Bearings for Hot Rolling Mills

Operating Conditions

Hot Rolling Mill Operating Conditions

High Temperature & Thermal Variation

Hot rolling stands are exposed to high process temperatures and repeated thermal changes that can affect bearing clearance, lubricant performance and dimensional stability.

Cooling Water, Scale & Contamination

Cooling water, oxide scale, dust and process debris can enter the bearing environment and shorten service life.

Heavy Radial & Combined Loads

Rolling forces generate high radial loads, while some positions also carry axial or combined loads.

Shock Loads & Vibration

Strip entry, rolling impact, cobbles and process fluctuation can produce severe shock loads and vibration.

Continuous Operation & Limited Maintenance

Hot rolling lines often operate continuously, with short maintenance windows and demanding production targets.

Products

Recommended Bearing Types

Four-Row Cylindrical Roller Bearings

High radial load capacity and separable design for hot mill work roll, backup roll and roll neck positions.

Four-Row Tapered Roller Bearings

Combined radial and axial load support for work roll and roll neck applications under changing rolling loads.

Backing Bearings

High-rigidity support for multi-roll or special rolling arrangements where compact support and accurate rotation are required.

Spherical Roller Bearings
Self-aligning support for heavy loads, shaft deflection, vibration and mounting misalignment in auxiliary positions.

Thrust Bearings

Axial support solutions for roll systems and related hot rolling mill equipment.

Selection

Selection Information

Information Customers Can Provide

Hot rolling mill type: hot strip, plate, roughing, finishing or other mill
Mill stand and roll position
Existing bearing brand and number
ID / OD / width
Radial load, axial load and speed
Operating and bearing temperature
Cooling water, scale and contamination conditions
Lubrication method and maintenance interval
Quantity
2D / 3D drawing or equipment photo

CHG Assessable Content

Suitable bearing type and internal structure
Size and adjacent mounting arrangement
Material and heat treatment direction
Precision class, internal clearance or preload
Cage, sealing and lubrication requirements
Temperature and contamination considerations
Replacement compatibility
Inspection documents and delivery proposal

ADVANTAGES

Why Choose CHG

Large Size Capability

Rolling mill bearings with bore diameter from 100mm to 1600mm for large hot rolling equipment.

Hot Mill Application Review

Solutions evaluated according to mill stand, roll position, load, speed, temperature, cooling water, scale and lubrication.

Custom Manufacturing

Custom support by bearing number, drawing, dimensions, sample information or replacement requirements.

Quality & Inspection Support

Material certificates, dimensional inspection reports, product photos and packing photos can be provided according to order requirements.

Bearings for Steel Rolling Mills

Complete bearing solutions for steel hot rolling, cold rolling, plate, bar, wire rod and section mills.

Bearings for Cold Rolling Mills

Solutions focused on precision, rigidity, controlled runout and stable operation.

Bearings for Aluminum Rolling Mills

Dedicated solutions for aluminum hot rolling, cold rolling, strip and foil lines.

Work Roll Bearings

Detailed solutions for work roll positions in roughing and finishing stands.

Backup Roll Bearings
Heavy-load and large-size solutions for backup roll positions.

Talk to an expert

Share your requirements and we’ll help you find the right solution for your business.

Get a quick quote

We typically confirm within 24 hours.

FAQ

Bearings for Hot Rolling Mills FAQ

Please provide the mill type, mill stand, roll position, bearing number, dimensions, load, speed, operating temperature, lubrication, quantity and drawing if available.

CHG can review work roll, backup roll, intermediate roll, roll neck, axial support and related auxiliary bearing positions.

These conditions influence internal clearance, sealing, lubrication, material selection and maintenance planning. Please provide the actual operating environment for review.

The bore diameter range is generally from 100mm to 1600mm. Custom dimensions can be reviewed according to drawings and application requirements.

Yes. Please send the original brand, bearing number, dimensions, drawing and operating information for compatibility review.

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