GQZ 4T-JHM807045 Metric Tapered Roller Bearing Inner Cone, Matched With JHM807012 Outer Cup For Auto Differentials And Heavy Gearboxes

4T-JHM807045 is the separable inner cone assembly of metric single-row tapered roller bearing set 4T-JHM807045/JHM807012, paired with JHM807012 outer cup. It bears combined heavy radial and unidirectional axial loads, widely used for vehicle differential pinion shafts, heavy truck axles and construction machinery high-load gearboxes.

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Full technical datasheets and CAD drawings available upon request

• Separable cone & cup design allows single-piece replacement, cutting spare parts inventory cost
• Logarithmic superfinished roller surface reduces friction heat, lowers running vibration & noise
• High load rating withstands heavy torque and impact for automotive differential operation
• Standard metric size fully interchangeable with NTN/Timken original 4T-JHM807045
• Custom P5/P6 precision grade, EP heavy-duty grease and OEM laser marking supported

Helps reduce maintenance cost and improve machine performance

This bearing cone is widely used in:

• Passenger car & heavy truck differential pinion assemblies
• Construction machinery heavy-duty transmission gearboxes
• Large agricultural tractor and harvester power axles
• Mining transport vehicle wheel hub transmission parts
• Industrial metallurgy heavy-load speed reducers

Ideal heavy-duty metric tapered roller cone solution for vehicle & industrial transmission

• 25+ years experience manufacturing metric heavy tapered roller bearings
• Exported to over 50 countries worldwide
• Strict hardness, dimensional tolerance and matching clearance inspection before shipment
• Fast response within 24 hours, professional assembly technical support
• Stable bulk supply for auto spare parts and machinery distributors

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

• GCr15 bearing steel raw material metallurgy & hardness inspection
• Precision tapered raceway superfinishing grinding process
• Stable quenching & tempering heat treatment
• Roller contact smoothness and high-speed noise testing
• Matching tolerance test with standard JHM807012 cup before delivery

Ensuring stable load and rotation performance for every bearing cone

Looking for replacement tapered roller inner cone 4T-JHM807045 matched with JHM807012?

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• Fast quotation within 24 hours
• Engineer preload & assembly guidance
• Custom precision & lubrication options
• Competitive factory price

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