Rotary Shaft Seal 20×52×6 NBR TC (Double Lip Oil Seal)
search
  • Rotary Shaft Seal 20x52x6 NBR TC - Double Lip Oil Seal
  • Rotary Shaft Seal 20×52×6 NBR TC (Double Lip Oil Seal)

Rotary Shaft Seal 20x52x6 NBR TC (Double Lip Oil Seal)

10 pcs.
€1.73 (net)
Price for: 1pcs.

Choose the 20x52x6 NBR TC double lip rotary shaft seal for dependable sealing in rotating systems where oil retention and contaminant exclusion are critical. With superior durability, precision design, and industrial applicability, this shaft sealing ring is ideally suited for automotive and machinery OEMs or maintenance supply.

📍 Warehouse & Store: Lublin, ul. Smoluchowskiego 1, building 4
🚚 24h Delivery - fast order processing

Order now and secure your equipment with a high-quality rotary shaft seal 20x52x6 NBR TC — engineered for reliability, built for performance.

Quantity

Applications & Industries

This 20x52x6 NBR TC rotary shaft seal with double lip design is ideal for demanding conditions across automotive, hydraulic, industrial machinery, motors, gearboxes, pumps, and compressors. In global search patterns, buyers often use terms like “20x52x6 oil seal,” “double lip shaft seal 20x52x6,” “NBR TC oil seal,” “rotary shaft seal NBR 20x52x6,” and “industrial oil seal double lip.” This seal is engineered to reliably retain lubricants and block external contaminants such as dust, dirt, moisture, and debris in rotating assemblies.

Core Advantages & Design Features

  • Double lip (TC) structure - the primary lip interfaces with shaft for sealing, while the secondary (dust) lip protects against external ingress, enhancing longevity and performance.

  • High durability and resistance - made from nitrile butadiene rubber (NBR), it offers strong resistance to mineral oils, greases, and typical industrial fluids, suited to rotating environments.

  • Reliable sealing under dynamic conditions - the elastomer lip, often aided by a garter spring, maintains continuous contact with the shaft to prevent leaks under rotation.

  • Sturdy metal backing - many TC seals incorporate a metal case or rigid support behind the elastomer, providing structural stability, dimensional rigidity, and secure fit in the bore.

  • Broad operating range (within NBR limits) - suitable for moderate temperature applications, often in the range of -30 °C to +100 °C (depending on exact rubber compound).

  • Protection in harsh environments - the double lip helps reduce contamination wear, making it effective in industrial or dusty surroundings.

TC (double lip) seals are globally popular because they combine oil retention and contaminant exclusion in one compact sealing ring — a frequent phrase in supplier catalogs is “double lip oil seal with dust lip” or “rotary shaft seal TC type”.

Technical Data & Specification

Parameter Typical Value / Description
Inner Diameter (ID) 20 mm
Outer Diameter (OD) 52 mm
Width / Height 6 mm
Seal Type Rotary / Radial shaft seal
Lip Configuration Double lip (TC)
Material NBR (nitrile rubber)
Intended Use Dynamic shaft sealing in rotating assemblies
Environmental Conditions Moderate temperature, presence of oils & greases
Protection Against dust, external contaminants

FAQ: Common Questions & Answers

Q: What differentiates a double lip (TC) seal from a single lip (SC) seal?
A: The double lip design adds a secondary dust or exclusion lip that defends against external contamination, improving seal life, especially in dirty or harsh environments. The primary lip handles fluid retention, while the dust lip blocks debris ingress.

Q: How should I choose the correct shaft seal size?
A: Measure the shaft diameter (ID), the bore or housing diameter (OD), and the available width (height) for the seal. Tolerances, surface finish, and axial space must also be taken into account.

Q: What are typical material choices and their trade-offs?
A: NBR is commonly chosen for its good oil/grease resistance and cost effectiveness in moderate conditions. For high temperature or aggressive fluids, alternatives like FKM (Viton) or HNBR may be preferred.

Q: Can this seal handle high RPM or pressure?
A: It’s designed for moderate rotation. Very high RPM or high-pressure sealing may require more specialized geometries or materials.

Q: How do I install the seal to ensure proper performance?
A: Ensure the seal is installed square to the bore, avoid lip damage, use proper tooling, and lubricate the lip lightly before starting. Misalignment or rough housing surfaces can degrade seal performance.

GRN
20X52X6
10 pcs.

Data sheet

Diameter in. (mm)
20
Diameter out. (mm)
52
Height (mm)
6
Mark
GRN