71450-902A7 TDO Double Row Separable Imperial Tapered Roller Bearing 114.3x190.5x106.36mm Heavy Industrial Equipment

The 71450-902A7 TDO double-row tapered roller bearing adopts double outer ring integrated structure, designed for heavy-load industrial axles and engineering equipment, bearing large combined radial and bidirectional axial impact load.

It is widely used in mining vehicles, construction machinery and heavy transport axles where strong load capacity and stable anti-vibration performance are required.

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• Integrated double outer ring TDO structure, two rows of rollers share one outer cup, simplify assembly and save installation space
• Double-row roller layout greatly improves composite radial & bidirectional axial load capacity, excellent for heavy impact working conditions
• Crowned tapered rollers reduce edge stress, stable operation under long-term bumpy vibration
• Standard inch ABMA size, fully interchangeable with global heavy machinery aftermarket replacement parts
• Heat-treated high hardness bearing steel enhances wear resistance and prolongs service life of heavy transport equipment
• Custom clearance grades and brass cages can be produced to match high-temperature heavy-duty scenarios

👉 Reduces frequent bearing replacement and cuts overall maintenance cost for heavy engineering equipment

This double-row TDO heavy load bearing is widely used in:

• Mining transport vehicle and heavy dump truck axle assemblies
• Large construction machinery and port heavy handling equipment transmission shafts
• Agriculture large tractors and heavy farm machinery drive axles
• Industrial heavy-duty speed reducers and metallurgical rotary supporting parts

👉 Ideal for customers looking for reliable double-row heavy-load tapered bearing solutions

• 25+ years experience in imperial double row TDO tapered roller bearing manufacturing
• Exported to many countries worldwide
• Rich experience in OEM bulk orders for heavy industrial axle bearings
• Strict full-process load fatigue and rotation performance inspection before shipment
• Fast professional technical response within 24 hours
• Stable mass supply for long-term mining and construction machinery factory cooperation

👉 We focus on stable heavy-load anti-impact performance and reliable long-term partnership

• GCr15 bearing steel raw material composition and hardness inspection
• Precision grinding for double outer raceway and tapered rollers
• Standard quenching & tempering heat treatment control
• Composite radial-axial heavy load fatigue test and clearance grouping detection
• Full dimensional final inspection before delivery

👉 Ensuring consistent smooth heavy-load rotation performance for every bearing assembly

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Looking for a reliable TDO double row inch heavy load tapered roller bearing supplier?

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• Fast quotation within 24 hours
• Professional engineer technical support
• Custom clearance, cage and precision solution suggestions
• Competitive factory wholesale price

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