Product Description:
 
※ Material: Nitrile rubber (NBR) + metal frame + spring
※ Frame oil seal size: inner diameter * outer diameter * height, unit: mm (mm)
※ Colour: Black
※ Function: The skeleton oil seal is a lip seal for the rotating shaft. The skeleton is like the steel bar in the concrete member, which strengthens and keeps the shape and tension of the oil seal.
※ Classification: According to the frame type, it can be divided into inner frame oil seal, outer frame oil seal, inner and outer frame oil seal. The skeleton oil seal is made of nitrile rubber and steel plate + spring, with stable quality and long service life.
※ Application: Widely used in machine tool spindles, automobile, motorcycle crankshafts, camshafts, differentials, shock absorbers, engines, axles, front and rear wheels, etc.
※ Executive standard: GB/T 13871_92 / GB /T 13871_2007 / GB/T 9877.1_1998 / GB/T 9877.2_1998 / GB/T 9877.3_1998 / GB/T 9877_2008
※ Material characteristics: oil resistance, wear resistance, temperature resistance
※ Working medium: mineral oil, synthetic oil, water
※ Temperature: -20℃ ~ 100℃
※ Material hardness: 70°
※ Working pressure: 0.3bar
※ Function use
1. Prevent the intrusion of sand, dust, moisture, etc. into the bearing from outside;
2. Limit the leakage of lubricating oil in the bearing. The requirements for oil seals are that the dimensions (inner diameter, outer diameter and thickness) should meet the regulations; they must have appropriate elasticity, which can properly jam the shaft and play a sealing role; they must be heat-resistant, wear-resistant, strong, and resistant to media ( Oil or water, etc.), long service life
※ ※ ※ Remarks: There are too many skeleton oil seal sizes, not listed one by one. If you need other sizes, please contact customer service. If you need fluorine rubber material (FKM/FPM), the color is brown, please contact customer service for quotation. (There are quantity requirements)

※ Related links of supporting products:
 
Dimensional error information: When manufacturing parts, to make them interchangeable, the parts should be within the specified maximum and minimum limits. The permissible size variation is: tolerance, but they all fall within the scope of the industry regulations. Contact online customer service for information on specific tolerances. When the product is ordered, the tolerance is accepted by default.
 
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