GQZ JM734449/JM734410 Single Row Tapered Roller Bearing 170×240×46mm For Heavy Truck Axles And Mining Equipment

JM734449/JM734410 is heavy-duty single row metric tapered roller bearing, separable cone (JM734449) and cup (JM734410). It bears huge combined radial and unidirectional axial loads, widely applied to heavy truck drive axles, large construction machinery, mining vehicle wheel hubs and industrial heavy reducers Timken.

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• Model: JM734449/JM734410
• Size: d170mm × D240mm × T46mm
• Cone width B:44.5mm, Cup width C:37mm
• Dynamic load Cr:443kN, Static load C0r:710kN
• Limiting speed: Grease 1400rpm, Oil 1800rpm
• Material: GCr15 carburized bearing steel
• Structure: Single row tapered roller, stamped steel cage

👉 Full dimension CAD and load datasheets available on request

• High load capacity design withstands heavy torque and shock impact for heavy vehicles
• Separable inner & outer ring for easy single-piece replacement, lower maintenance cost
• Optimized logarithmic roller superfinish reduces friction heat and running noise
• Stable rigid performance under low-speed heavy-load continuous operation
• Fully interchangeable with Timken/NTN original JM734449/JM734410
• Custom P6/P5 precision, EP heavy-duty grease and OEM laser marking supported

👉 Extend service life of heavy transport and mining equipment

• Heavy-duty truck & semi-trailer drive axle assemblies
• Large excavator, loader construction machinery transmission
• Mining transport vehicle wheel hub components
• Metallurgy heavy-duty speed reducers
• Large agricultural harvester power output axles

• 25+ years production of large-size heavy tapered roller bearings
• Exported to over 50 countries worldwide
• Strict hardness, load rating and matching clearance inspection before delivery
• 24-hour technical support for axle assembly preload guidance
• Stable bulk supply for heavy machinery distributors

👉 We focus on quality, reliability, and long-term partnership

• GCr15 steel raw material metallurgy & hardness inspection
• Precision superfinishing grinding for tapered raceway
• Complete quenching & tempering heat stabilization
• Matching clearance test of cone and cup
• High-speed vibration and noise testing for finished bearings

Looking for heavy load JM734449/JM734410 tapered roller bearings?

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• Fast quotation within 24 hours
• Engineer installation & preload suggestions
• Custom precision and lubrication options
• Competitive factory price

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