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635ZZ Shielded Miniature Bearing 5×19×6mm
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The 635ZZ shielded miniature bearing, measuring 5×19×6mm, stands out in the Small bearing field with its compact size of 5×19×6mm. It is like a "miniature guardian" in machinery, easily embedded in the compact Spaces of precision instruments and small automated equipment. The double dust cover (ZZ) shielding structure is like an airtight barrier. Whether it is a ceramic processing factory with flying dust or a 3D printing workshop with flying debris, it can keep dust and impurities out, protect the precision components inside the bearing, significantly reduce equipment maintenance costs, and minimize downtime losses.


In terms of material, the 635ZZ shielded miniature bearing adopts high-quality steel of the same grade as Stainless steel bearing. It undergoes multiple forging and heat treatment processes, featuring both super wear resistance and corrosion resistance, and can maintain stable performance even in complex environments such as moisture, acids and alkalis. As a member of the Ball bearing family, it is equipped with the classic Deep groove design of Deep groove ball bearing. During operation, the friction is extremely small. Even when rotating at high speed, it is quiet and smooth, providing precise and stable power transmission for precision detection instruments and micro motors.


If your project has special requirements, our Non-standard bearing customization service will tailor an exclusive solution for you. From special sizes to customized performance, it can precisely match the equipment requirements. In the Water pump equipment, the 635ZZ shielded miniature bearing is like a reliable Water pump bearing, capable of withstanding water pressure fluctuations and mechanical vibrations, ensuring the continuous and efficient operation of the water pump. Whether it is heavy machinery on industrial production lines or precision instruments in laboratories, the 635ZZ shielded miniature bearing 5×19×6mm can, with its outstanding performance, work hand in hand with the entire series of main products to ensure the smooth operation of machinery and open a new chapter of stable and efficient operation.

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635ZZ Bearing Specification Table

ItemSpecification
Model635ZZ
TypeDeep Groove Ball Bearing
Sealing TypeDouble Metal Shields (ZZ)
Inner Diameter (d)5 mm
Outer Diameter (D)19 mm
Width (B)6 mm
MaterialChrome Steel (GCr15) or Stainless Steel
Precision ClassP0 (ABEC-1), Optional: P6 / P5
Radial ClearanceC0 (Standard), Optional: C2, C3, C4
LubricationPre-lubricated with high-quality grease
Maximum SpeedUp to 30,000 RPM (no load, grease-lubricated)
Dynamic Load Rating (Cr)Approx. 2.2 kN
Static Load Rating (Cor)Approx. 0.86 kN
Noise LevelZ1, Z2 (Optional: Z3, Z4 for lower noise)
WeightApprox. 6.5 grams
ApplicationsPulleys, hobby motors, power tools, robotics, small devices
BrandNKMB (Laser logo customization available)


Published:Jul.23.2025  Viewed:45

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