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| Parameter | SKF4311 ATN955 × 120 × 43 mm | FAG4311-B-TVH55 × 120 × 43 mm | KOYO431155 × 120 × 43 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | KOYO |
| Designation | 4311 ATN9 | 4311-B-TVH | 4311 |
| 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 | — | 4311 | — |
| Bore diameterd | 55 mm | 55 mm | 55 mm |
| Outside diameterD | 120 mm | 120 mm | 120 mm |
| WidthB | 43 mm | 43 mm | 43 mm |
| Basic dynamic load ratingC | 97.5 kN | 111 kN | 105 kN |
| Basic static load ratingC0 | 83 kN | 90 kN | 94.4 kN |
| Fatigue load limitPu | 3.45 kN | 5.6 kN | 6.4 kN |
| Reference speednref | 9000 r/min | 4650 r/min | — |
| Limiting speednG | 5000 r/min | 5100 r/min | 3400 r/min |
| Mass≈m | 2.09 kg | 2.06 kg | 2.29 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 | Lubricating grease | — |
| Minimum operating temperatureTmin | — | -20 °C | — |
| Maximum operating temperatureTmax | — | 120 °C | — |
| Calculation factors | |||
| Calculation factorf0 | — | 13.8 | — |
| 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 | — | 2 mm | — |
| Minimum chamfer dimensionrmin | — | 0.079 in | — |
| Shoulder diameter outer ringD1 | — | 105.3 mm | — |
| Shoulder diameter outer ringD1 | — | 4.146 in | — |
| Shoulder diameter inner ringd1 | — | 80.35 mm | — |
| Shoulder diameter inner ringd1 | — | 3.163 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | min. 66 mm | — | — |
| Diameter of housing abutmentD a | max. 109 mm | — | — |
| Radius of shaft or housing filletr a | max. 2 mm | — | — |
| Engineering — Calculation data | |||
| Minimum load factork r | 0.06 | — | — |
| Calculation factorf 0 | 13.7 | — | — |
| Engineering — Dimensions | |||
| Shoulder diameterd 1 | ≈ 98.5 mm | — | — |
| Chamfer dimensionr 1,2 | min. 2 mm | — | — |
| Logistics | |||
| Product net weight | 2.09 kg | — | — |
| eClass code | 23-05-08-01 | — | — |
| UNSPSC code | 31171504 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 111,000 N | — |
| Basic dynamic load rating, radialCr | — | 24,955.036 lbf | — |
| Basic static load rating, radialC0r | — | 90,000 N | — |
| Basic static load rating, radialC0r | — | 20,233.813 lbf | — |
| Fatigue load limit, radialCur | — | 5,600 N | — |
| Fatigue load limit, radialCur | — | 1,258.993 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 357044 | — |
| Official Class Key | — | — | 010-040-000 |
| Base Type | — | 4311 | — |
| Old Designation | — | ["4311B.TVH"] | — |
| Gpsd Group | — | S03 | — |
| Product Line Id | — | 14 | — |
| SAP material number | — | 0167145120000 | — |
| Base product | — | 2305080102 | — |
| Bearing X designation | — | 4311-B-TVH | — |
| Mounting Manager ID | — | 4311-B-TVH | — |
| Grease application ID | — | 4311-B-TVH | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 66 mm | — |
| Minimum diameter shaft shoulderda min | — | 2.598 in | — |
| Maximum diameter of housing shoulderDa max | — | 109 mm | — |
| Maximum diameter of housing shoulderDa max | — | 4.291 in | — |
| Maximum fillet radiusra max | — | 2 mm | — |
| Maximum fillet radiusra max | — | 0.079 in | — |
| Product characteristics | |||
| Design variantB | — | Bearing without filling slot | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — |
| Dimensional / heat stabilizationS0 | — | Rings dimensional stabilized up to 150° | — |
| 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..-B-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 | 7.7 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 120 mm |
| B | — | — | 43 mm |
| R(Min.) | — | — | 2 mm |
| Bore Diameter (D) | — | 55 mm | — |
| Basic Load Ratings : Cr | — | — | 105 kN |
| Outside Diameter (D) | — | 120 mm | — |
| Basic Load Ratings : C0R | — | — | 94.4 kN |
| Width (B) | — | 43 mm | — |
| Fatigue Load Limit : Cu | — | — | 6.40 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 111,000 N | — |
| Factor : F0 | — | — | 14.2 |
| Basic Static Load Rating, Radial (C0R) | — | 90,000 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 3400 min-1 |
| Operating Temperature Min. (Tmin) | — | -20 °C | — |
| Limiting Speeds(Oil Lub.) | — | — | 4600 min-1 |
| Limiting Speed (Ng) | — | 5,100 1/min | — |
| Da(Max.) | — | — | 111 mm |
| Operating Temperature Max. (Tmax) | — | 120 °C | — |
| Ra(Max.) | — | — | 2 mm |
| Reference Speed (Nϑr) | — | 4,650 1/min | — |
| Mass(Refer.) | — | — | 2.29 kg |
| Calculation Factor (F0) | — | 13.8 | — |
| Fatigue Load Limit, Radial (Cur) | — | 5,600 N | — |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 66 mm | — |
| Shoulder Diameter Inner Ring (D1) | — | 80.35 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 109 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 2 mm | — |
| Maximum Fillet Radius (Ra Max) | — | 2 mm | — |
| Shoulder Diameter Outer Ring (D1) | — | 105.3 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 | — |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.