Bearings
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SOB 1220 12/18x20 Bronze bushing with graphite inserts
The bronze bushing is manufactured with machined holes and/or grooves into which graphite is inserted. These graphite plugs act as the lubricant…
Full description
Product code: 16B50 1220
Availability
In stock - 44 pcs
Product description
The bronze bushing is manufactured with machined holes and/or grooves into which graphite is inserted. These graphite plugs act as the lubricant between the shaft and the bearing. The graphite inserts provide a slippery coating that acts as an ongoing, reliable lubrication between the surfaces.
Documents
B50.pdf
Parameters
Vnitřní průměr (mm)
12
Vnější průměr (mm)
18
Délka (mm)
20
Přípustné zatížení p statické (MPa)
100
Přípustné zatížení p dynamické (MPa)
70
Přípustná kluzná rychlost V (m/s)
0,4
Maximální pV faktor (MPa x m/s)
1
Maximální teplota °C
250
Minimální teplota °C
-100
Součinitel tření bez mazání
0,1 - 0,28
Součinitel tření mazání vodou
0,08 - 0,28
Povrchová drsnost hřídele µm
0,2 - 0,24
Povrchová drsnost otvoru µm
19,2
Tolerance hřídele
c8, d24
Tolerance otvoru
H23
Tvrdost hřídele HB
180
Tvrdost hřídele HRC
35
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SOB 1220 12/18x20 Bronze bushing with graphite inserts
Jan Lampárek
Sales Department
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