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Home Product W 639/3-2Z Sealed Deep Groove Ball Bearing 2Z Shielded High Speed Electric Motor Automotive
W 639/3-2Z(OD3,ID8)

W 639/3-2Z Sealed Deep Groove Ball Bearing 2Z Shielded High Speed Electric Motor Automotive

W 639/3-2Z bearing
2Z shielded ball bearing
W639/3-2Z miniature bearing
W 639/3-2Z
W 639/3-2Z bearing is a 2Z shielded ball bearing with dual metal shields, optimized for compact applications. The W639/3-2Z miniature bearing delivers smooth operation in small machinery and precision equipment requiring durability and space efficiency.
Categories:Power Transmission
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Product Description

The W 639/3-2Z bearing is a 2Z shielded ball bearing designed for precision applications in compact machinery and industrial equipment. This W639/3-2Z miniature bearing features dual metal shields (2Z) for effective dust and debris protection, supporting axial and radial loads with a dynamic load capacity of 1.12 kN and static load of 0.46 kN. Its compact dimensions (3 mm inner diameter, 13 mm outer diameter, 4 mm width) enable integration into tight spaces, such as small motors, medical devices, or office automation systems. Operating within -30°C to 120°C, it achieves maximum speeds of 34,000 rpm with grease lubrication. Ideal for low-noise, high-rotation scenarios, its shielded design minimizes maintenance while limiting suitability for extreme high-load environments. The bearing requires periodic relubrication in continuous operation.
Parameter Specification
Model W 639/3-2Z bearing
Type 2Z shielded ball bearing
Bore Diameter 3 mm
Outer Diameter 9 mm
Width 4 mm
Dynamic Load (C) 400 kgf
Static Load (C0) 190 kgf
Material Chrome Steel
Shielding Double Metal Shields (2Z)
Application W639/3-2Z miniature bearing
Precision Grade ABEC-1
Max RPM (Grease) 38,000
Max RPM (Oil) 45,000
Weight 0.006 kg
question:Why choose us for industrial automation products?
answer:As Asia's leading supplier with 20+ years expertise, we ensure reliable quality and strong reputation, supported by 85% repeat customers.
question:Can you guarantee stable product supply?
answer:We maintain stable supply chains through long-term partnerships with certified manufacturers and proactive inventory management.
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other secure global payment options for efficient transactions.
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 choose us for industrial automation products?
answer:As Asia's leading supplier with 20+ years expertise, we ensure reliable quality and strong reputation, supported by 85% repeat customers.
question:Can you guarantee stable product supply?
answer:We maintain stable supply chains through long-term partnerships with certified manufacturers and proactive inventory management.
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other secure global payment options for efficient transactions.
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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