Overview
The INA PHTR 20 2RS A is a precision yoke type track roller manufactured by INA (Schaeffler Group), designed for demanding motion control and load-bearing applications. This sealed track roller features a full-complement cylindrical roller design that maximizes load capacity while maintaining smooth operation across a wide operating temperature range.
Key Features
- Full-complement cylindrical roller set—no cage for maximum radial load capacity
- Sealed design with 2RS rubber seals on both sides for contamination protection
- Yoke-type mount suitable for shaft mounting with flat track support
- Bidirectional axial load absorption—tolerates misalignment in both directions
- Compact, space-efficient envelope optimized for linear guidance and conveyor applications
Technical Specifications
This bearing combines robust cylindrical roller geometry with precision manufacturing to deliver consistent performance in industrial environments:
- Inner Diameter (d): 20 mm
- Outer Diameter (D): 47 mm
- Thickness (B): 25 mm
- Seal Type: 2RS (rubber seals both sides)
- Roller Design: Full-complement cylindrical (no cage)
- Operating Temperature Range: −30°C to +120°C
- Load Characteristics: High radial capacity, moderate shock resistance
Typical Applications
The INA PHTR 20 2RS A is widely used in industrial motion systems where compact size and high load capacity are essential:
- Conveyor systems and material handling equipment
- Linear guidance and support rail systems
- Cam-follower and indexing mechanisms
- Automated machinery and production lines
- Heavy-load positioning and traverse applications
Compatibility & Replacements
Compatible With
- Flat or V-groove track systems requiring 20 mm shaft diameter
- Linear motion systems with 47 mm outer race dimensions
- Industrial automation platforms using metric yoke-type rollers
- Machinery designed for INA PWTR and PHTR series track rollers
Replaces / Drop-In Replacement For
- INA PWTR 20.2RS (equivalent part designation)
- Systems originally equipped with INA PHTR 20 2RS A bearings
- Verify compatibility with your system integrator before ordering to confirm track profile and mounting requirements
Works With
- Metric yoke-type track roller mounting systems
- Standard flat and profiled track geometries
- Industrial conveyor and linear motion platforms
- General industrial bearing lubrication and mounting practices
