GQZ NJ414 Single Row Cylindrical Roller Bearing 70×180×42mm With One Rib Inner Ring For Heavy Industry Equipment

NJ414 is single row cylindrical roller bearing with single rib on inner ring, separable structure. It carries ultra-heavy radial load and slight one-way axial load, widely applied in heavy gearboxes, large motors, mining and metallurgy equipment under continuous heavy-load operation.

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• Model: NJ414
• Size: d70mm × D180mm × B42mm
• Structure: Inner ring with single rib, separable outer ring, steel stamping cage
• Material: GCr15 bearing steel
• Full load data and CAD drawings available on request

• Separable inner and outer ring for easy installation and disassembly
• Large roller arrangement delivers outstanding heavy radial load capacity
• Single rib structure bears minor unidirectional axial force
• Low friction, stable rotation for long-hour heavy-duty continuous work
• Standard metric size fully interchangeable with all well-known brands
• Custom clearance, high-temperature grease and OEM laser marking supported

👉 Extend service life of heavy industrial transmission equipment

• Heavy-duty industrial gear reducers
• Large-size electric driving motors
• Mining crushing and conveying machinery
• Metallurgy rolling auxiliary equipment
• Construction heavy machinery speed change assemblies

• 25+ years professional cylindrical roller bearing manufacturer
• Exported to over 50 countries worldwide
• Strict hardness, clearance and vibration inspection before shipment
• 24-hour fast technical reply and model selection support
• Stable bulk supply for industrial machinery distributors

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

• GCr15 steel raw material metallurgy & hardness inspection
• Precision superfinishing grinding for raceways and rollers
• Complete quenching & tempering heat stabilization
• Heavy load rotation and vibration aging testing
• Full dimensional tolerance inspection

Looking for heavy load NJ414 cylindrical roller bearings?

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• Fast quotation within 24 hours
• Clearance & lubrication matching advice
• Custom precision grade options
• Competitive factory price

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