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BK-2- 30 30

Boccola flottante BK-2 30x30 Metall/POM
Product details for

BK-2- 30 30

d
30 mm
D
34 mm
L
30 mm
f1
1 mm
f2
0,5 mm
g
6 mm
All characteristics

Characteristics

pv
  • Esercizio con lubrificazione: 5 N/mm² x m/s 
Carico ammesso
  • statico: 140 N/mm² 
  • Rotazione, oscillazione: 70 N/mm² 
Velocità di scorrimento
  • Ciclo a secco: 2 m/s 
  • Esercizio idrodinamico: >5 m/s 
Coefficiente di dilatazione termica
  • parallelo alla superficie: 11 x 10-6 K-1 
  • perpendicolare alla superficie: 48 x 10-6 K-1 
Coefficiente di conducibilità
  • 32 W/(m·K)
Pressione sul piano
  • 140 (≤ N/mm²) 
Applicazione
  • occhielli di fissaggio per cilindri pneumatici ed idraulici 
  • impianti di movimentazione, macchine tessili, auto, ... 
  • le prese BK-2 sono adatte per movimenti rotatori e oscillanti. 
Coefficiente d'attrito
  • secco: da 0,15 fino a 0,25 
  • lubrificato: 0,05 a 0,15 
Materiale
  • dorso in acciaio su cui è stato sinterizzato uno strato in bronzo 
  • successivamente viene laminata la resina acetalica POM sullo strato in bronzo 
Norma
  • ISO 3547 
  • DIN 1494 
Protezione superficiale
  • zincato o ramato 
Temperatura max.
  • 100 Â°C
Temperatura min.
  • -20 Â°C
Tipo
  • Cuscinetto radente rivestito in POM lubrificabile successivamente 
Tipo aggiuntivo
  • con sacche di lubrificazione 
Customs tariff number
  • 84833080 
All characteristics

Product description

Notes
An initial lubrication with grease is recommended and continual lubrication significantly increases the service life of the plain bearing.
To be observed: peak to valley height of shaft Ra < 0.8 µm.
Observed hardness of shaft > 150 HB
Description
Maintenance-free operation.
Geräusch- und Schwingungsabsorption.
Relubricable.
Hydrodynamischer Betrieb möglich.
High permitted load.
Good friction characteristics.
Hohe Gleitgeschwindigkeit.
No water absorption.
Bei schwer realisierbarem Ölfilm zu verwenden.
Low backlash during operation.
Extremely space-saving.

Product variants

70 Results
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d (mm)
D (mm)
L (mm)
f1 (mm)
Details / items
10 mm
12 mm
20 mm
0.5 mm
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15 mm
17 mm
25 mm
0.5 mm
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20 mm
23 mm
15 mm
0.8 mm
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20 mm
23 mm
20 mm
0.8 mm
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20 mm
23 mm
25 mm
0.8 mm
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20 mm
23 mm
30 mm
0.8 mm
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22 mm
25 mm
25 mm
0.8 mm
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22 mm
25 mm
30 mm
0.8 mm
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24 mm
27 mm
15 mm
0.8 mm
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24 mm
27 mm
25 mm
0.8 mm
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