31328 X/DF

Part Number 31328 X/DF
System of Measurement Metric
Type Bearing
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Matched
Seal Type Open
Cups Type Standard
Bore Dia 140 mm
Bore Dia Tolerance -0.025mm to 0
Outer Dia 300 mm
Outer Dia Tolerance -0.035mm to 0
Total Width 154 mm
Total Width Tolerance +0.35mm to -0.25mm
Width Of Inner Rings 140 mm
Width Of Inner Rings Tolerance -0.2mm to 0
Width Of Lubrication Groove 20 mm
Diameter Of Lubrication Hole 15 mm
Chamfer Dimension Inner Ring min.1.5 mm
Chamfer Dimension Outer Ring min.4 mm
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Abutment Diameter Shaft 169 mm
Abutment Diameter Housing 169 mm
Fillet Radius max.5 mm
Reference Speed 1200 r/min
Limiting Speed 2200 r/min
Dynamic Radial Load 284400 lbf
Static Radial Load 405000 lbf
Fatigue Load Limit 40500 lbf
Lubrication Required
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Standard (Available in C3/C4/C5)
RoHS Compliant
REACH Compliant
Weight 108.25 lb

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Design Features of 31328 X/DF Bearing

31328 X/DF features pairs of tapered rollers arranged to provide optimized load distribution, enhancing performance in both radial and axial directions. 31328 X/DF outer dia is 300 mm. Its bore dia is 140 mm. Its design allows for precise adjustment of internal clearance and preload, ensuring improved stability and reliability in high-load applications.

 

What Benefits Can 31328 X/DF Bearing Provide?

  • Enhanced Load Capacity: Their design allows for improved distribution of loads, enabling them to handle higher radial and axial forces effectively.
  • Improved Stability: The precise matching of the bearings ensures consistent performance and stability under varying loads and operating conditions.
  • Adjustable Internal Clearance: Users can customize the internal clearance and preload to suit specific application requirements, optimizing performance.
  • Reduced Friction: The tapered roller design minimizes friction between moving parts, leading to smoother operation and extended service life.
  • Versatile Applications: Suitable for a wide range of applications, from automotive to industrial machinery, due to their adaptability to different load and speed conditions.

 

What Can 31328 X/DF Bearing Be Used for?

  • Automotive: Utilized in wheel hubs, differentials, and transmission systems to support heavy loads and provide accurate alignment.
  • Industrial Machinery: Found in gearboxes, conveyors, and pumps, where they manage both radial and axial loads effectively.
  • Aerospace: Employed in aircraft landing gear and other critical components that require high reliability and performance under heavy loads.
  • Heavy Equipment: Used in construction and mining machinery to ensure stability and support in harsh operating conditions.
  • Railway: Applied in train axle boxes to handle the substantial loads and forces experienced during operation.

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