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Motor Oil Seal

Factory Supply John Deere Oil Seal Skf Seal China Manufacturer
Motor Oil Seal

Factory Supply John Deere Oil Seal Skf Seal China Manufacturer

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  • Factory Supply John Deere Oil Seal Skf Seal China Manufacturer
  • Factory Supply John Deere Oil Seal Skf Seal China Manufacturer
  • Factory Supply John Deere Oil Seal Skf Seal China Manufacturer

Description

Product Description

SHAFT BEARING OIL SEAL SKF 13294 CR13294 CR400500 400500

CR17746 oil seal
CR14971 seal ring
CR16069 oil seal
CR12437 oil seal
CR12427 oil seal
CR16289/SE1006284 oil seal
CR15190 oil seal
G906283 oil seal
CR20044 oil seal
AP19255 Case
O-RING O RING
CR30087 oil seal
SEAL RING
APN21900 Metal ring
CR18823 oil seal
24863
G906486/CR27394 oil seal
CR27394DEM oil seal
CR33772 oil seal
CR43771 oil seal
CR48693 TA Oil seal
CR14975/SG042103-5/G906296 oil seal
CR20148/SG040803-1/SE1006285 oil seal
CR12437 oil seal
CR22392 oil seal
CR16069 oil seal
HUB873/871 oil seal
HUB881 oil seal
CR17617 oil seal
CR25091 oil seal
CR29968 oil seal
HUB411/SE11 oil seal
CR14975 oil seal
CR-48693 oil seal
7S6502-CR400500 seal ring
cr19617 Oil seal
cr14974 Oil seal
ABC13294
750RET
CR538266 /538266（ Oil seal
CR71326 Oil seal
CR12437
AN102006 oil seal
CR13548 Oil seal
C281241 Oil seal
21815 Oil seal
20017 20017 Oil seal
CR16069 Oil seal
CR18823 Oil seal
CR14975 Oil seal
102266 Oil seal
199491 Oil seal
199884 Oil seal
176386 Oil seal
71326 Oil seal
CR14971 Oil seal
16284 oil seal
71326 oil seal
C281241 oil seal
P199491 oil seal
1860Ret  seal
P12437 oil seal
P102006 :KABAT oil seal
P176386 :KABAT oil seal
p381721 oil seal
P667564 oil seal
P200886 oil seal
P594702 oil seal
P594703 oil seal
P6575S oil seal
P634036
P196011
P103303-S
453341 CR453341
11174 103-0063
G19 GREENLY Oil seal
G20 GREENLY Oil seal
G10991 Oil seal
500360/CR17620
CR47697/370003A Oil seal
CR38780/309-0912,370023A Oil seal
CR46305/370025A,307-0743 Oil seal
CR35066/383-0136,370001A Oil seal
376590A/370-7023 Oil seal
130528 Oil seal
A1205 Oil seal
2910BJ Oil seal
21220158 TA Oil seal

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What factors influence the performance of industry rubber seals

The sealing effect of the sealing ring is related to the material characteristics of the sealing ring. There is also a close influence on other factors. For example, the speed of rotation, working temperature, working pressure, working medium, etc., today I will tell you about the four factors that affect the sealing performance of the sealing ring.

First, the speed of rotation

  When the rotation speed is very low (< 0.03m/s), it is necessary to consider the smoothness of the operation of the equipment and whether the operational appears "crawling" phenomenon. When the movement speed is very high (> 0.8m/s), the lubricating oil film may be destroyed, and the oil seal is not well lubricated and frictions heat, resulting in greatly reduced life. It is recommended that polyurethane or rubber and plastic oil seal work in the speed range of 0.03m/s ~ 0.8m/s. High-speed oil seals need to put forward higher requirements for structure and material, and the speed of household appliances oil seals can reach 20000rpm. Both wear and temperature resistance need to be met, and the concentricity requirements of dynamic sealing on the installation are relatively high.  

Second, the temperature of the working environment

  Low temperature will reduce the elasticity of rubber and plastic oil seals, resulting in leakage, and even the entire oil seal becomes hard and brittle. High temperature will make the oil seal volume expansion, soft, resulting in the oil seal friction resistance increases rapidly and the pressure resistance decreases. It is recommended that the continuous operating temperature range of ordinary polyurethane or rubber and plastic oil seals be -10 ° C to +80 ° C. For the high temperature and high speed requirements of the working environment, we need to choose to use fluorine rubber and PTFE, high temperature resistance and wear resistance is better, the low temperature environment is generally to -40 degrees, and the rubber performance is tested at high and low temperatures to ensure that the product quality meets the requirements.  

Third, the working pressure of machinery

  The oil seal has a minimum service pressure requirement. Oil seals with low friction and low starting resistance should be selected for low pressure work. Below 2.5MPa, polyurethane oil seal is not suitable; High pressure to consider the oil seal pressure deformation, need to use anti-extrusion stop ring, grooving processing also has special requirements.

Fourth, the working medium

  General sealing media are gasoline, oil, diesel, grease, and some static sealing dust. In addition to selecting the working medium strictly according to the manufacturer's recommendations, it is important to keep the working medium clean. Aging or contamination of the oil will not only cause the components in the system to fail, accelerate the aging and friction of the oil seal, but also the dirt in it may scratch or embed the oil seal, making the seal fail. Therefore, it is necessary to regularly check the quality of the oil and its cleanliness, and replace the oil filter or oil according to the maintenance specifications of the equipment. The air remaining in the oil in the cylinder will be compressed by high pressure, which will cause the oil seal to burn out or even carbonize. In order to avoid this situation, exhaust treatment should be carried out at the initial operation of the hydraulic system. The hydraulic cylinder should also run at low pressure and slow speed for a few minutes to confirm that the residual air in the oil has been drained before it can work normally.