Track Rollers, Yoke Type-, Stud Type Track Rollers

INA track rollers are engineered to handle extreme radial loads while providing smooth, precise linear motion in harsh industrial environments. With specialized designs for yoke-type (KRT) and stud-type (KR) mounting, these components deliver unmatched durability in material handling, packaging machinery, and heavy equipment application.

Core Product Types & Technical Specifications

  1. Stud-Type Track Rollers (KR Series)

Rigid mounting via integral stud for maximum stability

Design Features:

One-piece stud and roller assembly

Crowned outer diameter for edge stress reduction

Technical Data:

Load Capacity: Up to 220 kN dynamic radial (e.g., KR35PPA)

Speed Limit: 2.5 m/s (grease-lubricated)

Stud Diameters: M6 to M30 (ISO 4762)

Operating Temp: –30°C to +120°C

Sealing Options:

TripleLip™ Seals: IP69K rating for washdown environments

LLU Non-Contact Shields: For high-speed applications

  1. Yoke-Type Track Rollers (KRT Series)

Fork-mounted design for articulated movement

Design Features:

Split yoke housing with retaining ring

Needle roller bearing core for high load density

Technical Data:

Load Capacity: Up to 185 kN dynamic radial (e.g., KRT40-UU)

Articulation Angle: ±4°

Bolt Sizes: M10 to M24 (DIN 912)

Corrosion Resistance: 1,000-hr salt spray (ISO 9227)

Special Variants:

Stainless Steel Series: AISI 304/316L for food/pharma

High-Temp Version: PEEK cages (+150°C continuous)

Industry-Specific Applications

◼ Automotive Assembly Lines

Application: Cam-driven welding robots

Solution: KRV 20-PPV stud-type roller

Vibration Damping: Handles 15g impacts

Precision: ±0.1 mm linear deviation

◼ Packaging Machinery

Challenge: Track wear in high-cycle cartoners

Response: KRT 32-UU-2RS yoke-type roller

Maintenance-Free: Solid Oil lubrication

Speed: 3 m/s at 50,000 cycles/day

◼ Solar Tracker Systems

Requirement: Corrosion resistance in desert environments

System: KR 40-2RS-SS (AISI 316L)

Sand Protection: TripleLip seals

Tilt Compensation: ±3° articulation

Why Choose INA Track Rollers?

✅ Zero Maintenance – Solid Oil variants (80,000 hrs service)
✅ Extreme Environments – –40°C to +150°C operating range
✅ Smart Monitoring – Industry 4.0-ready with RollerSense™
✅ Global Certification – ISO 9001, IATF 16949, AS9100

Technical Support & Services

◼ Engineering Resources

INA TrackConfigurator®:

CAD models with load simulation

Life calculation per ISO 281

Failure Analysis:

Spectroscopic wear debris testing

◼ Sustainability Commitment

Material Circularity:

95% steel recycling via Schaeffler ReCon

30% recycled content

CO₂ Reduction:

Low-friction designs save 9 tons/year per 100 rollers

Conclusion: Redefining Linear Motion Reliability

INA track rollers transform industrial motion systems through:

60% longer service life in mining conveyors

Zero unplanned downtime in automotive production

Precision articulation for solar tracking

Specify INA Track Rollers Today—Where German Engineering Meets Uncompromised Load Capacity.

 

 

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For demanding applications requiring smooth, reliable guidance along tracks, rails, or cam profiles while supporting significant radial loads – often under harsh conditions – INA (a Schaeffler Group brand) offers a specialized range of Track Rollers, also widely known as Cam Followers or Cam Rollers. These robust components are engineered to handle combined rolling and sliding forces, impacts, and environmental challenges. This analysis delves into the design, variants (Yoke Type, Stud Type), features, and critical applications of INA track rollers. I. Core Function & Design Principle
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