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3304ATN9 SKF | EAN: 7316577040985 | (GTIN14: 07316577040985)
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Double row angular contact ball bearings correspond, in their design and operation, to a pair of single row angular contact ball bearings in a back-to-back arrangement, while requiring less axial space. They can operate at high speeds and are more suitable than deep groove ball bearings for supporting large axial forces in both directions.
| Gewicht | 0,2155 kg |
|---|---|
| Afmetingen | 5,7 × 5,5 × 2,6 cm |
| Structure group name | Angular contact ball bearings |
| Short description | Double row angular contact ball bearing |
| Brand | SKF |
| Pack Code | Single package |
| EAN code | 7316577040985 |
| Pack gross weight | 215.5 g |
| Pack height | 57 mm |
| Pack length | 55 mm |
| Pack width | 26 mm |
| Pack volume | 81.51 cm3 |
| Product net weight | 211.4 g |
| 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. | 23-05-08-03 |
| eClass name | Angular contact ball bearing |
| Bore diameterInner diameter of the bearing | 20 mm |
| Outside diameter | 52 mm |
| Width | 22.2 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 | 24.5 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. | 15.6 kN |
| Limiting speed | 13000 r/min |
| Reference speed | 13000 r/min |
| CageSteel cages can be used at operating temperatures up to 300 °C (570 °F) Sheet steel cages Stamped sheet steel cages are made of low carbon steel / Machined steel cages: Machined steel cages are normally made of non-alloyed structural steel / Brass Cages, Brass cages can be used at operating temperatures up to 250 °C (480 °F). / Sheet brass cages: Stamped sheet brass cages are used for some small and medium-size bearings / Machined brass cages: Most brass cages are machined from cast or wrought brass | Non-metallic |
| Number of rows | 2 |
| Relubrication feature | Without |
| 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 | 30° |
| Arrangement of contact angle | Back-to-back (O) |
| 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. | No |
| Axial internal clearance | CN |
| Contact type | Normal contact (two-point contact) |
| Ring type | One-piece inner and outer rings |
| Universal matching bearing | No |
| Coating | Without |
| Material bearing | Bearing steel |
Deze tabel bevat de belangrijkste productspecificaties voor SKF-3304ATN9, waaronder afmetingen, prestaties, eigenschappen en logistieke gegevens.
| Afmetingen | |
|---|---|
| Eigenschap | Waarde |
| Boring | 20 mm |
| Buitendiameter | 52 mm |
| Breedte | 22.2 mm |
| Contacthoek | 30 ° |
| Prestaties | |
| Eigenschap | Waarde |
| Dynamisch draaggetal | 24.5 kN |
| Statisch draaggetal | 15.6 kN |
| Referentietoerental | 13 000 r/min |
| Grenstoerental | 13 000 r/min |
| SKF prestatieklasse | SKF Explorer |
| Eigenschappen | |
| Eigenschap | Waarde |
| Contacttype | Normaal contact (tweepuntscontact) |
| Aantal rijen | 2 |
| Positiekenmerk, lagerbuitenring | Geen |
| Type ring | Binnen- en buitenringen uit één stuk |
| Kooi | Niet-metaal |
| Opstelling van de contacthoek (tweerijig lager) | O-opstelling |
| Gepaarde opstelling | Nee |
| Universeel gepaard lager | Nee |
| Axiale speling | CN |
| Materiaal, lager | Lagerstaal |
| Coating | Zonder |
| Afdichtingen | Zonder |
| Smeermiddel | Geen |
| Nasmeer kenmerk | Zonder |
| Logistiek | |
| Eigenschap | Waarde |
| Nettogewicht van het product | 0.211 kg |
| eClass code | 23-05-08-03 |
| UNSPSC-code | 31171531 |
Deze tabel bevat technische gegevens voor dit product, verdeeld in secties zoals inbouwmaten, berekeningsgegevens, tekeningmaatgegevens en bijvoorbeeld materialen en montage-informatie.
| Afmetingen | ||
|---|---|---|
| Parameter | Waarde | Beschrijving |
| d | 20 mm | Boring |
| D | 52 mm | Buitendiameter |
| B | 22.2 mm | Breedte |
| d2 | ≈ 29.9 mm | Uitsparingsdiameter schouder van de binnenring |
| D2 | ≈ 43.95 mm | Uitsparingsdiameter schouder van de buitenring |
| r1,2 | min. 1.1 mm | Afmeting afschuining binnenring |
| a | 30 mm | Afstand drukpunt(en) |
|
|
||
| Inbouwmaten | ||
| Parameter | Waarde | Beschrijving |
| da | min. 27 mm | Diameter asborst |
| Da | max. 45 mm | Diameter huisschouder |
| ra | max. 1 mm | Afrondingsstraal |
| Berekeningsgegevens | ||
| Parameter | Waarde | Beschrijving |
| SKF Explorer | SKF prestatieklasse | |
| C | 24.5 kN | Dynamisch draaggetal |
| C0 | 15.6 kN | Statisch draaggetal |
| Pu | 0.67 kN | Vermoeiingsbelastinggrens |
| 13 000 r/min | Referentietoerental | |
| 13 000 r/min | Grenstoerental | |
| kr | 0.07 | Berekeningsfactor |
| e | 0.8 | Grenswaarde |
| X | 0.63 | Berekeningsfactor |
| Y0 | 0.66 | Berekeningsfactor |
| Y1 | 0.78 | Berekeningsfactor |
| Y2 | 1.24 | Berekeningsfactor |
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