Dust cover for Precision Ball Bearings rubber-Hongtai

Bearing dust cover

A bearing dust cover is a device used to protect mechanical parts from dust, impurities, and moisture. It is typically made of rubber or other elastic materials and is designed as a ring-shaped cover, fixed to one ring or washer of the mechanical part, forming a labyrinth gap with another ring or washer to prevent external impurities from entering.

Quantity:

Contact Now

add to cart

Product Specifications:

shape	outer diameter	inner diameter	through hole	Depth+Bottom Thickness	MOQ
roundness inside but squareness outside	L=85 R=65	60	20	20+5
round	48/39		18	7+3
round	53/47		22	8+3
Circular plug	40	20	8	20+6	700

Dust cover for Precision Ball Bearings rubber-Hongtai

In the microscopic universe of precision machinery, a bearing dust cover is far more than just a simple metal or rubber cover; it is an"invisible guardian"ensuring the survival of core operating components. This crucial barrier is typically made from high-toughness, high-quality rubber or corrosion-resistant metal, precision-cast into an indestructible ring-shaped shield.

It is cleverly anchored to one end of the bearing's stationary raceway, and through precise calculations, it creates a highly intelligent"non-contact labyrinth structure"with the rotating raceway. This unique geometric gap, like an unfathomable city gate, effectively cuts off external corrosion paths without generating any mechanical friction or affecting the smoothness of high-speed operation. Whether it's fine dust floating in the air, hard metal fragments, or corrosive moisture, acidic or alkaline mists, all are completely blocked by this tight defense.

At the same time, we also sell this product.

Furthermore, the dust cover also acts as a"lock"for the internal lubrication system, effectively preventing grease leakage or loss under high-speed centrifugal force, ensuring that the raceway is always immersed in a pure oil film. It is this dual characteristic of external defense and internal lubrication that greatly extends the service life of bearings, significantly reduces equipment maintenance frequency and energy consumption, and allows mechanical systems to maintain stable, quiet, and precise operation even under harsh working conditions over long periods of time.

We offer high-quality OEM services. Please feel free to contact us with any questions or needs.

Application scenarios

FAQ

Q:Could we order just samples for testing before real order?

A:Yes,Sample order is acceptalbe for us .

Q:Could we place a mixed order?

A:It`s ok,But normally for mixed order,moq for each item is 10pcs

Q:How long is your products warranty?

A:One year ,If no-man-made problem,any defective products within will get maintenance of

Q:Do you accept PayPal or Ablibaba Trade Assurance for payment?

A:Yes ,we do ,we also accept T/T bank transfer to Western Union ,Moneygram,etc

Q：What is the outer package of the product?

A: carton packing or wooden packing.

Transportation

Your goods will be transported via DHL/FEDEX/EMS, etc

Delivery cycle
Usually takes 15 working days, with different quantities and delivery times. The specific delivery date needs to be renegotiated.

Our Services

1、Your inquiry will be promptly replied in 24 hours time

2、Custom logo and packaging acceptable and according to customer`s demand

3、protection of your sales area,ideas of design and all your private information

4、about warranty :

a.All items 100% tested before shipment

b. One year ,If no-man-made problem,any defective products within will get maintenance of

replacement unconditionally (we will replace or repair for your freely)

Dust Cover Ball Bearings feature pre-lubricated seals to effectively block contaminants and ensure maintenance-free operation.
Stable Ball Bearings deliver consistent rotational accuracy and minimize vibration under high-speed working conditions.
Precision Ball Bearings are manufactured to tight tolerances for exceptional smoothness and reliable performance.

Recommend Products