Common Terms and Definitions of Rolling Bearings (6)
3. Bearing Mounting and Sub-Components
1. Paired Mounting
Paired mounting refers to the installation of two rolling bearings on the same axis, with their outer or inner rings facing each other. These bearings can be considered as a single unit during operation. The arrangement can be either back-to-back, face-to-face, or in series.2. Combined Mounting
Combined mounting involves the installation of three or more rolling bearings on the same axis, with their end faces aligned. They function as a single unit during operation.3. Back-to-Back Arrangement
In this configuration, two sets of rolling bearings are placed adjacent to each other, with their outer rings on opposite sides of the device.4. Face-to-Face Arrangement
This is when two sets of rolling bearings are installed next to each other, with their outer rings facing each other on the same axis.5. Tandem Arrangement
Tandem mounting involves placing two or more rolling bearings in line, with the outer ring of one bearing facing the front of the next.6. Paired Matched Bearings
These are two rolling bearings that are selected or manufactured based on specific characteristics, such as preload or clearance, and are installed together according to established rules.7. Stacked Matched Bearings
This refers to three or more rolling bearings that are matched based on their performance characteristics—often by preload or clearance—and are assembled together following specific guidelines.Sub-Units
1. Sub-Unit
A sub-unit is a component of a bearing that can be removed independently, such as a bearing ring, cage, or rolling element. It may also refer to a ball or roller assembly that can be separated from the main bearing.2. Interchangeable Sub-Unit
An interchangeable sub-unit is a part that can be replaced with another of the same type without affecting the overall function of the bearing.3. Inner Ring, Cage, and Ball (Roller) Assembly
This sub-assembly consists of the inner ring, rolling elements (balls or rollers), and the cage. It is often used in ball or roller bearings.4. Cone Assembly (Conical Inner Ring Assembly)
This is a sub-assembly that includes a conical inner ring, tapered rollers, and a cage, commonly found in tapered roller bearings.5. Outer Ring, Cage, and Ball (Roller) Assembly
This sub-assembly consists of the outer ring, rolling elements, and the cage, typically used in radial or thrust bearings.6. Needle Roller Bearing Without Inner Ring
This is a sub-assembly that includes an outer ring and full-loaded needle rollers or a combination of needle rollers and a cage. It may also include additional components like a retainer or a housing. For example, "full needle roller bearing with cage, stamped outer ring, no inner ring."Rolling Element and Cage Assembly
This is a sub-assembly that includes the rolling elements and the cage. It is commonly used in bearings where the cage holds the rolling elements in place.Ball (Roller) and Cage Assembly
This refers to a sub-assembly made up of the rolling elements (balls or rollers) and the cage. It is typically used in ball or roller bearings.Ball and Cage Radial (Thrust) Assembly
This is a sub-assembly specifically designed for radial or thrust ball bearings, consisting of balls and a cage.Roller and Cage Radial (Thrust) Assembly
This is a sub-assembly used in radial or thrust roller bearings, including cylindrical, tapered, or needle rollers along with a cage. For example, "needle and cage thrust assembly" or "cylindrical roller and cage radial assembly."Recommended for Friends: Comments | Close Window
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