625zz O Type Plastic Roller Pulley d5*D21*7mm
Custom 625ZZ Nylon And POM Arc-Type Plastic Pulley | 5*21*7mm
The custom 625ZZ arc-type plastic pulley is a non-standard rounded groove pulley withNylon and POM material options. Equipped with double shielded dustproof 625ZZ steel bearing, this 5*21*7mm arc groove pulley provides low-friction, smooth and quiet rolling for linear guide and light-duty transmission systems.
Product Specifications
Model: Non-standard 625ZZ Arc-Type Plastic Pulley
Overall Dimension: 5× 21 × 7mm
Bearing Type: 625ZZ double metal shielded bearing
Optional Material: Nylon, POM (Acetal)
Structure: Embedded steel bearing + precision arc rounded groove plastic body
Core Features
Manufactured with premium Nylon and POM materials, this 625ZZ arc pulley delivers excellent wear resistance and anti-aging stability. Built-in dustproof bearing ensures long-term low-noise and stable operation. Smooth arc groove design protects cables and guide rails, avoiding jamming and abrasion. Non-standard 5*21*7mm compact size fits narrow and custom installation spaces.
Material Advantages
Nylon: Lightweight, high toughness and cost-effective, ideal for general light-load silent rolling scenarios.
POM: High hardness, ultra-low friction and great dimensional stability, perfect for high-frequency continuous operation. Both materials effectively reduce running noise and component wear compared with metal pulleys.
Application Scenarios
This custom 625ZZ Nylon And POM arc-type pulley is widely used in precision automation equipment, linear sliding systems, cable transmission mechanisms, packaging machinery and compact customized mechanical devices.
