DC3175C Sprag Clutch | Industrial One Way Clutch

DC3175C Sprag Clutch | Industrial One Way Clutch

DC3175C Sprag Clutch is a precision DC Series one way freewheel clutch designed for industrial and automotive transmission applications. Featuring a 31.75mm bore diameter, 48.41mm outer diameter and 25.4mm height structure, it provides reliable one-direction locking, smooth overrunning performance and excellent durability. With a 16-sprag design and high load stability, DC3175C is suitable for demanding power transmission systems. LSTO manufactures professional sprag clutch solutions with OEM customization, strict quality control and global supply capability.

DC3175C Sprag Freewheel Clutch 25.4mm Height for Industrial & Automotive Applications

DC3175C Sprag Clutch | 25.4mm Height DC Series One Way Freewheel Clutch


Introduction: What Is DC3175C Sprag Clutch?

The DC3175C Sprag Clutch is a precision-engineered DC series one way freewheel clutch designed for industrial machinery, automotive components and mechanical transmission systems.

Unlike traditional friction clutches, the DC3175C uses a sprag locking mechanism to achieve automatic engagement and freewheel operation.

Its main functions include:

  • One-direction torque transmission
  • Automatic mechanical locking
  • Overrunning operation
  • Backstop protection

When the driving shaft rotates in the locking direction:

  • The sprag elements engage
  • Inner and outer races lock together
  • Torque is transmitted efficiently

When the driven side rotates faster:

  • Sprags release automatically
  • Free rotation occurs
  • Reverse torque is prevented

This design provides excellent efficiency and durability for demanding power transmission applications.


Product Overview

Item Specification
Model DC3175C
Product Type Sprag Freewheel Clutch
Series DC Series
Structure One Way Sprag Clutch
Bore Diameter 31.75 mm
Outer Diameter 48.41 mm
Height 25.4 mm
Number of Sprags 16 Sprags
Application Industrial / Automotive
Function Overrunning & Backstopping


Key Features of DC3175C Sprag Clutch

1. High Height 25.4mm Structure Design

Compared with standard DC3175 models, the DC3175C uses a 25.4mm height configuration.

Advantages:

Feature Benefit
Increased axial height Higher load capacity
More stable sprag support Improved reliability
Larger contact area Better torque transmission
Heavy-duty structure Longer service life

The C-type design is suitable for applications requiring stronger mechanical support and higher operating reliability.


2. Precision 16 Sprag Locking System

DC3175C adopts a multi-sprag mechanical locking structure.

The 16 precision sprags provide:

  • Uniform torque distribution
  • Fast locking response
  • Stable engagement
  • Reduced mechanical impact

Working principle:

Drive Direction

  1. Inner race rotates.
  2. Sprags tilt into locking position.
  3. Inner and outer races engage.
  4. Torque is transmitted.

Freewheel Direction

  1. Sprags release.
  2. Relative rotation is allowed.
  3. Reverse load is eliminated.

3. Compact DC Series Transmission Solution

The DC3175C provides a compact alternative to traditional clutch systems.

Advantages:

  • Small installation space
  • High mechanical efficiency
  • Low maintenance requirement
  • Reliable continuous operation

Application Areas

Automotive Applications

DC3175C can be used in:

Application Function
Transmission System One-way torque control
Drive Assembly Direction control
Vehicle Components Power transmission
Mechanical System Overrunning

Industrial Applications

Typical industrial applications include:

Industry Usage
Textile Machinery Drive control
Conveyor Equipment Backstop protection
Automation Equipment Rotation control
Gearbox System One-way transmission

DC3175C type sprag clutches are commonly applied in machinery requiring overrunning and backstop functions.


DC3175C Compared With Traditional Clutch Systems

Feature DC3175C Sprag Clutch Friction Clutch
Locking Method Mechanical sprag locking Friction plates
Engagement Speed Instant Slower
Slip Loss Very Low Higher
Energy Efficiency High Medium
Maintenance Low Higher

Why Choose LSTO DC Series Sprag Clutch?

LSTO specializes in manufacturing:

  • DC Series Sprag Clutch
  • Automotive One Way Clutch
  • Industrial Freewheel Clutch
  • Transmission Overrunning Clutch

Our manufacturing capabilities include:

Precision Manufacturing

Production processes:

  • CNC machining
  • Precision grinding
  • Heat treatment
  • Assembly testing

Quality Control

Inspection Item Purpose
Material Testing Ensure mechanical strength
Dimensional Inspection Guarantee installation accuracy
Hardness Testing Improve wear resistance
Torque Testing Verify locking performance

OEM Replacement & Custom Manufacturing

LSTO supports global customers with:

  • OEM replacement
  • Drawing-based production
  • Customized dimensions
  • Sample development
Service Customer Benefit
Engineering support Faster product matching
Prototype testing Reduced development risk
Mass production Stable supply
Quality control Reliable performance

How To Select A DC Sprag Clutch Supplier?

For industrial and automotive buyers, important factors include:

Manufacturing Capability

Evaluate:

  • Production experience
  • Precision machining ability
  • Quality control system

Technical Support

Professional suppliers should provide:

  • Product selection support
  • Application analysis
  • Customized solutions

Supply Reliability

Consider:

  • Production capacity
  • Delivery stability
  • Long-term cooperation ability

FAQ About DC3175C Sprag Clutch

What is DC3175C Sprag Clutch?

DC3175C is a DC series one way sprag freewheel clutch designed for industrial and automotive transmission applications.


What are the dimensions of DC3175C?

The standard dimensions are:

  • Bore diameter: 31.75 mm
  • Outer diameter: 48.41 mm
  • Height: 25.4 mm


How many sprags does DC3175C have?

DC3175C uses 16 precision sprag elements for reliable locking performance.


What is the function of DC3175C?

It allows free rotation in one direction while automatically locking in the opposite direction for torque transmission and backstop applications.


Can LSTO manufacture DC3175C replacement products?

Yes. LSTO provides OEM replacement and customized DC series sprag clutch manufacturing solutions.


Conclusion

The DC3175C Sprag Clutch is a high-performance DC Series one way freewheel clutch designed for industrial machinery and automotive transmission systems.

With its 25.4mm high structure, 16-sprag locking design and reliable mechanical performance, DC3175C provides stable torque transmission, fast engagement and long service life in demanding applications.

LSTO specializes in Sprag Clutch, One Way Clutch and Freewheel Clutch manufacturing, providing OEM replacement, customized engineering and reliable global supply solutions.