SKF SIA 50 TXE-2LS Rod End Bearing
SKF SIA 50 TXE-2LS is a maintenance-free rod end with female thread, designed for oscillating movements and accommodating misalignment in various industrial applications. It contains a spherical plain bearing with a steel/PTFE fabric sliding contact surface combination and features triple-lip, heavy duty contact seals on both sides (suffix -2LS) for enhanced protection against contamination.
SKF SIA 50 TXE-2LS is a maintenance-free rod end with female thread, designed for oscillating movements and accommodating misalignment in various industrial applications. It contains a spherical plain bearing with a steel/PTFE fabric sliding contact surface combination and features triple-lip, heavy duty contact seals on both sides (suffix -2LS) for enhanced protection against contamination.
Key Features
- Maintenance-free operation: No lubrication required throughout service life
- Long service life: Due to the durable steel/PTFE fabric sliding contact surface
- High load capacity: Suitable for very heavy, constant direction loads
- Low coefficient of friction: Enables smooth operation with minimal energy loss
- Simple installation: Ready-to-mount design for easy integration into systems
- Superior sealing: Triple-lip heavy-duty seals on both sides prevent contamination ingress
- Right-hand thread: Standard configuration (left-hand version available as SILA 50 TXE-2LS)
Technical Specifications
Dimensions
| Parameter | Value | Description |
|---|---|---|
| Bore diameter, bearing inner ring (d) | 50 mm | Inner diameter of the bearing inner ring |
| Outside diameter, housing eye (d₂) | max. 114 mm | Maximum outer diameter of the housing eye |
| Width, bearing inner ring (B) | 35 mm | Width of the bearing inner ring |
| Thread designation (G) | M 45x3 | Metric thread size and pitch (female) |
| Thread direction | Right-hand | Standard thread direction |
| Tilt angle (α) | 6° | Maximum allowable angle of tilt |
| dk | 66 mm | Diameter of the inner ring spherical surface |
| C₁ | max. 31 mm | Maximum housing width |
| r₁ | min. 0.6 mm | Minimum radius of housing eye corners |
| h | 185 mm | Overall length of the rod end |
| d₂ | min. 104 mm | Minimum outer diameter of the housing eye |
Load Ratings
| Parameter | Value | |
|---|---|---|
| Basic dynamic load rating (C) | 440 kN | Rated capacity for dynamic loads |
| Basic static load rating (C₀) | 270 kN | Rated capacity for static loads |
| Specific dynamic load factor (K) | 300 N/mm | Specific dynamic load-bearing capability |
Materials and Construction
| Component | Material | |
|---|---|---|
| Housing | Steel | Outer member providing structural support |
| Inner ring | Bearing steel | Spherical inner ring for load distribution |
| Outer ring | Bearing steel | Outer ring with spherical bore |
| Sliding contact surface | Steel/PTFE fabric | Self-lubricating surface for maintenance-free operation |
| Seals | Triple-lip heavy-duty rubber | Seals on both sides for contamination protection |
Operational Characteristics
- Maintenance: Maintenance-free (not relubricatable)
- Temperature range: Suitable for standard industrial operating temperatures (refer to SKF application engineering guidelines for extreme conditions)
- Mounting: Simple bolt-on installation with appropriate fasteners matching M45x3 thread
- Misalignment capability: Accommodates angular misalignment up to 6°
Application Areas
SKF SIA 50 TXE-2LS is ideal for applications requiring:
- Oscillating movements with misalignment compensation
- Heavy constant-direction loads
- Maintenance-free operation to reduce downtime
- Low friction and smooth operation
Common industries include:
- Construction machinery
- Agricultural equipment
- Material handling systems
- Industrial automation
- Heavy-duty hydraulic applications
