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Four-Row Cylindrical Roller Bearings BC4B 322993 A/HA7

Four-Row Cylindrical Roller Bearings BC4B 322993 A/HA7

The BC4B 322993 A/HA7 is a four-row cylindrical roller bearing with a large 460mm bore and 650mm outer diameter, designed for heavy-duty applications. It handles combined loads with a dynamic radial capacity of 1,757,250 lbf and static radial capacity of 4,117,500 lbf.

Its robust construction includes a chamfered outer ring (3mm) and inner ring (11.5mm), ensuring smooth operation under stress. The bearing works well in temperatures from -30°C to 110°C and can be lubricated with grease or oil.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Ideal for industrial machinery like rolling mills or large gearboxes where high radial loads are common.

Compliant with RoHS and REACH standards, it offers durability and safety in demanding environments. Its four-row design provides extra stability for heavy loads.

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Product Parameters

  • Part Number BC4B 322993 A/HA7
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 460 mm
  • Outer Dia 650 mm
  • Width 460mm
  • Corner Radius/Chamfer Inner Ring(r1,2)(min.) 11.5 mm
  • Chamfer Dimension On The Outer Ring(r3,4)(min.) 3 mm
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Dynamic Radial Load 1757250 lbf
  • Static Radial Load 4117500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
Four-Row Cylindrical Roller Bearings BC4B 322993 A/HA7 dimension drawing
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Features

Performance Features of BC4B 322993 A/HA7 Bearing

BC4B 322993 A/HA7 Bearing is designed for combined load applications, with a dynamic radial load capacity of 1,757,250 lbf.
Its four-row cylindrical roller construction ensures stability and durability in heavy-duty operations.

The bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various industrial environments.
It supports both grease and oil lubrication, offering flexibility in maintenance.

With an outer diameter of 650 mm and a width of 460 mm, BC4B 322993 A/HA7 Bearing is built for large-scale machinery.
The chamfer dimensions on the outer ring (3 mm) facilitate easier installation and alignment.

BC4B 322993 A/HA7 Bearing’s static radial load capacity of 4,117,500 lbf ensures long-term reliability.
Its robust design minimises wear, extending the service life even under demanding conditions.

Application

Industrial Uses of BC4B 322993 A/HA7 Bearing
BC4B 322993 A/HA7 Bearing is commonly used in heavy industrial machinery, such as rolling mills and large gearboxes, where its four-row design handles high radial and axial loads. The metric sizing ensures compatibility with European and Asian equipment standards.

In steel production, BC4B 322993 A/HA7 Bearing supports rolling stands, offering stability under extreme pressure. Its grease or oil lubrication options make it adaptable to different operating conditions.

For mining equipment, BC4B 322993 A/HA7 Bearing’s robust construction ensures reliability in conveyors and crushers. The large bore diameter accommodates heavy shafts, while the chamfered edges reduce stress concentrations.

Automotive vs Aerospace: Applications of BC4B 322993 A/HA7 Bearing
In automotive manufacturing, BC4B 322993 A/HA7 Bearing is used in large presses and forming machines, where precision and durability are key. Its combined load capacity makes it versatile for various stages of production.

Aerospace applications benefit from BC4B 322993 A/HA7 Bearing’s ability to withstand high loads in landing gear systems. The temperature range ensures performance in diverse environmental conditions.

Built for Heavy-Duty Use: BC4B 322993 A/HA7 Bearing
BC4B 322993 A/HA7 Bearing excels in wind turbine gearboxes, where its cylindrical rollers distribute loads evenly. The large dimensions and high load ratings make it suitable for renewable energy applications.

In marine propulsion systems, BC4B 322993 A/HA7 Bearing’s corrosion-resistant materials and lubrication options ensure long service life. The static radial load capacity provides reliability in demanding maritime environments.

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