GQZ 3386 Inch Tapered Roller Bearing Inner Cone, Matched With 3320 Outer Cup For Truck, Trailer And Agricultural Wheel Hub Axles

3386 is separable inner cone of inch tapered roller bearing set 3386/3320, matched with 3320 outer cup. It bears combined radial and unidirectional axial loads, widely used on heavy truck, trailer and tractor wheel hubs with frequent impact loads.

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Model: 3386 (Inner Cone Only)

Matching Cup: 3320

Inner bore ID: 38.1mm

Assembly total width T: 21.433mm

Structure: Single row tapered rollers, stamped steel cage, separable cone unit

Material: GCr15 bearing steel

Full technical data and drawings available upon request

• Separable cone design allows single-piece replacement to cut maintenance expense
• Optimized logarithmic roller surface lowers friction and resists vehicle bump shock
• Precision superfinished raceway ensures low noise and long service life for wheel axles
• Standard inch dimension perfectly fits 3320 cup for direct assembly replacement
• Custom precision grade, heavy-duty EP grease and OEM laser marking available

Helps reduce maintenance cost and improve machine performance

This bearing cone is widely used in:

• Heavy truck & semi-trailer wheel hub assemblies
• Farm tractor and harvester axle repair replacement
• Light construction transport vehicle wheel ends
• Small off-road mining transport machinery
• Industrial heavy-duty reduction gearbox transmission shafts

Ideal for customers looking for reliable heavy-load tapered roller cone solutions

• 25+ years experience in inch tapered roller bearing manufacturing
• Exported to 50+ countries worldwide
• Strict dimensional matching and hardness inspection before shipment
• Fast response within 24 hours
• Stable bulk supply for vehicle spare parts distributors

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

• GCr15 raw material metallurgy & hardness inspection
• Precision tapered raceway superfinishing grinding process
• Stable quenching & tempering heat treatment
• Roller contact smoothness and noise testing
• Matching tolerance test with standard 3320 cup before delivery

Ensuring consistent matching performance for every bearing cone

Looking for replacement tapered roller cone 3386 matched with 3320?

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• Fast quotation within 24 hours
• Technical support from engineers
• Custom solution suggestions
• Competitive factory price

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