GQZ 90334/90744 Inch Tapered Roller Bearing 85.725×188.912×57.15mm Separable Cone Cup Heavy Industrial Bearing

The 90334/90744 single row inch type tapered roller bearing includes separable inner cone 90334 and outer cup 90744. It is designed for heavy-duty machinery, capable of bearing combined radial load and one-way axial thrust load.

It is widely used in mining equipment, heavy construction machinery and industrial reducers that need adjustable installation clearance.

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👉 Full technical data and drawings available upon request

• Imperial inch size fits American standard heavy machinery replacement requirements
• Separable cone and cup enable separate assembly and precise clearance adjustment
• Optimized roller geometry withstands heavy combined radial and unidirectional axial loads
• Stamped steel cage keeps stable operation under continuous vibration and impact loads
• Two bearings arranged oppositely can bear bidirectional axial force
• Custom design available (special anti-rust coating, high temperature grease, OEM laser marking)

👉 Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• Mining crushers, conveyor rollers and mineral screening equipment
• Heavy construction machinery, large truck transmission and axle assemblies
• Cement industry equipment, metallurgical auxiliary rotary machinery
• Large industrial gear reducers and bulk material handling machinery

👉 Ideal for customers looking for reliable and long-life bearing solutions

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM inch series tapered roller bearing custom projects
• Strict load rating & dimensional inspection before shipment
• Fast response within 24 hours
• Stable supply for long-term cooperation

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

• Raw material hardness inspection
• Precision grinding & superfinishing raceway machining
• Heat treatment metallurgy control
• Load capacity, contact angle and rotation smoothness testing
• Final dimensional & appearance inspection before delivery

👉 Ensuring consistent performance for every bearing

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

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