GQZ 535191/574613 TQO Four Row Tapered Roller Bearing 300×424×310mm For Rolling Mill Roll Neck Appliions

535191/574613 is TQO structure four row tapered roller bearing, widely used for metallurgical rolling mill roll neck. Complete set consists of two double cones, one double outer cup, single outer cup plus inner & outer spacer components.

It can withstand extremely heavy combined radial load and bidirectional axial load simultaneously. Built-in spacer with lubriion through-holes, ensures uniform lubricant distribution between roller rows. Strict serial matched assembly, cannot randomly mix spare parts. Open construction supports continuous circulating oil lubriion. Mainly applied on hot rolling mills, cold rolling mills, heavy metallurgical machinery and low-speed high-load industrial rotary equipment.

Formal quotation will be sent within 24 hours upon your inquiry.

Model:

535191/574613

Dimensions:

d300 mm, D424 mm, overall width B310 mm

Net weight:

approx 140 kg

Structure:

TQO four row tapered roller bearing

Material:

GCr15 bearing steel, machined brass cage

Assembly feature:

Serial numbered matched complete set; inner/outer spacers included

Basic dynamic load Cr:

4150 kN

Basic static load C0r:

8800 kN

Lubriion recommendation:

Circulating oil lubriion

Additional info:

Complete dimension drawings and load data available on request.

1. Four-row roller layout delivers ultra-high load capacity, ideal for rolling mill heavy impact working conditions
2. TQO integrated matched assembly, pre-grouped clearance, guarantees stable running without on-site adjustment
3. Spacer with lubriion channels improves oil flow, reduces roller friction and thermal accumulation
4. Simultaneously supports heavy radial and bidirectional axial load, simplifies overall mechanical structure
5. Strict serial marking for each component, prevents incorrect assembly
6. Customizable: P5/P4 precision grade, OEM laser marking, extreme pressure industrial lubricant

• Hot rolling & cold rolling mill roll neck main bearing positions
• Heavy metallurgical continuous casting and steel processing equipment
• Large mineral processing heavy-duty rotary machinery
• Low-speed high-load heavy engineering transmission assemblies
• Industrial equipment requiring integrated large load four row bearing solution

• 25 years professional bearing manufacturer, products exported globally.
• Strict raw material heat treatment and hardness inspection.
• Complete four-row bearing matched assembly process with serial number control.
• 24-hour technical support for installation, clearance and lubriion guidance.
• Ample stock for machinery distributors.
• Precise dimensions and stable service performance.

• GCr15 raw material quenching & tempering hardness inspection
• Precision superfinishing for tapered rollers and all raceway surfaces
• Full set clearance grouping and serial matching recording
• Surface roughness, geometry and rotational performance testing

If you need 535191/574613 four row tapered roller bearings:

Send inquiry to obtain below supports:

• Quick quotation within 24 hours
• Spare separate component supply consultation
• Professional installation and lubriion technical suggestion
• Competitive factory direct price
• Contact our sales team for full datasheets and formal offer.