Technical description
2.2 Shaft seals
BA 2030
Operating Instructions, 02/2021, A5E37880173A/RS-AM
19
2.2
Shaft seals
The shaft sealing rings on the output side prevent lubricant from escaping from the housing
at the shaft outlet and prevent pollution from entering the housing.
The optimum use of the seals depends on the ambient conditions and the lubricant being
used.
Radial shaft sealing ring
A high-quality radial shaft sealing ring is used as standard seal. The ring is provided with an
additional dust lip to protect against contaminants from outside.
Permitted oil sump temperatures -40° C to +80° C.
Seal for a longer service life (optional)
The radial shaft sealing ring with dust lip has an additional buffer axial seal towards the inside
of the gearbox. The sealing system has a high degree of reliability as a result of the
insensitivity with respect to contaminations in the oil.
Permitted oil sump temperatures -40° C to +100° C.
Seal to handle increased environmental stress (optional)
This seal is equipped with an additional fiber disk. The disk so provides increased protection
against higher environmental stress caused by dirt and dust.
Permitted oil sump temperatures -20° C to +80° C.
High temperature-resistant seal (optional)
The deployed radial shaft sealing rings are made of a temperature-resistant material.
Permitted oil sump temperatures -25° C to +110° C.
2.3
Cooling
NOTICE
Dust deposits prevent heat radiation
Dust deposits prevent heat radiation and cause a high housing temperature.
Keep the gearbox free from dirt, dust, etc.
The gearbox does not normally require additional cooling. The generously dimensioned
housing surface is sufficient for dissipating heat losses where there is free convection. If the
housing temperature exceeds a value of +80 °C, please contact Technical Support.
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