71911ACD/P4ATGB SKF | EAN: 7316571125039 | (GTIN14: 07316571125039)
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These sets of three matched super-precision angular contact ball bearings are available in a wide selection of designs, variants and arrangements, enabling them to be incorporated into virtually every machine tool application as well as other applications where precision bearings are required. Preconfigured arrangements include: tandem; back-to-back and tandem; face-to-face and tandem. Sets arranged in back-to-back and tandem, or face-to-face and tandem, are available in different preload classes and correct mounting results in preload within a predetermined range, without the need for shims or similar devices. Sets of three bearings paired in tandem need to be mounted against a single bearing, or another set of bearings in tandem, to achieve a the desired preload. The bore and outside diameters of the bearings are matched to within a maximum of one-third of the permitted diameter tolerance, to provide better load distribution than single universally matchable bearings.
| Gewicht | 0,585 kg |
|---|---|
| Afmetingen | 8,5 × 8,3 × 7,5 cm |
| Structure group name | Super-precision angular contact ball bearings |
| Short description | Matched set of three super precision angular contact ball bearing |
| Brand | SKF |
| Pack Code | Single package |
| EAN code | 7316571125039 |
| Pack gross weight | 0.585 kg |
| Pack height | 85 mm |
| Pack length | 83 mm |
| Pack width | 75 mm |
| Pack volume | 529.125 cm3 |
| Product net weight | 0.528 kg |
| Products per pack | 1 |
| UNSPSC codeUNSPSC is a taxonomy of products and services for use in eCommerce, managed by GS1 US. It is a four-level hierarchy coded as an eight-digit number, two digits for each of the four hierarchical levels. | 31-17-15-31 |
| UNSPSC name | Angular contact bearing |
| eClass codeA eClass-code is a worldwide reference-data standard for the classification and unambiguous description of products and services established in industry, commerce, trade, and the service sector. eClass consists of a four-level hierarchy of classification classes (i.e. a tree structure). 8-digit class code (in ECLASS called: CodedName) consists of two digits for each of the four hierarchical levels. | 23-05-08-04 |
| eClass name | Spindle bearing |
| Bore diameterInner diameter of the bearing | 55 mm |
| Outside diameter | 80 mm |
| Width | 39 mm |
| Sealing | Without |
| Basic dynamic load ratingThe basic dynamic load rating Cr or Ca is the load which a bearing can theoretically endure for a basic rating life of one million revolutions. This is expressed as pure radial (Cr) load for radial bearings and pure axial (Ca) load for thrust bearings | 39.7 kN |
| Basic static load ratingThe basic static load rating C0r or C0a is defined as the load that results in a certain value of contact stress at the centre of contact of the most heavily loaded rolling element/raceway. C0r is indicate for radial load-, C0a is indicate for radial load rating. | 39.7 kN |
| Tolerance class | P4AU |
| Contact angleThe contact angle is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the combined load is transmitted from one raceway to another, and a line perpendicular to the bearing axis | 25° |
| Matched arrangementAngular contact ball bearing can be arrangement in different sets. ----- Back-to-back (O) or Face-to-Face (X) or Tandem (>>) ----- The O- and X-arrangements of two precision angular contact ball bearings makes it possible to take up axial loads in both directions. High axial loads in only one direction are supported by a tandem arrangement. | Universal matching |
| QTY in matched setThe number of bearings in one matched set angular contact bearings. | 3 |
| Contact type | Normal contact (two-point contact) |
| Matched(ax.clearance/preload | Light preload |
| Coating | Without |
| Material bearing | Bearing steel |
| SKF performance class | SKF Standard |
Deze tabel bevat de belangrijkste productspecificaties voor SKF-71911ACD/P4ATGB, waaronder afmetingen, prestaties, eigenschappen en logistieke gegevens.
