868D

Part Number 868D
System of Measurement Inch
Type Cones
Bearing Part Number 868D-852
, 868D-854
, 868D-854V
, 868D-854X
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Double Row
Seal Type Open
Series 855
Bore Dia 4″
Bore Dia Tolerance +0.001″ to 0
Double Cone Width 5″
Double Cone Width Tolerance +0.003″ to -0.01
Cone Backface ToClear Radius 0.06″
Cone Frontface Backing Diameter 4.57″
Cone Backface Backing Diameter 4.57″
Cage Cone Frontface Clearance -0.11″
Static Radial Load 142000 lbf
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Rating(90 Million Revolutions) 26700 lbf
Dynamic Radial Rating(Two Row 1 Million Revolutions) 179000 lbf
Dynamic Radial Rating(1 Million Revolutions) 103000 lbf
Dynamic Thrust Rating(90 Million Revolutions) 15300 lbf
Dynamic Radial Rating(Two Row 90 Million Revolutions) 46400 lbf
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Standard (Available in C3/C4/C5)
RoHS Compliant
REACH Compliant

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Description

Design Features of 868D Bearing

868D bearing features two tapered roller assemblies combined in a single cone, providing stable support for heavy radial and axial loads. 868D double cone width is 5″. Its bore dia is 4″. This design enhances load distribution, making it ideal for applications requiring precise alignment and durability.

 

What Benefits Can 868D Bearing Provide?

  • High Load Capacity: It supports heavy radial and axial loads, making it suitable for demanding applications.
  • Improved Stability: The dual tapered rollers enhance balance and reduce deflection under load.
  • Durability: Its robust design ensures longer life and less maintenance.
  • Precise Alignment: The cone structure aids in accurate alignment, which reduces wear on machinery.

 

What Can 868D Bearing Be Used for?

  • Automotive: Commonly found in wheel hubs, transmissions, and differentials for supporting heavy loads.
  • Industrial Machinery: Ideal for conveyor systems, gearboxes, and other equipment requiring high load capacity and stability.
  • Double Row Equipment: Used in heavy machinery like excavators and bulldozers to handle demanding conditions.
  • Mining Equipment: Suitable for harsh environments due to its durability and ability to support heavy radial and axial loads.
  • Aerospace: Utilized in landing gear and other components where precision and reliability are crucial.

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