GQZ NA6914 Needle Roller Bearing 70×100×54mm Double‑Row With Inner Ring Heavy Radial Load Needle Bearing

The NA6914 double‑row needle roller bearing comes with precision machined inner ring. Double‑row needle roller arrangement greatly improves radial load capacity. Compact radial section saves installation space. Mainly bears radial load, only small incidental axial force is allowed, suitable for low‑medium speed heavy‑load compact mechanical conditions.

It is widely used in gearboxes, printing machinery and construction machinery compact transmission assemblies.

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• Double‑row needle roller design achieves excellent heavy radial load‑bearing performance
• Complete inner‑ring structure, no need to separately match adapter inner ring
• Ultra‑thin radial cross‑section saves housing space for compact equipment layout
• Robust structure adapts to shock and vibration low‑medium‑speed working environment
• Standard metric dimensions support direct interchange and aftermarket replacement
• Custom design available (sealed version, special grease, OEM laser marking)

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This needle roller bearing is widely used in:

• Industrial compact gearbox and reducer transmission shaft assemblies
• Printing machinery, textile large‑roller equipment and packaging production lines
• Engineering machinery, material‑handling and heavy‑duty auxiliary transmission units
• Low‑speed heavy‑load mechanical devices requiring double‑row needle roller bearing

???? Ideal for customers looking for reliable and long‑life bearing solutions

• 25+ years experience in industrial needle roller bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM NA69 series needle roller bearing custom projects
• Strict dimensional tolerance, hardness and rotation performance inspection before shipment
• Fast response within 24 hours
• Stable supply for long‑term cooperation

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• Raw material hardness inspection
• Precision grinding & superfinishing raceway machining
• Heat treatment metallurgy control
• Radial clearance testing, needle roller flexibility and rotation smoothness inspection
• Final dimensional & appearance inspection before delivery

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• Technical support from engineers
• Custom needle roller bearing matching solution suggestions
• Competitive factory price

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