| Afmetingen | |
|---|---|
| Eigenschap | Waarde |
| Boring | 55 mm |
| Buitendiameter | 80 mm |
| Breedte | 39 mm |
| Contacthoek | 25 ° |
| Prestaties | |
| Eigenschap | Waarde |
| Dynamisch draaggetal | 39.7 kN |
| Statisch draaggetal | 41.5 kN |
| Opmerking | Neem contact op met SKF voor de mogelijke toerentallen |
| Eigenschappen | |
| Eigenschap | Waarde |
| Contacttype | Normaal contact (tweepuntscontact) |
| Aantal rijen | 3 |
| Type ring | Binnen- en buitenringen uit één stuk |
| Ontwerp | Hoge capaciteit D |
| Universeel gepaard lager | Ja, O-opstelling (<>), X-opstelling (><) of tandem (>>) |
| Gepaarde opstelling | Universeel passend |
| Aantal lagers in gepaarde set | 3 |
| Gepaarde conditie (axiale speling/voorspanning) | Lichte voorspanning |
| Tolerantieklasse | P4A |
| Materiaal, lager | Lagerstaal |
| Coating | Zonder |
| Afdichtingen | Zonder |
| Smeermiddel | Geen |
| Indicative product carbon footprint to manufacture | 1.9 kg CO2e |
| Logistiek | |
| Eigenschap | Waarde |
| Nettogewicht van het product | 0.528 kg |
| eClass code | 23-05-08-04 |
| UNSPSC-code | 31171531 |
Technische tekening -1 SKF-71911-ACD/P4ATGB Afmetingen
Technische tekening -2 SKF-71911-ACD/P4ATGB Inbouwmaten
Technische tekening -3 SKF-71911-ACD/P4ATGB
Deze tabel bevat technische gegevens voor dit product, verdeeld in secties zoals inbouwmaten, berekeningsgegevens, tekening maatgegevens en bijvoorbeeld materialen en montage-informatie.
| Beschrijving | Waarde | |
|---|---|---|
| Universeel gepaard(e) lager(s) | Ja, O-opstelling (<>), X-opstelling (><) of tandem (>>) | |
| Afmetingen | ||
| Parameter | Waarde | Beschrijving |
| d | 55 mm | Boring |
| D | 80 mm | Buitendiameter |
| B | 39 mm | Breedte |
| d1 | 62.7 mm | Diameter asborst binnenring (groot zijvlak) |
| d2 | 62.7 mm | Diameter asborst binnenring (klein zijvlak) |
| D1 | 72.3 mm | Diameter schouder buitenring (groot zijvlak) |
| r1,2 | min. 1 mm | Afmeting afschuining |
| r3,4 | min. 0.3 mm | Afmeting afschuining |
| Inbouwmaten | ||
| Parameter | Waarde | Beschrijving |
| da | min. 59.6 mm | Diameter aanlegvlak as |
| db | min. 59.6 mm | Diameter aanlegvlak as |
| Da | max. 75.4 mm | Diameter aanlegvlak lagerhuis |
| Db | max. 78 mm | Diameter aanlegvlak lagerhuis |
| ra | max. 1 mm | Afrondingsstraal |
| rb | max. 0.3 mm | Afrondingsstraal |
| dn | 64.7 mm | Positie van oliespuitmond |
| Berekeningsgegevens | ||
| Parameter | Waarde | Beschrijving |
| C | 39.7 kN | Dynamisch draaggetal |
| C0 | 41.5 kN | Statisch draaggetal |
| Pu | 1.76 kN | Vermoeiingsbelastinggrens |
| Neem contact op met SKF voor de mogelijke toerentallen | Bereikbare toerentallen | |
| α | 25 ° | Contacthoek |
| Dw | 7.938 mm | Kogeldiameter |
| i | 3 | Aantal rijen |
| z | 23 | Aantal kogels (per lager) |
| Gref | 2.49 cm³ | Referentiehoeveelheid smeervet (per lager) |
| VOORSPANNING EN STIJFHEID (X- OF O-OPSTELLING) | ||
| Parameter | Waarde | Beschrijving |
| B | Voorspanningsklasse | |
| Voorspanning en stijfheid zijn afhankelijk van de uiteindelijke opstelling. Neem contact op met SKF | Voorspanning en stijfheid | |
| CORRECTION FACTORS FOR PRELOAD CALCULATION | ||
| Parameter | Waarde | Beschrijving |
| f | 1.15 | Correctiefactor is afhankelijk van lagerserie en -afmeting |
| f1 | 0.98 | Correctiefactor afhankelijk van contacthoek |
| f2B | 1.04 | Correctiefactor, voorspanning klasse B |
| fHC | 1 | Correctiefactor voor hybride lagers |
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Ook staan veel voorkomende vragen in de Frequently asked questions.
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Our return policy is listed in our Terms and Conditions.
Also are common quetions included in the Frequently asked questions.
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