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Home Product 3*8*4 Needle Roller Bearing, High-Speed High-Load Capacity, Precision Components for Robotics & Automotive
3*8*4 (high quality grade)

3*8*4 Needle Roller Bearing, High-Speed High-Load Capacity, Precision Components for Robotics & Automotive

High Quality 3*8*4 Bearing
3*8*4 Deep Groove Bearing
Precision 3*8*4 Bearing
3*8*4 (high quality grade)
High Quality 3*8*4 Bearing designed for precision performance, featuring 3*8*4 Deep Groove Bearing structure to ensure smooth operation and durability. Precision 3*8*4 Bearing engineered for industrial machinery, electric motors, and high-speed applications with reliable load capacity.
Categories:Power Transmission
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Product Description

The High Quality 3×8×4 Bearing is a precision-engineered 3×8×4 Deep Groove Bearing designed for high-performance applications in automotive, industrial machinery, and electric motors. It features a compact 3×8×4 mm dimension (inner×outer×width) with seamless integration into assemblies, requiring no external input/output connectivity or communication interfaces. Engineered to operate within a temperature range of -30°C to +120°C and withstand radial loads up to 1.2 kN, it ensures minimal friction and extended service life. This Precision 3×8×4 Bearing excels in low-noise environments, supports high rotational speeds (up to 18,000 rpm), and offers corrosion resistance through advanced steel alloy construction. While it lacks integrated batteries or displays, its maintenance-free design and compact footprint make it ideal for space-constrained systems. Key advantages include exceptional durability, energy efficiency, and precision alignment for critical motion control.
Parameter Specification
Model Number 3x8x4 High Quality Bearing
Bearing Type Deep Groove Ball Bearing
Inner Diameter (ID) 3 mm
Outer Diameter (OD) 8 mm
Width 4 mm
Material Chrome Steel (GCr15)
Precision Class ABEC-1 (P0)
Dynamic Load Rating 1,250 N
Static Load Rating 535 N
Max Rotational Speed 22,000 RPM (Grease)
Operating Temperature -30°C to +120°C
Product Variant Precision 3x8x4 Bearing with ZZ Shields
Lubrication Precision Grease-filled
Radial Clearance C0 Standard Group
Application Focus High-speed instruments, Precision machinery
question:Why is the shipping cost so high? Are there cheaper delivery options available?
answer:Shipping costs vary by service and destination. We offer budget options like sea or land freight for non-urgent shipments.
question:Can I schedule a self-pickup with the official courier?
answer:Yes, you can arrange self-pickup. Contact our support team to coordinate timing and provide necessary documentation in advance.
question:Does the company have a professional product selection engineering team?
answer:Yes, our team includes experienced engineers and industry experts who rigorously evaluate products for quality and compliance.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why is the shipping cost so high? Are there cheaper delivery options available?
answer:Shipping costs vary by service and destination. We offer budget options like sea or land freight for non-urgent shipments.
question:Can I schedule a self-pickup with the official courier?
answer:Yes, you can arrange self-pickup. Contact our support team to coordinate timing and provide necessary documentation in advance.
question:Does the company have a professional product selection engineering team?
answer:Yes, our team includes experienced engineers and industry experts who rigorously evaluate products for quality and compliance.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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