Long Life Housed Bearing Unit UCP 204
Dec 09, 2025
What is a Pillow Block Housing Unit UCP204?
UCP204 bearing is a type of insert ball bearing with a housing, which is composed of an insert ball bearing and a cast iron or ductil iron bearing housing. It has automatic centering function and allows for ± 2 ° axis deviation compensation. It is suitable for heavy load and vibration conditions.
Characteristics of UCP204
- Automatic centering design: The outer ring surface of the bearing is spherical and forms a sliding fit with the inner hole of the bearing seat, which can automatically compensate for the coaxiality deviation between the shaft and the seat hole.
- The fixing method is simple: the shaft end is fixed by a top screw, eccentric sleeve or clamping sleeve, and the installation is convenient.
- Sealing structure: the insert bearings usually adopt a double-sided sealing design, which can prevent grease leakage and pollutant invasion, thereby achieving maintenance free or low maintenance.
- Material and Load Capacity: The bearing is made of chrome steel material (GCr15) with high wear resistance, with a rated dynamic load of 12800N and a static load of 6600N, it is suitable for standard, medium, and heavy loads.
Main technical parameters
- Inner diameter: 20mm (tolerance -0.009mm).
- Weight: Approximately 0.65-0.7kg, it is affected by the material of the housing (cast iron,ductile iron or stainless steel).
- Installation dimensions: DownLoad
- Centre height (pillow block):33.3mm
- Housing overall width:34mm
- Bore type:Cylindrical
- Lubricant:Grease
Industrial application scenarios
UCP204 bearings are widely used in heavy-duty industrial equipment, such as:
- Agricultural machinery: this kind of bearings are commonly used in components such as seeder sowing shafts and harvester transmission boxes, capable of adapting to the vibration environment in field operations.
- Metal processing equipment: applied to cutting machine feeding mechanism, punch crankshaft support position and other scenarios, suitable for working conditions with high requirements for coaxiality.
- Packaging Machinery: Installed on the hot roller bearing seat of the sealing machine, the rotating platform of the filling machine, etc., suitable for fitting environments with a small vibration range.
- Construction machinery, such as excavators, loaders, bulldozers, etc., can withstand vibrations and impacts under heavy loads and complex working conditions due to their strong load capacity and good wear resistance.
- Conveyor system: They are used for conveyor belt systems, bucket elevators, etc., with a compact structure and good sealing, it can prevent pollutants from entering.
- Other industrial fields: including mining machinery, metallurgical equipment, textile machinery, chemical machinery, food processing machinery, motors, and automotive components (such as engines, transmissions), suitable for high temperature, high speed, or heavy-duty environments
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