Four point contact ball bearings for FAG are single-row angular contact ball bearings that can bear high loads in both axial directions and can only bear low loads in the radial direction. In order to ensure low friction, especially at high speeds, a minimum axial load is required.
FAG four-point contact ball bearings have double half inner rings, so that as many steel balls as possible can be loaded. The outer ring assembly with steel balls and half of the inner ring can be installed independently, and the bearing alignment ability is very small.
The basic type of FAG four-point contact ball bearings has a high axial load-bearing capacity due to the large number of steel balls, high shaft shoulders and a contact angle of 35°. When a four-point contact ball bearing is used as a thrust bearing, a large fitting gap is left between the bearing seat and the bearing outer ring to ensure that it does not bear radial force. The outer ring of large four-point contact ball bearings has two positioning grooves for fixing the outer ring (bearing code suffix N2). FAG four-point contact ball bearing axial clearance The basic type of FAG four-point contact ball bearing adopts the standard set of clearance. A larger clearance group (code suffix C3) can also be used when necessary. FAG four-point contact ball bearings cage Most Four point contact ball bearings for FAG use a machined brass solid cage (code suffix MPA). This window cage is guided by the outer ring.
The four-point contact ball bearing whose cage is made of glass fiber reinforced polyamide 66 has a code suffix of TVP. Glass fiber reinforced polyamide cage can be used at a stable temperature of 120°C. If the bearing is lubricated with oil, any additives in the lubricating oil will reduce the life of the cage if the temperature exceeds 100°C. Therefore, the oil change interval must be strictly controlled.
FAG four-point contact ball bearings can run at high speed when the allowed speed is only subject to axial load. For specific data, please consult the Yihe after-sales service department. FAG four-point contact ball bearings heat treatment The operating temperature of Four point contact ball bearings for FAG after heat treatment can reach 150 degrees Celsius. Bearings with outer ring diameters greater than 240mm can maintain external dimensions even when the operating temperature reaches 200 degrees Celsius. However, it should be noted that the operating temperature of the bearing will be limited when the cage material is polyamide.
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