Engineering Resources
Select, download and specify a UVT ball spline — all in one place.
Product Selector
Filter by shaft diameter, load, mounting and motion.
OpenCAD & Catalog Library
English selection guides and model-specific CAD requests.
OpenEngineering Guides
Selection, preload, accuracy, installation, lubrication, replacement.
OpenTechnical FAQ
Engineering, lead time, customization, CAD and purchasing.
OpenBall Spline Selector
Shortlist catalog models, then confirm the details with a UVT engineer.
Shows up to 5 candidates. Load screen: C ≥ 1.5 × your load (not a life calculation).
Speed, torque, environment and combined loads are confirmed by our engineers.
| Model | Shaft d / OD D (mm) | C (N) | C₀ (N) | Details |
|---|---|---|---|---|
| UVT 3 | 3 / 7 | 251 | 285 | View model → |
| UVT 4 | 4 / 8 | 303 | 380 | View model → |
| ULT 4 | 4 / 10 | 860 | 1220 | View model → |
| US 4 | 4 / 8 | 285 | 380 | View model → |
| USA 4 | 4 / 8 | 285 | 380 | View model → |
UVT Ball Spline Selection Guide
Two English PDF editions · V1. Configuration-specific CAD is available on request.
Configuration Drawing Requests
4 reference configurations
UBNS2020R300
Request Configuration Drawing →ULF10C1R150
Request Configuration Drawing →ULT10C1R150
Request Configuration Drawing →UVTF10C1R150
Request Configuration Drawing →Request 2D PDF or 3D STEP from engineering. Confirm shaft length, suffixes and mounting interfaces for your configuration.
Engineering Guides
Selection, preload, accuracy, installation, lubrication and replacement evaluation.
What Is a Ball Spline? Structure, Working Principle and Uses
A ball spline transmits torque while allowing smooth linear motion. Here is how it works and where it beats a keyed shaft.
ReadHow to Select a Miniature Ball Spline in 5 Steps
Shaft diameter, load, speed, stroke and preload — a practical checklist for design engineers.
ReadBall Spline vs Linear Bushing: Which One Do You Need?
Both guide linear motion. Only one carries torque. Compare load, rigidity, accuracy and cost.
ReadBall Spline Preload and Accuracy
Select suffixes and mating requirements without confusing component accuracy with machine positioning.
ReadBall Spline Installation and Lubrication
Housing fit, safe nut handling and series-specific lubrication checks before commissioning.
ReadA Ball Spline Replacement Evaluation Checklist
What to compare before qualifying a UVT second source for an existing assembly.
ReadTechnical FAQ
Selection
Installation
Lubrication & Maintenance
Replacement
CAD & Customization
Ordering & Lead Time
Looking for a replacement?
Send the original model and drawing for dimensional and performance evaluation. Engineering review precedes replacement approval.