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.
Automatic candidate selection
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
“4308” across 3 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 | SKF4308 ATN940 × 90 × 33 mm | FAG4308-BB-TVH40 × 90 × 33 mm | KOYO430840 × 90 × 33 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | KOYO |
| Designation | 4308 ATN9 | 4308-BB-TVH | 4308 |
| Product family | Deep groove ball bearings | — | Double-row |
| Detailed type | Double row deep groove ball bearing | Deep groove ball bearings | Deep groove ball bearings |
| Series | — | 4308 | — |
| Bore diameterd | 40 mm | 40 mm | 40 mm |
| Outside diameterD | 90 mm | 90 mm | 90 mm |
| WidthB | 33 mm | 33 mm | 33 mm |
| Basic dynamic load ratingC | 55.9 kN | 67 kN | 57.5 kN |
| Basic static load ratingC0 | 45 kN | 48 kN | 48.8 kN |
| Fatigue load limitPu | 1.9 kN | 2.5 kN | 3.25 kN |
| Reference speednref | 12000 r/min | 6300 r/min | — |
| Limiting speednG | 6700 r/min | 7200 r/min | 4600 r/min |
| Mass≈m | 0.931 kg | 0.892 kg | 1.01 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — |
| Sealing | Without | — | — |
| Cage | Non-metallic | TVH — Solid cage made of glass-fiber reinforced polyamid PA66 | — |
| Bearing material | Bearing steel | — | — |
| Lubricant | None | GA13 — Ball bearing and insert bearing grease | — |
| Minimum operating temperatureTmin | — | -20 °C | — |
| Maximum operating temperatureTmax | — | 120 °C | — |
| Calculation factors | |||
| Calculation factorf0 | — | 13.2 | — |
| 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 | — |
| Unsealed design | — | Yes | — |
| Classification | |||
| Official Category Path | — | — | Deep groove ball bearings - Double-row |
| Official Classification 1 | — | — | Deep groove ball bearings / Double-row |
| Dimensions | |||
| Minimum chamfer dimensionrmin | — | 1.5 mm | — |
| Minimum chamfer dimensionrmin | — | 0.059 in | — |
| Shoulder diameter outer ringD1 | — | 75.78 mm | — |
| Shoulder diameter outer ringD1 | — | 2.983 in | — |
| Shoulder diameter inner ringd1 | — | 54.5 mm | — |
| Shoulder diameter inner ringd1 | — | 2.146 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | min. 49 mm | — | — |
| Diameter of housing abutmentD a | max. 81 mm | — | — |
| Radius of shaft or housing filletr a | max. 1.5 mm | — | — |
| Engineering — Calculation data | |||
| Minimum load factork r | 0.06 | — | — |
| Calculation factorf 0 | 13.8 | — | — |
| Engineering — Dimensions | |||
| Shoulder diameterd 1 | ≈ 73.1 mm | — | — |
| Chamfer dimensionr 1,2 | min. 1.5 mm | — | — |
| Logistics | |||
| Product net weight | 0.931 kg | — | — |
| eClass code | 23-05-08-01 | — | — |
| UNSPSC code | 31171504 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 67,000 N | — |
| Basic dynamic load rating, radialCr | — | 15,062.95 lbf | — |
| Basic static load rating, radialC0r | — | 48,000 N | — |
| Basic static load rating, radialC0r | — | 10,791.367 lbf | — |
| Fatigue load limit, radialCur | — | 2,500 N | — |
| Fatigue load limit, radialCur | — | 562.05 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 357037 | — |
| Official Class Key | — | — | 010-040-000 |
| Base Type | — | 4308 | — |
| Old Designation | — | ["4308BB.TVH"] | — |
| Gpsd Group | — | S03 | — |
| Product Line Id | — | 14 | — |
| SAP material number | — | 0219434430000 | — |
| Base product | — | 2305080102 | — |
| Bearing X designation | — | 4308-BB-TVH | — |
| Mounting Manager ID | — | 4308-BB-TVH | — |
| Grease application ID | — | 4308-BB-TVH | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 49 mm | — |
| Minimum diameter shaft shoulderda min | — | 1.929 in | — |
| Maximum diameter of housing shoulderDa max | — | 81 mm | — |
| Maximum diameter of housing shoulderDa max | — | 3.189 in | — |
| Maximum fillet radiusra max | — | 1.5 mm | — |
| Maximum fillet radiusra max | — | 0.059 in | — |
| Product characteristics | |||
| Design variantB | — | Bearing without filling slot | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — |
| Changed internal design | — | B | — |
| Dimensional / heat stabilizationSN | — | Rings dimensional stabilized up to 120° | — |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance | — |
| 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 43..-BB-TVH, double row, plastic cage | — |
| Short Description | — | Deep groove ball bearing | — |
| Properties | |||
| Filling slots | Without | — | — |
| Number of rows | 2 | — | — |
| 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 | 3.4 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 90 mm |
| B | — | — | 33 mm |
| R(Min.) | — | — | 1.5 mm |
| Bore Diameter (D) | — | 40 mm | — |
| Basic Load Ratings : Cr | — | — | 57.5 kN |
| Outside Diameter (D) | — | 90 mm | — |
| Basic Load Ratings : C0R | — | — | 48.8 kN |
| Width (B) | — | 33 mm | — |
| Fatigue Load Limit : Cu | — | — | 3.25 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 67,000 N | — |
| Factor : F0 | — | — | 14.7 |
| Basic Static Load Rating, Radial (C0R) | — | 48,000 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 4600 min-1 |
| Operating Temperature Min. (Tmin) | — | -20 °C | — |
| Limiting Speeds(Oil Lub.) | — | — | 6100 min-1 |
| Limiting Speed (Ng) | — | 7,200 1/min | — |
| Da(Max.) | — | — | 82 mm |
| Operating Temperature Max. (Tmax) | — | 120 °C | — |
| Ra(Max.) | — | — | 1.5 mm |
| Reference Speed (Nϑr) | — | 6,300 1/min | — |
| Mass(Refer.) | — | — | 1.01 kg |
| Calculation Factor (F0) | — | 13.2 | — |
| Fatigue Load Limit, Radial (Cur) | — | 2,500 N | — |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 49 mm | — |
| Shoulder Diameter Inner Ring (D1) | — | 54.5 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 81 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 1.5 mm | — |
| Maximum Fillet Radius (Ra Max) | — | 1.5 mm | — |
| Shoulder Diameter Outer Ring (D1) | — | 75.78 mm | — |
| Temperature range | |||
| Operating temperature min.Tmin | — | -20 °C | — |
| Operating temperature min.Tmin | — | -4 °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.