Sealing Excellence, Securing Industry

CFKS Customized NBR TA2 Oil Seal 66*30*9 TA2 Dual Lip Oil Seal TA2 Type Rotary Oil Seal

The CFKS TA2 Dual Lip Oil Seal 66*30*9 is engineered for high-demand rotating shaft applications, delivering exceptional fluid retention and contaminant exclusion under harsh industrial conditions. Featuring a reinforced dual-lip design and a precision metal cage, it ensures maximum structural integrity and structural stability where standard seals fail.

  • Dual-Lip Protection: Primary sealing lip retains lubricants while the auxiliary dust lip blocks external contaminants.

  • Enhanced Radial Load: Optimized garter spring ensures constant, uniform contact pressure on the rotating shaft.

  • Customizable Specifications: Available in tailored dimensions and premium elastomers to match your exact application requirements.

Find your sealing solution with CFKS — contact us for a quote.

Product Name CFKS TA2 Dual Lip Oil Seal Specification 66*30*9
Material Premium NBR / FKM / PU Feature High Wear Resistance & Anti-Contamination
Work Temperature -20℃ to 220℃  Hardness 70 – 75 Shore A
Type TA2 Double Lip Rotary Seal Usage Gearboxes, Electric Motors, Pumps, Automotive Axles, Hydraulic Turbines, Conveyor Drives

 

The TA2 type oil seal operates on a precise hydrodynamic sealing principle designed for rotating shafts. The primary sealing lip utilizes an engineered radial force, augmented by a high-tensile garter spring, to maintain a controlled microscopic fluid film between the rubber lip and the shaft interface. This design effectively counteracts centrifugal forces and shaft runout. Unlike standard axial seals, the dual-lip configuration of the TA2 creates a secondary barrier that seals out fine dust and moisture, ensuring zero leakage even in high-vibration environments like industrial gearboxes and pumps.

 

Operational longevity depends heavily on matching the elastomer compound to the chemical and thermal environment. CFKS manufactures TA2 seals using NBR and FKM. NBR delivers exceptional resistance to petroleum-based oils, hydraulic fluids, and mechanical wear, making it the ideal choice for general industrial machinery. For extreme environments involving aggressive chemical media, synthetic lubricants, or elevated thermal loads, our FKM compound ensures superior ozone resistance and prevents thermal degradation, maintaining lip elasticity over extended service lifecycles.

Minimizing equipment downtime requires a sealing solution that is both highly durable and straightforward to deploy. The TA2’s outer metal case features a precision-ground OD that ensures a tight, interference fit within the housing bore, eliminating the risk of dynamic backtracking or skewed positioning during installation. Thanks to the low-friction profile of our optimized lip geometry, the seal minimizes frictional heat generation during initial break-in phases. This drastically reduces shaft grooving and extends the MTBF, offering a low-maintenance solution for high-duty cycles.

Frequently Asked Questions (FAQ)

Why does my CFKS oil seal fail prematurely? Common causes and prevention tips2025-06-26T15:44:39+08:00

Premature oil seal failure can result from improper installation, poor shaft finish, incorrect material selection, or excessive pressure. To prevent this, ensure the shaft surface is smooth and within tolerance, use correct tools during installation, and choose seals made from materials compatible with your media and temperature.

How to correctly install a CFKS industrial oil seal to avoid leakage2025-06-26T16:04:32+08:00

Always clean the shaft and bore before installation. Use appropriate seal drivers to avoid deformation. Lubricate the lip before fitting to reduce friction during the first rotation. Ensure the seal is seated evenly and not tilted to avoid leaks.

What to do when your CFKS hydraulic seal is leaking under pressure2025-05-20T16:33:14+08:00

Check if the pressure exceeds the seal’s rated limit. Examine for wear, hardening, or improper installation. Replace the seal if damaged, and consider upgrading to a high-pressure CFKS seal variant. Also, verify that the housing and shaft are properly aligned.

How to choose the right CFKS oil seal for extreme operating environments2025-05-20T16:34:39+08:00

For high temperatures, aggressive chemicals, or abrasive environments, choose CFKS seals made of FKM, PTFE, or high-performance elastomers. Consider using seals with protective dust lips or metal casing. Our team can recommend the best fit for your application.

CFKS Seal Manufacturing Co.,Ltd.
https://cfksseals.com/
Email:cfksnacy@gmail.com Mobile/WhatsApp/Wechat:(86)188-3097-5917
TA Oil Seal Size List
SIZEMaterialCore Application
35*52*10NBRCentrifugal Pumps & Transmission Shafts
40*62*12NBRHydraulic Pumps & Agricultural Machinery
45*65*12NBRIndustrial Reducers & Conveyor Systems
50*72*12NBR/FKMIndustrial Fan & Blower Assemblies
55*80*12NBRTractor Drive Axles & Power Take-Offs
60*85*12NBRWater Treatment Pumps & Mixers
65*90*12NBRMarine Propulsion & Stern Drive Systems
70*95*13NBR/FKMConstruction Machinery Wheel Hubs
75*100*12NBRHeavy-Duty Industrial Gearboxes
80*105*13NBR/FKMTruck Axle Repair & Drivetrains
85*110*13NBRMetal Rolling Mill Equipment
90*115*13NBRExcavator Final Drives & Travel Motors
95*120*13NBRPulp & Paper Processing Machinery
100*125*13NBR/FKMMining Conveyor Roller Assemblies
105*135*14NBRChemical Processing Pumps & Agitators
110*140*14NBR/FKMAgricultural Harvester Transmissions
115*145*14NBRHeavy-Duty Earthmoving Equipment
120*150*15NBR/FKMIndustrial Ventilation & Cooling Units
125*155*15NBRSteel Production Line Rollers
130*160*15NBR/FKMCement & Concrete Mixing Plants
135*165*15NBRShip Engine Crankshaft Seals
140*170*15NBR/FKMLarge Bore Hydraulic Cylinders
145*175*15NBRWind Turbine Main Shaft Bearings
150*180*15NBR/FKMQuarrying Machinery & Stone Crushers
155*185*15NBRRubber & Plastic Extrusion Lines
160*190*16NBR/FKMHeavy Cargo Winches & Hoists
165*195*16NBRLarge Gear Drives for Industrial Mills
170*200*16NBR/FKMMarine Dredging & Salvage Equipment
175*210*16NBRPetroleum Refining & Driller Machinery
180*210*16NBR/FKMThermal Power Generation Turbines
185*220*16NBRWastewater Aerator Drive Systems
190*225*16NBR/FKMMining Shovel & Dragline Components
195*230*16NBRHeavy Steel Casting & Forging Machines
200*240*18NBR/FKMSugar Mill Roller Drive Shafts
210*250*18NBR/FKMTunnel Boring Machine (TBM) Cutters
220*260*18NBRLarge Marine Propeller Shaft Seals
230*270*18NBR/FKMPort Handling & Container Cranes
240*280*20NBRHydroelectric Power Station Valves
250*290*20NBR/FKMLarge-Scale Industrial Air Compressors
260*300*20NBRHeavy Forging Presses & Hammers
270*310*20NBR/FKMMining Excavator Chassis & Axles

 

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