
OIL SEALS
Standard Oil eals, with application in moto reducers, hydraulic pumps and machines in general.
In the automotive line: power steering, shock absorber and moto lines. Brands: NAK and NQK.
The oil seals promote the sealing of rotating shafts, used in the construction and maintenance of machines, vehicles and equipment in general.
The main function is to retain oils, grease, dust, dirt or impurities. The seal material must be compatible with the fluid to be sealed, thus avoiding corrosion and damage to the component.
Commonly used rubber materials are: nitrile rubber (NBR), viton rubber (FKM), hydrogenated rubber (HNBR), polyacrylic (ACM) and silicone (VMQ). The hardness of rubber varies from 70 shore to 90 shore, depending on the application.
Models (profiles) must be chosen according to the application.

Standard
Oil Seal
Seals for rotary shafts of various dimensions and meet applications <= 0.3 bar and speed <= 10 m/s. The temperature range depends on the type of rubber.
Basic
Models
TC, SC: models totally covered by rubber, with or without dust lip, with or without spring.
TB,SB: models of metal plus rubber, with or without dust lip; with or without spring.
TA, SA : models totally metal covered, with or without dust lip; with or without spring.
Cap seals: for static application to act as a barrier or cap.
Pofiles

Pressure
Oil Seal
Type N seals are pressure resistant and provide excellent sealing in pressurized application media.
Basic
Models
TCN11, TCN, TCN1: with dust lip and spring.
SCN11, SCN, SCN1: without dust lip and spring.
Pressure >0,3 bar
Profiles

Oil Seal
for Compressor
Compressor seals are suitable for high-speed applications and when temperature reduction at the sealing lip contact is required. They are used in Schulz and Atlas Copco compressors.
Basic
Models
PA3 (lábio duplo)
PA3l2 PA22: Lábio simples
Profiles

Oil Seals
for Power Steering System
NAK hydraulic power steering seals have better resistance to oil and high temperatures. In addition, they have better mechanical properties for sealing the hydraulic steering fluid.
Specially designed for vehicle power steering system. It has excellent sealing ability for high fluid pressure (FSP) and low friction steering.
Basic
Models
Type
CNB,
CNB1,
CNB1W11,
GNB1W11,
GNB14W11,
CNB7,
CNB3,
CNB18.
Pofiles

Oil Seals
for Shock Absorber
Os retentores NAK para amortecedor são para uso automotivo e apresentam dupla função: prevenção de vazamento e fluído de amortecimento. Resistentes à temperatura e pressão, apresentam design especial e superfície de alta velocidade.
Basic
Models
Type 4: special design for bike and motorcycle shock absorber. The second lip with circular shape can reduce friction and prevent lip distortion, facilitating the reciprocating movement of the part.
Type 4S/AS: special design for vehicle shock absorber. The second lip with circular shape can reduce friction and prevent lip distortion, facilitating the reciprocating movement of the part.
Pofiles

Axial Face
Oil Seal
The axial face seal is assembled on the shaft, rotates with the shaft and perpendicular to the seal face. Metal plate coupled to rubber V ring to increase rigidity and provide protection against dust.
Temperature range according to the type of material used.
Basic
Models
RE e RE1
Pofiles

Other models of oil seals
- Large diameters
- Transmission
- Oil seal for washing machine
For other models, please consult our sales team. Líbel offers the option of importing models that are not in stock, as well as customizing custom and special pieces. Contact us.
Suppliers
NAK
Number 1 brand in seals, with 45 years in the market and factory located in Taiwan. Products with excellent quality, with ISO 9001, ISO 14000, ISO 45001 and IATF 16949 certificates. Provides global technical support.
OTHER BRANDS
Our suppliers are specialized and offer products with guaranteed quality. We also work with NQK seals and other brands. To consult the other products availability, please contact us.
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