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xiros® thrust ball bearings, double row, xirodur® B180, glass balls, mm
- For shafts Ø: 20mm
- Higher load capacity
- Good resistance to chemicals and seawater
- Operating temperature: from -40°C up to +80°C
- Ring material: xirodur® B180
- Ball material: glass
Part No.
Ø d2 [mm]
size
Dimensions
Fold
size
51104 Fold
Ø d1 [mm]
20 Fold
Ø d2 [mm]
47 Fold
Ø d3 (Flange) [mm]
46.5 Fold
b1 [mm]
10 Fold
General properties
Fold
Rings material
xirodur B180 Fold
Ball material
Glass Fold
Density [g/cm³]
1.42 Fold
Colour
White Fold
Max. moisture absorption [Wt.- %]
0.2 Fold
Max. total moisture absorption [Wt.- %]
0.7 Fold
Shipping weight (kg or kg/m)
0.018599 Fold
Mechanical properties
Fold
max. speed (rpm)
460 Fold
Static load capacity [N]
975 Fold
Dynamic load capacity [N]
1215 Fold
Modulus of elasticity [MPa]
2500 Fold
Flexural strength (at 20°C/68°F) [MPa]
68 Fold
Shore D hardness
77 Fold
Specific volume resistance
> 1014 Ωcm, testing method DIN IEC 93 Fold
Surface resistance
> 1014 Ω, testing method DIN 53482 Fold
Thermal properties
Fold
Max. long-term application temperature [°C]
80 Fold
Lower application temperature [°C]
-40 Fold
Requirements
Fold
Double row
Chemical resistance
Fold
Alcohol
+ resistant Fold
Greases, oils without additives
+ resistant Fold
Hydrocarbons
+ resistant Fold
Fuels
+ resistant Fold
Strong acids
– non-resistant Fold
Strong alkalis
+ to 0 resistant to conditionally resistant Fold
Diluted acids
0 to – conditionally to non-resistant Fold
Diluted alkalis
+ resistant Fold
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