.04 kN | 0.065 kN | — | 0.04 kN |
| Reference speednref | 80000 r/min | 27000 r/min | — | — |
| Limiting speednG | 50000 r/min | 53000 r/min | — | 35000 r/min |
| Mass≈m | 0.0081 kg | 0.008 kg | 0.00856 kg | 0.008 kg |
| Precision class | P6 and tighter width tolerance | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — |
| Sealing | Without | Without — Not sealed | Open | Open |
| 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 | — | — |
| Boundary dimensions | ||||
| Bearing width (open)B | — | — | 6 mm | — |
| Minimum bearing chamferr min. | — | — | 0.3 mm | — |
| Calculation factors | ||||
| Calculation factorf0 | — | 12.4 | — | — |
| 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 | — | — |
| Classification | ||||
| Official Category Path | — | — | — | Deep groove ball bearings - Extra-small, miniature ball bearings - Standard type - Open |
| Official Classification 1 | — | — | — | Deep groove ball bearings / Extra-small, miniature ball bearings / Standard type / Open |
| Construction | ||||
| Catalogue closure construction | — | — | Open | — |
| Dimensions | ||||
| Minimum chamfer dimensionrmin | — | 0.3 mm | — | — |
| Minimum chamfer dimensionrmin | — | 0.012 in | — | — |
| Shoulder diameter outer ringD1 | — | 15.5 mm | — | — |
| Shoulder diameter outer ringD1 | — | 0.61 in | — | — |
| Caliber diameter outer ringD2 | — | 16.7 mm | — | — |
| Caliber diameter outer ringD2 | — | 0.657 in | — | — |
| Shoulder diameter inner ringd1 | — | 10.4 mm | — | — |
| Shoulder diameter inner ringd1 | — | 0.409 in | — | — |
| Caliber diameter inner ringd2 | — | 9.4 mm | — | — |
| Caliber diameter inner ringd2 | — | 0.37 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of shaft abutmentd a | min. 7.4 mm | — | — | — |
| Diameter of housing abutmentD a | max. 16.6 mm | — | — | — |
| Radius of shaft or housing filletr a | max. 0.3 mm | — | — | — |
| Engineering — Calculation data | ||||
| SKF performance class | SKF Explorer | — | — | — |
| Minimum load factork r | 0.03 | — | — | — |
| Calculation factorf 0 | 13 | — | — | — |
| Engineering — Dimensions | ||||
| Deviation limits of mid-range bore diametert Δdmp | -0.007 to 0 mm | — | — | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.008 to 0 mm | — | — | — |
| Deviation limits of ring widtht ΔBs | -0.06 to 0 mm | — | — | — |
| Shoulder diameterd 1 | ≈ 11.1 mm | — | — | — |
| Recess diameterD 2 | ≈ 16.5 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 0.3 mm | — | — | — |
| ISO tolerance class for dimensions | P6 and tighter width tolerance | — | — | — |
| Engineering — Tolerances of run-out | ||||
| Range of section height at inner ring of assembled bearingt Kia | 4 µm | — | — | — |
| Maximum run-out of inner ring side face to the boret Sd | 7 µm | — | — | — |
| Maximum axial run-out of inner ring of assembled bearingt Sia | 7 µm | — | — | — |
| Range of section height at outer ring of assembled bearingt Kea | 6 µm | — | — | — |
| Perpendicularity of outer ring outside surfacet SD | 4 µm | — | — | — |
| Maximum axial run-out of outer ring of assembled bearingt Sea | 8 µm | — | — | — |
| ISO tolerance class for geometrical tolerances | P5 | — | — | — |
| Load ratings | ||||
| Basic dynamic radial load ratingCr | — | — | 2570 N | — |
| Basic static radial load ratingC0r | — | — | 885 N | — |
| Logistics | ||||
| Product net weight | 0.0081 kg | — | — | — |
| eClass code | 23-05-08-01 | — | — | — |
| UNSPSC code | 31171504 | — | — | — |
| Lubrication-qualified speed | ||||
| Limiting speed with grease | — | — | 32000 r/min | — |
| Limiting speed with oil (open) | — | — | 40000 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 2,800 N | — | — |
| Basic dynamic load rating, radialCr | — | 629.496 lbf | — | — |
| Basic static load rating, radialC0r | — | 1,060 N | — | — |
| Basic static load rating, radialC0r | — | 238.309 lbf | — | — |
| Fatigue load limit, radialCur | — | 65 N | — | — |
| Fatigue load limit, radialCur | — | 14.613 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 2639294 | — | — |
| Official Class Key | — | — | — | 010-020-010 |
| Base Type | — | 635 | — | — |
| Gpsd Group | — | S01 | — | — |
| Product Line Id | — | 14 | — | — |
| SAP material number | — | 0977862680000 | — | — |
| Base product | — | 2305080101 | — | — |
| Bearing X designation | — | 635 | — | — |
| Mounting Manager ID | — | 635 | — | — |
| Grease application ID | — | 635 | — | — |
| Mounting dimensions | ||||
| Minimum shaft shoulder diameter (open)da min. | — | — | 7 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 0.3 mm | — |
| Maximum housing shoulder diameter (open)Da max. | — | — | 17 mm | — |
| Minimum diameter shaft shoulderda min | — | 7.4 mm | — | — |
| Minimum diameter shaft shoulderda min | — | 0.291 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 16.6 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 0.654 in | — | — |
| Maximum fillet radiusra max | — | 0.3 mm | — | — |
| Maximum fillet radiusra max | — | 0.012 in | — | — |
| Product characteristics | ||||
| Version code>N | — | Not marked on bearing | — | — |
| 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 63, 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 | 0.03 kg CO 2 e | — | — | — |
| Reference mass | ||||
| Approximate catalogue mass (open) | — | — | 8.56 g | — |
| Technical Data | ||||
| d | — | — | — | 19 mm |
| B | — | — | — | 6 mm |
| Bore Diameter (D) | — | 5 mm | — | — |
| R(Min.) | — | — | — | 0.3 mm |
| Outside Diameter (D) | — | 19 mm | — | — |
| Basic Load Ratings : Cr | — | — | — | 2.90 kN |
| Width (B) | — | 6 mm | — | — |
| Basic Load Ratings : C0R | — | — | — | 0.89 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 2,800 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | 0.040 kN |
| Basic Static Load Rating, Radial (C0R) | — | 1,060 N | — | — |
| Factor : F0 | — | — | — | 12.3 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 35000 min-1 |
| Limiting Speed (Ng) | — | 53,000 1/min | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 43000 min-1 |
| Operating Temperature Max. (Tmax) | — | 120 °C | — | — |
| Da(Min.) | — | — | — | 7 mm |
| Reference Speed (Nϑr) | — | 27,000 1/min | — | — |
| Da(Max.) | — | — | — | 17 mm |
| Calculation Factor (F0) | — | 12.4 | — | — |
| Ra(Max.) | — | — | — | 0.3 mm |
| Fatigue Load Limit, Radial (Cur) | — | 65 N | — | — |
| Mass(Refer.) | — | — | — | 8.5 g |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 7.4 mm | — | — |
| Shoulder Diameter Inner Ring (D1) | — | 10.4 mm | — | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 16.6 mm | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 0.3 mm | — | — |
| Caliber Diameter Inner Ring (D1) | — | 9.4 mm | — | — |
| Maximum Fillet Radius (Ra Max) | — | 0.3 mm | — | — |
| Shoulder Diameter Outer Ring (D1) | — | 15.5 mm | — | — |
| Caliber Diameter Outer Ring (D1) | — | 16.7 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.