SNH Series
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SNH Series
SNH Series Plummer Blocks

SNH Series

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.

Size Range
As per requirement
Surface Finish
Standard / Customized
Application
Industrial Use
Country of Origin
India
Drop-in SNH Series replacement
Heavy-duty rated
4 Seal options
Why Choose SNH Series

Key Features & Improvements

Engineering advancements that make the SNH Series the smarter, longer-lasting choice.

  • Ultra-Sturdy Base Construction: The SNH series features a reinforced base with a crossed rib at the center and two additional ribs at the sides. This unique structural design allows the housing to carry much higher loads compared to standard models.
  • Smart Monitoring Ready: To help prevent unexpected breakdowns, the SNH housing includes built-in connections for vibration and temperature sensors. This allows your team to monitor bearing health in real-time.
  • Versatile Lubrication: Unlike basic housings, the SNH series is designed to handle both Grease and Oil lubrication. It comes with pre-made provisions for oil inlets and drain plugs.
  • Maximum Sealing Flexibility: To protect your bearings in any environment, the SNH series supports a wide variety of seals:
    • Felt Seals (TC)
    • Four-Lip Seals (TL)
    • V-Ring Seals (TA)
    • Labyrinth Seals (TS)
    • Taconite Seals (ND): For extremely dusty or dirty conditions.
  • Easy Alignment: The base and sides are precision-machined flat, and the housing features marked "dimples" for dowel pins to ensure the cap and base are perfectly aligned every time.
 
Specifications

Technical Summary

Full dimensional and performance data for the SNH Series.

Feature Detail
Series SNH Series (Reinforced Split Type)
Interchangeability Fits the same footprint as SN and SNA series
Shaft Sizes 20 mm to 140 mm
Lubrication Grease or Oil (with drain and inlet provisions)
Best For High-speed fans, mining equipment, and heavy machinery with high vibration
 
Feature SNA Series (Enhanced) SNH Series (High Performance)
Basic Design An upgraded design with a reinforced base and thicker internal ribs. Ultra-robust design featuring a crossed rib in the base for maximum rigidity.
Interchangeability 100% Interchangeable with SN series (same bolt hole distances and heights). Fully Interchangeable with both SN and SNA series footprints.
Sealing Options Offers 4 Different Seals (V-Ring, Four-Lip, Labyrinth, or Felt). Supports all SNA seals plus Taconite Seals (ND) for extremely dirty environments.
Load Capacity Better suited for Heavier loads due to reinforced housing strength. Maximum Load Capacity; specifically engineered to handle high vibrations and heavy-duty stress.
Monitoring Features Standard manual inspection. Sensor Compatible: Includes built-in provisions for vibration and temperature sensors.
Lubrication System Primarily designed for Grease lubrication. Dual Compatibility: Optimized for both Grease and Oil lubrication systems.
Maintenance Includes marked spots for Dowel Pins and a provision for a Drain Plug. Includes grease escape holes and professional provisions for oil inlets and drain plugs.
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