Product Details:

Product Name:TB Front Wheel Oil Seal 130x170x16mm For Mercedes 

the requirements of the oil seal on the assembly shaft:

1. The surface roughness of the shaft is in accordance with the provisions of GB1801. The shaft surface in contact with the oil seal should be

    ground to a surface roughness Ra0.2 ～ 0.63um and Rmax = 0.8 ~ 2.5um.

2. The diameter tolerance of the shaft shall not exceed h11 according to GB1801.

3. The chamfer width is according to GB13871-92.

4. Surface hardness: The material of the shaft is preferably carbon steel and alloy steel. The recommended hardness is HRC45 or higher. When

    the medium is dirty and has contaminated impurities from the outside or the linear speed of the shaft is ≥12m / s, the surface hardness of the

    shaft It should be HRC50 ～ 60, and the depth of quenching layer should be ≥0.3mm.

5. The shaft is chamfered at 30 degrees (maximum). There should be no burrs, sharp corners, and spiral processing marks on the chamfer. The

     roughness of the chamfered surface Ra ≦ 3.2um. The heat-treated carbonized layer must be polished and removed.

FAQ:

Q1: How long is your delivery time?
 

A: 3-5days after payment received(public holiday excluded).

Q2: How to make payment?

A: We accept multiple payment method like Bank Transfer, Western Union, Money Gram, Credit Card, Paypal ,L/C and so on.

 
Q3:Who will pay importing duties?
 
A: Our quotation does not includes importing cost such as duties. So our customer has to pay these fees according to importing policy of their
 
country. If our customer has special requirement for the declared value, you can tell us.
 
Q4:How about your product quality control?
 
A:We produce strictly according to the standard production process : qualified material--vulcanization--trimming-second vulcanization--quality
 
inspection.
 
Q5: What is your advantages?
 
A:Our products offers excellent quality, reasonable price, good after-sales service & quality assurance.