UVT Precision Motion Components
Rotary Ball Splines

Light-Duty Rotary · ULTR

Light-duty rotary ball spline combines linear travel and rotation. Evaluate the spline and rotary support bearing independently.

← Rotary Ball Splines
01 · Overview

Structure & Application Boundaries

Light-duty rotary ball spline combines linear travel and rotation. Evaluate the spline and rotary support bearing independently.

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

ULTR 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
ULTR 88 / 3214502870View model →
ULTR 1010 / 3626704890View model →
ULTR 1616 / 48612011200View model →
ULTR 2020 / 56890016300View model →
ULTR 2525 / 661280023200View model →
ULTR 4040 / 1003080037500View model →

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 series and size; L long nut or A hollow shaft only where offered; C nut count; R shaft length; T0 clearance, unmarked standard or T1 light preload; accuracy and S1/S2 mating identification. Confirm available suffixes against this series drawing.

08 · Installation & Options

Mounting & Lubrication

Check alignment and mounting datums, spline/screw engagement and support-bearing loads. Obtain the series-specific lubrication and maintenance specification.

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

09 · Applications

Related Equipment

  • SCARA θ-axis
  • Rotary indexing heads
  • Packaging machinery
  • Screw-driving robots
Equipment requirements & limitations →
10 · FAQs

ULTR Selection & Installation

11 · Engineering RFQ

Specify Your Light-Duty Rotary · ULTR

Request This Exact Configuration →