Oorspronkelijke prijs was: € 1.135,50.€ 363,36Huidige prijs is: € 363,36. incl.: € 439,67
7221BECBM SKF | EAN: 7316577091598 | (GTIN14: 07316577091598)
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These single row angular contact ball bearings can accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They can operate at high speeds and, depending on the variant, even very high speeds. They are more suitable than deep groove ball bearings for supporting large axial forces acting in one direction.
| Gewicht | 4,2577 kg |
|---|---|
| Afmetingen | 20,5 × 20 × 4,8 cm |
| Structure group name |
Angular contact ball bearings |
| Short description |
Single row angular contact ball bearing |
| Brand |
SKF |
| Pack Code |
Single package |
| EAN code |
7316577091598 |
| Pack gross weight |
4257.7 g |
| Pack height |
205 mm |
| Pack length |
200 mm |
| Pack width |
48 mm |
| Pack volume |
1.968 dm3 |
| Product net weight |
4164.7 g |
| Products per pack |
1 |
| UNSPSC code UNSPSC 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 code A 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 diameter Inner diameter of the bearing |
105 mm |
| Outside diameter |
190 mm |
| Width |
36 mm |
| Sealing |
Without |
| Basic dynamic load rating The 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 |
156 kN |
| Basic static load rating The 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. |
150 kN |
| Limiting speed |
5300 r/min |
| Reference speed |
4000 r/min |
| Cage Steel 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 |
Machined metal (BRASS) |
| Number of rows |
1 |
| Relubrication feature |
Without |
| Tolerance class |
Class P6 (P6) |
| Contact angle The 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 |
40° |
| Matched arrangement Angular 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 |
Not applicable |
| Contact type |
Normal contact (two-point contact) |
| Ring type |
One-piece inner and outer rings |
| Universal matching bearing |
Yes |
| Coating |
Without |
| Material bearing |
Bearing steel |
| SKF performance class |
SKF Explorer |
| Afmetingen | ||
| Eigenschap naam | Waarde | |
|---|---|---|
| Boring | 105 mm | |
| Buitendiameter | 190 mm | |
| Breedte | 36 mm | |
| Contacthoek | 40 ° | |
| Prestaties | ||
| Eigenschap naam | Waarde | |
| Dynamisch draaggetal | 156 kN | |
| Statisch draaggetal | 150 kN | |
| Referentietoerental | 4 300 r/min | |
| Grenstoerental | 5 600 r/min | |
| SKF prestatieklasse | SKF Explorer | |
| Eigenschappen | ||
| Eigenschap naam | Waarde | |
| Contacttype | Normaal contact (tweepuntscontact) | |
| Aantal rijen | 1 | |
| Positiekenmerk, lagerbuitenring | Geen | |
| Type ring | Binnen- en buitenringen uit één stuk | |
| Kooi | Massief messing | |
| Gepaarde opstelling | Nee | |
| Universeel gepaard lager | Ja | |
| Axiale speling | Not applicable | |
| Gepaarde conditie (axiale speling/voorspanning) | Axiale speling CB | |
| Tolerantieklasse | Klasse P6 (P6) | |
| Materiaal, lager | Lagerstaal | |
| Coating | Zonder | |
| Afdichtingen | Zonder | |
| Smeermiddel | Geen | |
| Nasmeer kenmerk | Zonder | |
| Logistiek | ||
| Eigenschap naam | Waarde | |
| Nettogewicht van het product | 4.16 kg | |
| eClass code | 23-05-08-03 | |
| UNSPSC-code | 31171531 | |
| Afmetingen | ||
| Parameter | Waarde | Beschrijving |
|---|---|---|
| d | 105 mm | Boring |
| D | 190 mm | Buitendiameter |
| B | 36 mm | Breedte |
| d1 | ≈ 137.95 mm | Diameter asborst binnenring (groot zijvlak) |
| d2 | ≈ 121.17 mm | Diameter asborst binnenring (klein zijvlak) |
| D1 | ≈ 159.1 mm | Diameter schouder buitenring (groot zijvlak) |
| a | 80 mm | Afstand van zijvlak tot drukpunt |
| r1,2 | min. 2.1 mm | Afmeting afschuining |
| r3,4 | min. 1.1 mm | Afmeting afschuining |
|
Afmetingen SKF-7221-BECBM |
Inbouwmaten SKF-7221-BECBM |
|
| Inbouwmaten | ||
| Parameter | Waarde | Beschrijving |
| da | min. 117 mm | Diameter aanlegvlak as |
| Da | max. 178 mm | Diameter huisschouder |
| Db | max. 183 mm | Diameter aanlegvlak lagerhuis |
| ra | max. 2 mm | Afrondingsstraal |
| rb | max. 1 mm | Afrondingsstraal |
| Berekeningsgegevens | ||
| Parameter | Waarde | Beschrijving |
| SKF Explorer | SKF prestatieklasse | |
| C | 156 kN | Dynamisch draaggetal |
| C0 | 150 kN | Statisch draaggetal |
| Pu | 5.2 kN | Vermoeiingsbelastinggrens |
| 4 300 r/min | Referentietoerental | |
| 5 600 r/min | Grenstoerental | |
| A | 0.302 | Minimum axiale belastingfactor |
| kr | 0.095 | Minimum radiale belastingfactor |
| e | 1.14 | Grenswaarde |
| ENKEL LAGER OF LAGERPAAR IN TANDEMOPSTELLING | ||
| Parameter | Waarde | Beschrijving |
| X | 0.35 | Berekeningsfactor (enkel, tandem) |
| Y0 | 0.26 | Berekeningsfactor (enkel, tandem) |
| Y2 | 0.57 | Berekeningsfactor (enkel, tandem) |
| LAGERPAAR IN O- OF X-OPSTELLING | ||
| Parameter | Waarde | Beschrijving |
| X | 0.57 | Berekeningsfactor (X-, O-opstelling) |
| Y0 | 0.52 | Berekeningsfactor (X-, O-opstelling) |
| Y1 | 0.55 | Berekeningsfactor (X-, O-opstelling) |
| Y2 | 0.93 | Berekeningsfactor (X-, O-opstelling) |
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Also are common quetions included in the Frequently asked questions.
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