Oorspronkelijke prijs was: € 4.769,24.€ 2.146,16Huidige prijs is: € 2.146,16. incl.: € 2.596,85
NNU4936BK/SPW33 SKF | EAN: 7316577014870 | (GTIN14: 07316577014870)
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Super-precision double row cylindrical roller bearings in the NNU series are designed to accommodate heavy radial loads and high speeds, while providing a high degree of stiffness. Having three flanges on the outer ring and no flanges on the inner ring, the bearings can accommodate axial displacement in both directions. The separable design simplifies mounting and dismounting, particularly when load conditions require both rings to have an interference fit.
| Gewicht | 10,53 kg |
|---|---|
| Afmetingen | 14,9 × 27,5 × 27,5 cm |
| Structure group name |
Super-precision cylindrical roller bearings |
| Short description |
NNU design ,Super-precision double row cylindrical roller bearing ,with tapered bore and relubrication feature |
| Brand |
SKF |
| Pack Code |
Single package |
| EAN code |
7316577014870 |
| Pack gross weight |
10.53 kg |
| Pack height |
149 mm |
| Pack length |
275 mm |
| Pack width |
275 mm |
| Pack volume |
11.268 dm3 |
| Product net weight |
10.075 kg |
| 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. |
31-17-15-05 |
| UNSPSC name |
Roller bearings |
| 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. |
23-05-09-01 |
| eClass name |
Cylindrical roller bearing |
| Bore diameter Inner diameter of the bearing |
180 mm |
| Outside diameter |
250 mm |
| Width |
69 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 |
402 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. |
850 kN |
| Bore type |
Tapered 1:12 |
| 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 |
2 |
| Relubrication feature |
With |
| Tolerance class |
Class SP (SP) |
| Bearing part |
Complete bearing |
| QTY of flanges, inner ring |
0 |
| QTY of flanges, outer ring |
3 |
| Material bearing |
Bearing steel |
| Max Speed grease lubrication |
3000 r/min |
| Maxspeed oil-air lubrication |
3400 r/min |
| SKF performance class |
SKF Standard |
| Afmetingen | ||
| Eigenschap naam | Waarde | |
|---|---|---|
| Boring | 180 mm | |
| Buitendiameter | 250 mm | |
| Breedte | 69 mm | |
| Prestaties | ||
| Eigenschap naam | Waarde | |
| Dynamisch draaggetal | 402 kN | |
| Statisch draaggetal | 850 kN | |
| Bereikbaar toerental voor vetsmering | 3 000 r/min | |
| Bereikbaar toerental voor olie-luchtsmering | 3 400 r/min | |
| Eigenschappen | ||
| Eigenschap naam | Waarde | |
| Lageronderdeel | Compleet lager | |
| Aantal rijen | 2 | |
| Type boring | Conisch 1:12 | |
| Kooi | Machinaal bewerkt metaal | |
| Ontwerp | NNU | |
| Aantal flenzen, buitenring | 3 | |
| Aantal flenzen, binnenring | 0 | |
| Losse flens | Geen | |
| Radiale speling | CN | |
| Tolerantieklasse | Klasse SP (SP) | |
| Materiaal, lager | Lagerstaal | |
| Coating | Zonder | |
| Afdichtingen | Zonder | |
| Smeermiddel | Geen | |
| Nasmeer kenmerk | Smeergroef en smeergaten | |
| Logistiek | ||
| Eigenschap naam | Waarde | |
| Nettogewicht van het product | 10.1 kg | |
| eClass code | 23-05-09-01 | |
| UNSPSC-code | 31171505 | |
| Beschrijving | Waarde | |
|---|---|---|
| Type boring | Conisch 1:12 | |
| Afmetingen | ||
| Parameter | Waarde | Beschrijving |
| d | 180 mm | Boring |
| D | 250 mm | Buitendiameter |
| B | 69 mm | Breedte |
| D1 | 226.05 mm | Diameter schouder buitenring (NNU-ontwerp) |
| F | 202 mm | Diameter loopbaan binnenring (NNU-ontwerp) |
| b | 8.3 mm | Breedte smeergroef buitenring |
| K | 3 mm | Diameter smeergat (buitenring) |
| r1,2 | min. 2 mm | Afmeting afschuining buitenring |
| r3,4 | min. 1 mm | Afmeting afschuining binnenring (lager met conische boring) |
| s | max. 1.1 mm | Toelaatbare axiale verplaatsing vanaf de normale positie van een lagerring ten opzichte van de andere (alle) |
|
Afmetingen SKF-NNU4936-BK/SPW33 |
Inbouwmaten SKF-NNU4936-BK/SPW33 |
|
| Inbouwmaten | ||
| Parameter | Waarde | Beschrijving |
| da | min. 190 mm | Diameter asborst |
| da | max. 199 mm | Diameter asborst (NNU-ontwerp) |
| Da | max. 240 mm | Diameter huisschouder |
| ra | max. 2 mm | Afrondingsstraal |
| dn | 203.5 mm | Positie oliespuitmond (niet bij varianten met TNHA-kooi) |
| Berekeningsgegevens | ||
| Parameter | Waarde | Beschrijving |
| C | 402 kN | Dynamisch draaggetal |
| C0 | 850 kN | Statisch draaggetal |
| Pu | 88 kN | Vermoeiingsbelastinggrens |
| 3 000 r/min | Bereikbaar toerental voor vetsmering | |
| 3 400 r/min | Bereikbaar toerental voor olie-luchtsmering | |
| Gref | 81 cm³ | Referentie vethoeveelheid |
| 5 190 N/µm | Statische radiale stijfheid (richtwaarde) | |
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Onze retourvoorwaarden staan vermeld in onze Terms and Conditions.
Ook staan veel voorkomende vragen in de Frequently asked questions.
Unfortunately, despite our great care, it may happen that your order is not completely satisfactory. Don't worry, you can easily fill out the return form to return your order. This also applies if you have accidentally ordered the wrong product - we are happy to help you with a quick and smooth return process. This starts with filling out the return form. Click here to start.
Our return policy is listed in our Terms and Conditions.
Also are common quetions included in the Frequently asked questions.
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