623ZZ Metal Pulley d3*D10*4
Custom 623ZZ Bearing U-Type Metal Pulley | 3*10*4mm 2mm U-Groove
The custom 623ZZ U-type metal pulley is a mini ultra-compact non-standard grooved pulley for precision micro transmission systems. Equipped with a double shielded 623ZZ bearing, this 3*10*4mm metal pulley features dustproof, low-friction and quiet smooth rotation, ideal for tiny machinery and mini automation equipment.
Product Specifications
Model: Non-standard 623ZZ U-Type Metal Pulley
Overall Dimension: 3× 10× 4mm
U-Groove Width: 2mm
Bearing Type: 623ZZ double metal shielded bearing
Optional Material: High-strength carbon steel / stainless steel
Core Features
Built-in 623ZZ shielded bearing effectively blocks fine dust, ensuring long-term stable operation. Precision 2mm narrow U-groove perfectly matches micro belts and ropes to prevent slipping and deviation. Ultra-small 3*10*4mm custom size fits ultra-narrow installation spaces. One-piece metal machining provides high rigidity, excellent wear resistance and deformation-free performance.
Material Difference And Advantages
Carbon Steel U Pulley: Cost-effective with high hardness and stable load capacity. Suitable for dry, indoor and conventional micro transmission scenarios.
Stainless Steel U Pulley: Offers great rust-proof, anti-corrosion and moisture-resistant properties. Perfect for humid, sanitary, outdoor and mildly corrosive working environments.
Application Scenarios
This custom 623ZZ U-type metal pulley is widely used in miniature automation equipment, precision instruments, small guide mechanisms, micro lifting systems and customized compact mechanical devices.