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Home Product W 637/3-2Z Shielded Miniature Deep Groove Ball Bearing High Speed Precision Low Noise Robotics Medical
W 637/3-2Z(OD3,ID6)

W 637/3-2Z Shielded Miniature Deep Groove Ball Bearing High Speed Precision Low Noise Robotics Medical

W 637/3-2Z bearing
Thin section bearing 3mm
2Z shielded miniature bearing
W 637/3-2Z
W 637/3-2Z bearing is a thin section bearing with 3mm cross-section, featuring 2Z shielded design for minimal space applications. This miniature bearing offers reliable performance in compact machinery and precision instruments requiring dust resistance.
Categories:Power Transmission
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Product Description

The **W 637/3-2Z bearing** is a precision-engineered **Thin section bearing 3mm** designed for compact applications requiring minimal space and smooth operation. This **2Z shielded miniature bearing** features dual metal shields (2Z) for enhanced dust and contaminant protection while maintaining low torque performance. With an ultra-slim cross-section of 3mm, it supports high-speed rotation and moderate radial loads, ideal for robotics, medical devices, and small automation systems. The bearing operates within a temperature range of -20°C to +120°C and is constructed from chrome steel for durability. Its compact design enables direct integration into tight spaces without compromising efficiency. Key advantages include high precision, low noise, and minimal maintenance; however, its load capacity is limited compared to bulkier bearings. The shielded design ensures extended service life in environments with particulate exposure, making it suitable for industries prioritizing reliability and space optimization.
Parameter Specification
Model W 637/3-2Z
Bearing Type Thin Section Deep Groove Ball Bearing
Inner Diameter (d) 3 mm
Outer Diameter (D) 9 mm
Width (B) 3 mm
Cross Section Ultra-Thin 3mm Series
Shielding Type Double Side Metal Shields (2Z)
Dynamic Load (C) 220 N
Static Load (C0) 110 N
Material Chrome Steel (GCr15)
Lubrication Lithium Base Grease
Precision Grade ABEC-1
Operating Temperature -30°C to +120°C
Weight 0.85 g
Applications Miniature Mechanisms, Robotics, Medical Devices, Optical Equipment, Precision Instruments
question:What is the warranty policy?
answer:Products are covered by a 1-year warranty against manufacturing defects, starting from delivery date.
question:Why is shipping expensive? Any cheaper options?
answer:Costs include customs and handling. We offer budget sea freight for non-urgent orders upon request.
question:Why are labels removed from received items?
answer:Labels are removed per brand protection agreements. Functionality remains unaffected.
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:What is the warranty policy?
answer:Products are covered by a 1-year warranty against manufacturing defects, starting from delivery date.
question:Why is shipping expensive? Any cheaper options?
answer:Costs include customs and handling. We offer budget sea freight for non-urgent orders upon request.
question:Why are labels removed from received items?
answer:Labels are removed per brand protection agreements. Functionality remains unaffected.
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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