Housing Sn520
Overview
Product sourcing insights & recommendations


The SN520 plummer block housing is a critical industrial component designed for high-load applications, primarily in mining, infrastructure, and heavy machinery. As of 2026, the market is characterized by a shift toward Industry 4.0 "Smart" housings and split designs that significantly reduce maintenance downtime GminsightsPrecisionreports.
Product Insights & Specifications
The SN520 is a split-type bearing housing optimized for grease lubrication and standard industrial shafting CwlbearingMade-In-China.
* Key Dimensions: Features a 90mm shaft diameter, 112mm shaft center height, and a total length of 380mm. The unit weighs approximately 17 kg Cwlbearing.
* Bearing Compatibility: Primarily used with self-aligning ball bearings (1220K) or spherical roller bearings (2220K, 22220K) using adapter sleeves CwlbearingImimg.
* Material Strength: Standard units are cast from high-strength gray cast iron or ductile iron to withstand vertical loads in heavy-duty conveyors and crushers CwlbearingMade-In-China.
Market Trends (2025–2026)
* Market Valuation: The global bearing housing market is projected to reach $4.4 billion by 2026, growing at a CAGR of roughly 4.7% through 2034 DatainteloGminsights.
* Smart Maintenance: A major trend is the integration of vibration and temperature sensors into the housing. These "smart" units can reduce maintenance-related downtime by up to 32% PrecisionreportsGminsights.
* Regional Demand: Accelerated industrialization in India and Southeast Asia is a primary growth engine, with these regions investing heavily in infrastructure and energy transition projects Gminsights.
* Efficiency Shift: Split designs like the SN520 are increasingly preferred over solid housings because they allow for 35% faster bearing replacements Precisionreports.
Sourcing Context
Market prices for high-quality SN520 housings currently range from $50 to $65 per unit for bulk orders, with typical MOQs starting at 10 pieces AlibabaAlibaba. Leading manufacturers are increasingly offering corrosion-resistant coatings for harsh mining environments.
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Sn520 Plummer Block Bearing Housing Cast Iron
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Sources & References
22 sources cited · Verified industry data & reports

SN520 Plummer Block Bearing Housing
LDK Bearings
Explore the drawings and specifications of LDK SN520 Plummer Block Bearing Housing from China manufacturer LDK Bearings.

Plummer block housings SN520 Split bearing ...
XIAMEN GRANVILLE MECHATRONICS CO., LTD.
The SN520 bearing housing is a split-type housing constructed from high-strength cast iron, featuring an upper and lower housing design for quick ...

SN520 Plummer block housing - CWL
cwlbearing.com
SN series plummer block housings are split bearing housings for the fitting of self aligning bal or spherical roler bearings which are fixed to the shaft.

RBI BEARING Split Plummer Block Housing SN520
Lenmark Industries
Specifications Model SN520 Condition Surplus New General Type Split Plummer Block Height 223mm Outside Length 380mm Base to Bore Centerline 112mm Distance ...

SN520 Plummer Block Bearing Dimensions | PDF
Scribd
This document provides specifications for Plummer Blocks SN5 standard bearings. It includes dimensions for the shaft diameter (d1), bearing numbers, abutment ...

Sn513 Split Plummer Block Bearing Housing Sn516 Sn517 ...
srgbearing.com
Product Detail · Model NO.:SN513 · Rolling Body:Ball Bearings · The Number of Rows:Single · Outer Dimension:Small and Medium-Sized (60-115mm).
