UVT Precision Motion Components
Ball Splines

US Series

Limited-stroke miniature spline, including US / USA variants. Select using effective travel, mounting geometry and the exact variant drawing.

← Ball Splines
01 · Overview

Structure & Application Boundaries

Limited-stroke miniature spline, including US / USA variants. Select using effective travel, mounting geometry and the exact variant drawing.

Selection Inputs

Shaft and housing envelope, nut retention / flange dimensions, shaft length, travel, radial load and load direction, torque, speed, duty cycle, accuracy, preload and lubricant/environment.

02 · Gallery

Product & Configuration

US reference product

Reference product photo. Files apply only to their named configurations.

03 / 04 · Models & Specifications

Catalog Models

ModelShaft d / OD D (mm)C (N)C₀ (N)Details
US 44 / 8285380View model →
USA 44 / 8285380View model →
US 55 / 10616748View model →
USA 55 / 10673855View model →

2024 catalog size coverage

Ø4 / Ø5 / Ø6 mm

Catalog sizes. Dimensions, loads and torque for each size are available on request.

Data source: UVT Catalog 2024. Confirm mounting geometry, accuracy and preload against the exact drawing before ordering.

05 / 07 · Downloads & Drawings

Selection Guides & CAD Requests

Overseas edition · V1

English · PDF

UVT Ball Spline Selection Guide

Comprehensive catalog · V1

English · PDF

UVT Ball Spline Selection Guide
Request This Exact Configuration →

Guides are general reference PDFs. Request 2D / 3D CAD for your exact configuration.

06 · Configuration Guide

Complete Model Code

Select US / USA variant and size, effective stroke and mounting geometry. Catalog options are series-specific (C1 / T1 / P); confirm the complete configuration with UVT.

08 · Installation & Options

Mounting & Lubrication

US is supplied without grease. Provide appropriate lubrication and external travel limits; do not use maximum stroke as normal operating travel. No standard seals or internal mechanical stop.

Special materials, cleanroom, vacuum and dry-running suitability require individual review.

09 · Applications

Related Equipment

  • SMT pick-and-place heads
  • Semiconductor die bonders
  • Micro-assembly robots
  • Lab automation
Equipment requirements & limitations →
10 · FAQs

US Selection & Installation

11 · Engineering RFQ

Specify Your US Series

Request This Exact Configuration →