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SMR74ZZ Bearing 4x7x2.5 Ceramic Si3N4 ABEC-5 Stainless Steel Shielded Miniature Bearing
| SMR74ZZ Ceramic Si3N4 ABEC-5 Sealed Ball Bearing 4mm x 7mm x 2.5mm |
SMR74ZZ metal shielded, radial and deep groove ball bearing, SMR74ZZ bearing is made from stainless Steel with Ceramic Si3N4 balls and steel cage, SMR74ZZ bearing is closed with metal shields to protect the bearing from dust or any possible contamination, SMR74ZZ bearing is shielded and self lubricated,the quality is ABEC-5, bearing is lubricated with grease.
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💡 What Does ABEC-5 Mean?
ABEC-5 is a precision rating from the Annular Bearing Engineers’ Committee (ABEC), indicating that the bearing is manufactured with tighter tolerances for improved accuracy and performance.
Bearings rated ABEC-5 are designed for high-speed, low-friction operation, making them ideal for electric motors, precision tools, 3D printers, and performance equipment where smooth rotation and long service life are essential.