Needle Roller Bearings

Four-Row Cylindrical Roller Bearings for Rolling Mills

BWK four-row cylindrical roller bearings are designed for work rolls and backup rolls in hot rolling mills, cold rolling mills, bar mills, wire mills and other metallurgical equipment.

The four-row arrangement provides high radial load capacity and high rigidity within a compact radial section. The separable ring and roller assembly makes inspection, cleaning, mounting and replacement more convenient during roll changes.

Key Advantages

1.High radial load capacity for heavy rolling loads

2.High rigidity and stable running accuracy

3.Separable structure for easier mounting and maintenance

4.Suitable for frequent roll replacement

5.Available with brass cages, special clearances and precision grades

Available Series and Structures

Standard and customized designs are available according to bearing number, dimensions, drawing, roll-neck structure and operating conditions.

Model and Dimension Table

Popular models: FC3652168, FC4058192, FC4462192, FC4666206, FC5274220, FC5678220, FC5882240 and FC6084240.

Additional FC, FCD and FCDP models are available upon request. Final selection should be confirmed using the bearing number, dimensions, drawing and rolling-mill operating conditions.

Applications

• Hot strip and plate rolling mills

• Cold rolling mills

• Bar and wire rod mills

• Section and profile rolling mills

• Steel, aluminum and non-ferrous metal rolling equipment

• Work rolls, intermediate rolls and backup-roll assemblies

Selection Information

For accurate selection, please provide the existing bearing number, d × D × B dimensions, drawing, roll speed, radial load, lubrication method, required clearance and precision grade.

Packaging and Supply

• BWK branded or neutral protective packaging

• Moisture-proof wrapping and reinforced wooden cases for large bearings

• OEM marking and customized packaging available

• Single-piece and batch-order supply supported

Request a Quote

Send us the bearing number, dimensions, drawing, sample photo or rolling-mill application. BWK will help confirm the structure, clearance, precision and replacement model.