Sealing Excellence, Securing Industry

CFKS FKM Washing Machine Oil Seal 42*68*10/12 Rotary Shaft Water Seal Washer Shaft Seal

  • Engineered to withstand the aggressive environment of modern high-RPM washing machines, the CFKS FKM Rotary Shaft Water Seal provides a definitive barrier against hot water, chemical detergents, and friction wear. Its dual-lip design ensures long-term operational stability, preventing premature bearing failure and costly appliance downtime.

    • High-Spin Fluid Retention: Optimally engineered to maintain structural integrity under high centrifugal forces and rapid agitation cycles.

    • Premium FKM Compound: Outstanding resistance to laundry chemicals, fabric softeners, and elevated water temperatures up to 220°C.

    • Precision Fluid Control: The 42*68*10/12 mm structural dimensions guarantee a perfect hydrodynamic press-fit to eliminate axial leakage.

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

Product Name FKM Washing Machine Oil Seal Specification 42*68*10/12 mm (Customization Supported)
Material Premium FKM / NBR Feature High-Chemical Resistance & Low-Friction
Work Temperature -20℃ to 220℃ Hardness 70 – 75 Shore A
Type Rotary Shaft Water Seal (Dual Lip) Usage Front-load washers, top-load agitators, drum bearings, drive shafts, tub backs, industrial extractors.

 

In washing machine applications, the rotary shaft seal must handle dynamic multi-axial loads and intense centrifugal forces during the spin cycle. The CFKS 42*68*10/12 seal utilizes a precision-engineered elastomeric sealing lip that exerts a controlled radial contact pressure on the rotating shaft. This design relies on a micro-hydrodynamic sealing principle: as the washer shaft spins, a microscopic fluid film forms beneath the sealing lip, minimizing friction while preventing wash water from bypassing the barrier into the drum bearings.

 

Standard NBR seals frequently fail prematurely when exposed to modern concentrated detergents and high-temperature sanitization cycles. By upgrading to a high-fluorine FKM compound, this water seal exhibits exceptional chemical inertness and thermal stability. FKM effectively resists polymer degradation when exposed to surfactants, bleaching agents, and fabric softeners, maintaining its elastic memory and sealing force across an extended operational lifetime where lesser elastomers stiffen and crack.

Standard NBR seals frequently fail prematurely when exposed to modern concentrated detergents and high-temperature sanitization cycles. By upgrading to a high-fluorine FKM compound, this water seal exhibits exceptional chemical inertness and thermal stability. FKM effectively resists polymer degradation when exposed to surfactants, bleaching agents, and fabric softeners, maintaining its elastic memory and sealing force across an extended operational lifetime where lesser elastomers stiffen and crack.

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
Washing Machine Seal Size List
Size Type
DC 25*47*10 Washing Machine Oil Seal
SC 25*47*7 Washing Machine Oil Seal
TC21*40*7 Washing Machine Oil Seal
TC 22*40*10 Washing Machine Oil Seal
TC 22*40*7 Washing Machine Oil Seal
TC 25*47*10 Washing Machine Oil Seal
TC 25*50*10 Washing Machine Oil Seal
TC 30*52*10 Washing Machine Oil Seal
TC 30*55*10 Washing Machine Oil Seal
TC 35*62*10 Washing Machine Oil Seal
TC 40*60*10 Washing Machine Oil Seal
TGY 22*40*10/11.5 Washing Machine Oil Seal
TGY34*52/65*7/10 Washing Machine Oil Seal
TGY 44*58.5*6.5 Washing Machine Oil Seal
TGY40*70/78*10.5/15 Washing Machine Oil Seal
TGY 6*21.5/55* 12.5 Washing Machine Oil Seal
6*22*7 Washing Machine Oil Seal
VA22 Washing Machine Oil Seal
AV1060 Washing Machine Oil Seal
TGWA 47*84*10/13 Washing Machine Oil Seal
DC22*40*8.5 Washing Machine Oil Seal
T10C7 25*47* 10/11.5 Washing Machine Oil Seal
TCA 30*52*11/12.5 Washing Machine Oil Seal
TCA 35*62*11/12.5 Washing Machine Oil Seal
TCA 40*60*8/10.2 Washing Machine Oil Seal
TCAY40*70/80*12/14 Washing Machine Oil Seal
TCAY40.2*72*11/14 Washing Machine Oil Seal
TCY 30*55/68*8/11 Washing Machine Oil Seal
TCY32*52*10/12 Washing Machine Oil Seal
TGY40*62/78*10/15 Washing Machine Oil Seal
TG9Y 25*52*8/11.5 Washing Machine Oil Seal
30*52/65*10/15 Washing Machine Oil Seal
30*52/65*7/10 Washing Machine Oil Seal
32*52/78*8/14.8 Washing Machine Oil Seal
35*62/75*7/10 Washing Machine Oil Seal
40*72/88*8/14.8 Washing Machine Oil Seal
VA25 Washing Machine Oil Seal
VS25 Washing Machine Oil Seal
TGWA 37*72*9/12 Washing Machine Oil Seal
TCY 22*40*8/11.5 Washing Machine Oil Seal
TCY 30*52* 10/12 Washing Machine Oil Seal
TCY30*60.55*10/12 Washing Machine Oil Seal
TCY35*65.55*10/12 Washing Machine Oil Seal
TCY 37*66*9.5/12 Washing Machine Oil Seal
TCY 37*76*9.5/12 Washing Machine Oil Seal
TCY 22*40/51*8/12 Washing Machine Oil Seal
TCY 25*47*8/11.5 Washing Machine Oil Seal
TCY25*50.55*10/12 Washing Machine Oil Seal
TCY 25*53.5*10/14 Washing Machine Oil Seal
TCY 30*53.5*10/14 Washing Machine Oil Seal
21*40*7 Washing Machine Oil Seal
25*47/64*7/10.5 Washing Machine Oil Seal
25*55/68*8/11 Washing Machine Oil Seal
28*52*9/11.5 Washing Machine Oil Seal
30*52/62*9.5/16 Washing Machine Oil Seal
30*52/60* 11/15 Washing Machine Oil Seal
VA28 Washing Machine Oil Seal
AV1061 Washing Machine Oil Seal
TGWA 45.5*84*10/12 Washing Machine Oil Seal
TCY 22*40*8/11.5 Washing Machine Oil Seal
TCY 30*52* 10/12 Washing Machine Oil Seal
TCY30*60.55*10/12 Washing Machine Oil Seal
TCY35*65.55*10/12 Washing Machine Oil Seal
TCY 37*66*9.5/12 Washing Machine Oil Seal
TCY 37*76*9.5/12 Washing Machine Oil Seal
TCY 22*40/51*8/12 Washing Machine Oil Seal
TCY 25*47*8/11.5 Washing Machine Oil Seal
TCY25*50.55*10/12 Washing Machine Oil Seal
TCY 25*53.5*10/14 Washing Machine Oil Seal
TCY 30*53.5*10/14 Washing Machine Oil Seal
21*40*7 Washing Machine Oil Seal
25*47/64*7/10.5 Washing Machine Oil Seal
25*55/68*8/11 Washing Machine Oil Seal
28*52*9/11.5 Washing Machine Oil Seal
30*52/62*9.5/16 Washing Machine Oil Seal
30*52/60* 11/15 Washing Machine Oil Seal
VA28 Washing Machine Oil Seal
AV1061 Washing Machine Oil Seal
TGWA 45.5*84*10/12 Washing Machine Oil Seal

 

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