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GMN Bearing USA

GMN Bearing USA

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What’s the Difference Between Lip Seals & Non-Contact Seals?

You are here: Home / Product Detail / What’s the Difference Between Lip Seals & Non-Contact Seals?

Lip Seals vs Non-Contact Seals

CRITERIALIP SEALNON-CONTACT
SEAL
Wearby frictionnone
Power
Loss
by frictionno power loss:
may lead to
energy savings &
smaller units
Speed Limitmaterial dependentnone
Live Tooloperation
limited by
wear to lip seal
unlimited
operation
Lubricationrequired at
the sealing
location
no lubrication
required
Mating Partshardening &
grinding required
for the shaft at
higher speeds
to reduce wear.
hardening &
grinding
not required.
Temperature Rangelimited due
to material
(plastic or rubber)
Large range.
Very low: -40°F
(-40°C) to
very high: 340°F
(140°C)

(metallic material
steel + aluminum)
Space RequirementsmallGMN Labyrinth
Seals: Small
Field of Applicationsgrease lubricationgrease lubrication
oil lubricationoil lubrication: if
oil level below
sealing diameter
oil mist lubrication
water: limited,
as water may increase the
friction at sealing
location.
water: with the
use of rust proof
materials & level
below sealing
diameter.
fine & coarse
granular
contamination
not possible, as
this environment
causes rapid wear
of the lips on
the lip seal.
fine & coarse
granular
contamination can
be sealed reliably
if applied to
horizontal shaft.

Category iconArticles,  Product Detail Tag iconNon-Contact Labyrinth Seals

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GMN Bearing USA

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