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FC80110300A Cylindrical Roller Bearing

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FC80110300A Technical Specifications

Bearing Type Multi Row Cylindrical Roller Bearings
Bore Diameter(d) 400mm
Outer Diameter (D) 550mm
Total Inner Assembly Width (B) 300mm
Outer Ring Width (C) 300mm
Dynamic Load Rating (Cr) 4640kN
Static Load Rating (Cor) 5450kN
Limiting Speed (Grease)
Limiting Speed (Oil)
Weight 225Kg
Material High-carbon chromium bearing steel (GCr15 / 52100 equivalent)
Cage Type Precision-machined brass cage
Precision Rating P0 / Normal grade
Clearance Normal clearance (CN)

Product Description

FC80110300A is a Four-Row Cylindrical Roller Bearings with dimensions of 400×550×300 mm. It is engineered to accommodate extremely high radial loads and is widely used in large rolling mills, steel production lines, heavy metallurgical equipment, and other ultra-heavy-duty industrial machinery.

As a large-size rolling mill bearing, this model is designed for demanding operating conditions involving heavy loads, shock loads, and long production cycles. Its robust internal structure helps improve equipment reliability and service life.

enhanced internal design for improved load carrying capacity

Key Features

  • FC type four-row cylindrical roller bearing designed for rolling mill roll neck applications.
  • Four-row roller arrangement provides exceptionally high radial load carrying capacity.
  • Separable design allows convenient mounting, dismounting, and maintenance.
  • High rigidity construction helps maintain rolling accuracy under heavy operating loads.
  • Optimized for high-speed rolling mill operation with reduced friction and heat generation.
  • Suitable for medium-to-large rolling mill stands operating under continuous production conditions.
  • Large-size bearing configuration developed for heavy plate mills, hot strip mills, and other ultra-heavy rolling equipment.
  • Enhanced structural rigidity improves resistance to shock loads and rolling force fluctuations.
  • Designed for demanding steel production environments requiring maximum reliability and service life.
  • enhanced internal design for improved load carrying capacity.

Applications

  • Rolling mill work roll positions
  • Rolling mill backup roll positions
  • Steel plant rolling equipment
  • Metallurgical production machinery
  • Continuous rolling mill stands
  • Section mills and bar mills
  • Heavy-duty steel processing lines
  • Hot strip mills
  • Plate mills
  • Blooming and slabbing mills
  • Large-scale metallurgical equipment

Can FC80110300A be customized?

Yes. OEM customization is available for FC80110300A, including internal clearance adjustment, cage design optimization, material upgrades, heat treatment, and application-specific modifications.

What do the suffixes in FC80110300A indicate?

enhanced internal design for improved load carrying capacity

What is the lead time for FC80110300A bearing?

Lead time for large-size variants (≥400 mm bore) is typically 25–40 days, depending on production scheduling and heat-treatment requirements.

Delivery & Service

Delivery Time

In-stock items: 3–5 working days; Bulk orders: 7–15 working days.

Shipping

Ocean Freight / Land Transport

Warranty

12-month warranty, extendable to 18 months.

Loading Port

Dalian Port or other nominated port

Packing

Export packing: tube + box + carton + wooden case

Order

Mixed models & small orders welcome

Image for reference only.

Multi Rows Cylindrical Roller Bearings
Four-row Cylindrical Roller Bearing
FC Bearing Dimension Diagram

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