SNA Series
The MASTA SNA Series is an advanced version of the standard SN series. These horizontally split bearing housings are designed for greater strength and versatility, making them ideal for slightly heavier loads and industrial conveyor applications.
Engineering advancements that make the SNA Series the smarter, longer-lasting choice.
Full dimensional and performance data for the SNA Series.
| Feature | Detail |
|---|---|
| Series | SNA Series (Enhanced Split Type) |
| Compatibility | 200, 300, 500, and 600 Series Bearings |
| Shaft Sizes | 20 mm to 140 mm |
| Lubrication | Grease (includes provision for grease nipples) |
| Applications | Heavy-duty conveyors, industrial fans, and moderate-to-heavy machinery |
| Feature | SN Series (Standard) | SNA Series (Enhanced) |
|---|---|---|
| Basic Design | The traditional industry standard design. | An upgraded design with a reinforced base and thicker internal ribs. |
| Interchangeability | Standard footprint. | 100% Interchangeable with SN series (same bolt hole distances and heights). |
| Sealing Options | Primarily uses Felt Strips for basic dust protection. | Offers 4 Different Seals (V-Ring, Four-Lip, Labyrinth, or Felt) for different environments. |
| Load Capacity | Suitable for Moderate loads. | Better suited for Heavier loads due to the reinforced housing strength. |
| Heat Dissipation | Standard cooling. | The rounded base and ribbed design help dissipate heat faster, extending bearing life. |
| Versatility | Limited to specific bearing sizes per housing. | Higher versatility; one housing can often fit multiple bearing types just by changing the seal. |
| Maintenance | Basic grease lubrication. | Includes marked spots for Dowel Pins and a provision for a Drain Plug, making it easier to service. |
Find the right plummer block for your specific application and environment.
The MASTA SN Series is our premier range of horizontally split-type bearing housings. Engineered for durability and ease of installation, these blocks are the ideal solution for industrial applications operating under moderate loads and speeds in temperate environments.
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The MASTA SNH Series represents a major step up in housing technology. While these blocks are horizontally split and fully interchangeable with the SN and SNA series, they feature a significantly more robust design. They are the preferred choice for industrial operations involving high speeds, heavy vibrations, and demanding workloads.
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The MASTA SNL Series is the industry standard for large-scale horizontally split plummer blocks. These housings are specifically engineered to provide maximum service life for large bearings. They are designed to keep lubricants in and contaminants out, ensuring your machinery runs smoothly even in challenging industrial environments.
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The MASTA SNL 3000 and 3100 Series are built for the most demanding, large-capacity industrial applications. These housings are specifically designed to accommodate the largest bearing series, providing a massive and stable foundation for heavy-duty rotating shafts.
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The MASTA SD Series consists of heavy-duty, horizontally split plummer blocks designed for large-diameter shafts and extreme operating conditions. These housings are significantly larger and stronger than the standard SN series, making them the primary choice for heavy engineering, mining, and metal-processing industries where equipment reliability is non-negotiable.
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The MASTA SOFN Series represents a specialized range of plummer blocks specifically designed for oil lubrication. These housings are engineered for high-performance applications where grease is insufficient due to high operating speeds or extreme temperatures. The SOFN series is widely utilized in critical equipment like industrial fans, blowers, and high-speed emergency machinery where continuous, reliable lubrication is a necessity.
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The MASTA LOE Series is a specialized range of horizontally split plummer blocks engineered specifically for oil bath lubrication. These housings are designed for large-diameter shafts operating at high speeds where grease would fail due to heat buildup. The LOE series is the industry standard for high-performance equipment that requires a constant, stable oil supply and maximum reliability under continuous operation.
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