1. Product Overview
The SKF SNL 3136 Split Pillow Block is a robust and reliable housing unit designed for self-aligning ball bearings or spherical roller bearings. These split pillow blocks are engineered for easy installation and maintenance, providing excellent protection for bearings in various industrial applications. Their split design allows for easy mounting and dismounting of pre-assembled shafts.
An image showing the complete SKF SNL 3136 Split Pillow Block, highlighting its robust cast iron construction and the securing bolts.
2. Specifications
This section provides detailed technical specifications for the SKF SNL 3136 Split Pillow Block.
| Property | Value |
|---|---|
| Item Weight | 168.7 Pounds |
| Item Model Number | SNL 3136 |
| Manufacturer | SKF |
| ASIN | B00YS8ER18 |
| Country of Origin | USA |
Dimensional Specifications
A technical drawing illustrating the various dimensions and components of the SKF SNL 3136 Split Pillow Block, including shaft diameter, housing height, and bolt hole distances. Measurements are provided in millimeters.
| Dimension | Value | Description |
|---|---|---|
| da | 180 mm | Shaft diameter |
| db | 200 mm | Shaft diameter |
| d2 | 330 mm | Diameter through taconite seals |
| Ca | 116 mm | Internal space length |
| Da | 300 mm | Spherical seat diameter |
| A | 240 mm | Base width |
| A1 | 190 mm | Flange width |
| ATS | 250 mm | Length through labyrinth seals |
| ATK | 345 mm | Length through taconite seals |
| H | 353 mm | Housing height |
| H1 | 180 mm | Spherical seat central height |
| H2 | 75 mm | Foot height |
| J | 450 mm | Distance between fixing bolts |
| J1 | 110 mm | Distance between fixing bolts |
| L | 530 mm | Total height |
| N | 34 mm | Radial fixing bolt hole length |
| N1 | 28 mm | Axial fixing bolt hole length |
| s | 15 mm | Bearing axis "fixed" |
3. Setup and Installation
Proper installation is crucial for the optimal performance and longevity of the SKF SNL 3136 Split Pillow Block. Always refer to the detailed installation instructions provided with the product packaging or consult SKF's official technical documentation for specific guidelines.
General Steps:
- Ensure the mounting surface is clean, flat, and rigid.
- Carefully separate the two halves of the pillow block housing.
- Mount the bearing onto the shaft according to the bearing manufacturer's instructions.
- Position the lower half of the housing on the mounting surface and secure it loosely with bolts.
- Place the bearing and shaft assembly into the lower housing half.
- Fit the upper half of the housing, ensuring proper alignment.
- Tighten the housing bolts evenly to the recommended torque specifications.
- Install appropriate seals to protect the bearing from contaminants.
It is recommended to use specialized tools and follow safety procedures during installation.
4. Operation
Once properly installed, the SKF SNL 3136 Split Pillow Block operates as a protective housing for the bearing, facilitating smooth rotation of the shaft. No specific operational controls are associated directly with the pillow block itself, as its function is passive containment and support.
Key Operational Considerations:
- Ensure the operating environment is within the specified temperature and load limits for the installed bearing.
- Monitor for unusual noise, vibration, or heat, which may indicate an issue with the bearing or lubrication.
- Maintain proper lubrication of the bearing as per the bearing manufacturer's recommendations.
5. Maintenance
Regular maintenance is essential to maximize the service life of the SKF SNL 3136 Split Pillow Block and the bearing it houses. The split design simplifies inspection and replacement procedures.
Maintenance Schedule:
- Lubrication: Follow the lubrication schedule for the specific bearing installed within the pillow block. Use the recommended type and quantity of lubricant.
- Inspection (Periodically): Visually inspect the housing for signs of damage, corrosion, or wear. Check the tightness of mounting bolts.
- Seal Integrity: Ensure seals are intact and functioning correctly to prevent ingress of contaminants. Replace worn or damaged seals promptly.
- Cleaning: Keep the exterior of the pillow block clean to prevent accumulation of dirt that could compromise seals or lead to corrosion.
For detailed maintenance procedures, consult SKF's official maintenance guides for pillow blocks and the specific bearing type used.
6. Troubleshooting
While the SKF SNL 3136 Split Pillow Block is a passive component, issues with the overall bearing assembly can manifest through the housing. Common problems are usually related to the bearing itself, lubrication, or installation.
Common Issues and Solutions:
- Excessive Noise/Vibration:
- Possible Causes: Insufficient lubrication, bearing damage, misalignment, loose mounting bolts.
- Solutions: Check lubrication, inspect/replace bearing, verify alignment, tighten bolts to spec.
- Overheating:
- Possible Causes: Over-lubrication, under-lubrication, excessive load, bearing damage, misalignment.
- Solutions: Adjust lubrication, reduce load if possible, inspect/replace bearing, correct alignment.
- Premature Seal Wear:
- Possible Causes: Contaminant ingress, improper installation, incorrect seal type.
- Solutions: Ensure proper installation, verify seal type for environment, replace seals.
If issues persist, it is recommended to consult a qualified technician or contact SKF technical support.
7. Warranty and Support
SKF products are manufactured to high-quality standards. For specific warranty information regarding the SKF SNL 3136 Split Pillow Block, please refer to the warranty documentation provided at the time of purchase or visit the official SKF website. Warranty terms typically cover manufacturing defects.
Customer Support:
For technical assistance, product inquiries, or support, please contact SKF directly through their official website or authorized distributors. When contacting support, please have your product model number (SNL 3136) and any relevant purchase information ready.
You may also find additional resources and technical documentation on the SKF Store on Amazon.
