Description
Technical Parameters
Size: length*width*height 5*19*6 (mm), the size can be customized according to customer needs.
Material: stainless steel 304, stainless steel 420, stainless steel 440, stainless steel 316, the material can be customized according to customer needs.
Neutral salt spray certification for 260 hours.
Ball bearing salt spray certification test is tested in accordance with ISO 9227 standards

|
68 |
Shield |
2 |
304/201/301+NBR |
|
07 |
retainer |
2 |
PA66+GF25 |
|
04 |
Ball S 5.556 |
2X7 |
AISI 440 |
|
02 |
Inner ring |
1 |
AISI 440 |
|
01 |
Outer ring |
1 |
AISI 440 |
In 1883, Friedrich Fischer proposed the idea of using suitable production machines to grind steel balls of the same size and accurate roundness, which laid the foundation for the bearing industry. O. Reynolds of the United Kingdom conducted a mathematical analysis of Thor's discovery and derived the Reynolds equation, which laid the foundation for the hydrodynamic lubrication theory.
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