The difference starts from manufacturing and accuracy control
Rolled ball screws are formed by rolling and usually have better cost and delivery. Ground ball screws use grinding to achieve higher accuracy and more stable geometry for demanding positioning axes.
Rolled screws fit many economical projects
CNC routers, packing machinery, general automation, distributor stock, and repair replacement often use rolled ball screws. If C7 or similar accuracy is acceptable, rolled screws are often the practical choice.
Ground screws fit demanding axes
When the machine requires C5, low backlash, stable preload, higher positioning accuracy, or inspection reports, evaluate a ground ball screw. Drawings, accuracy grade, and inspection method should be clearer.
- State target accuracy grade or machine requirement.
- Confirm preload, low backlash, or inspection report needs.
- Provide travel, speed, load, and environment.
- For replacement, send old-part photos and dimensions.
Next step
Turn this guide into an RFQ
When the specification direction is clear, send the details below together with quantity, lead time, and packing requirements.
Include these details
- Model, diameter, lead, accuracy grade, or target application.
- Load, speed, travel, mounting method, and matching rail or support-unit needs.
- Quantity, lead time, packing, and whether inspection records or shipment photos are needed.
Category
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