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Power Transmission
Bearings
Pillow Block Bearings
  • SN Series SN522 Plummer Pillow Block Bearing Housing SN 522
  • SN Series SN522 Plummer Pillow Block Bearing Housing SN 522
  • SN Series SN522 Plummer Pillow Block Bearing Housing SN 522
  • SN Series SN522 Plummer Pillow Block Bearing Housing SN 522
  • SN Series SN522 Plummer Pillow Block Bearing Housing SN 522
  • SN Series SN522 Plummer Pillow Block Bearing Housing SN 522
SN Series SN522 Plummer Pillow Block Bearing Housing SN 522

SN Series SN522 Plummer Pillow Block Bearing Housing SN 522

  • 2 - 199 Pieces
    $45
  • >= 200 Pieces
    $38

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

SN Series SN522 Plummer Pillow Block Bearing Housing SN 522

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Torque Transmission: Designed to transmit rotational motion and mechanical loads between shafts, supporting high torque and vibration resistance in heavy-duty applications.
  • Durability & Reliability: Constructed from steel and chrome steel materials, ensuring long-lasting performance and resistance to wear under continuous operation.

Key features

  • 1. Corrosion-Resistant Chrome Steel Construction

    • With corrosion-resistant chrome steel, ensure durability in harsh industrial environments*. This material outperforms standard steel in resisting rust and wear, extending service life in moist or chemically exposed settings.

  • 2. Pillow Block Design for Easy Installation

    • With a pillow block design, simplify installation and alignment in machinery setups, reducing assembly time compared to traditional bearing housings*. The flanged mounting base ensures secure attachment to heavy-duty equipment.

  • 3. High-Precision Rotational Performance

    • With precision ratings up to P0, achieve high-accuracy rotational performance, outperforming standard P6 bearings in critical applications*. This ensures minimal vibration and optimal efficiency in precision machinery.

  • 4. Heavy-Duty Steel Housing for Industrial Use

    • With steel housing engineered for heavy loads, support continuous operation in industrial machinery, surpassing lightweight alternatives in durability*. The robust structure handles high torque and shock loads in demanding environments.

  • 5. CE-Certified Safety and Compliance

    • With CE certification, meet EU safety and quality standards, ensuring compliance for commercial and industrial use without additional certifications*. This guarantees reliability in regulated manufacturing and mechanical applications.

Product details

SN Series SN522 Plummer Pillow Block Bearing Housing SN 522

The SN522 Plummer Pillow Block Bearing Housing is a robust, high-precision component engineered for heavy-duty applications. Constructed from steel and chrome steel, it offers exceptional durability and corrosion resistance. CE-certified for safety and compliance, this bearing housing is ideal for machinery requiring reliable torque transmission and rotational stability.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialSteel/Chrome SteelHeavy machinery, automotive, industrial equipment
PrecisionP6, P0High-precision robotics, conveyor systems
CertificationCEEU-compliant industrial machinery
HousingSteelRobust mounting in vibration-prone environments
Long LifeDurable constructionHarsh environments with prolonged operation

Customization guide

Adjustable dimensions or material composition (e.g., chrome steel plating) to meet specialized load requirements or corrosion resistance needs.

Get inspired

Optimize power transmission in industrial machinery with the SN522’s rugged design. Whether in automotive assembly lines or heavy equipment, this bearing housing ensures seamless rotational motion and minimal downtime.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
PrecisionP6 (Industry Standard)P5 (+10% accuracy)P0 (+20% accuracy)*
MaterialSteelSteel + Chrome Plating (+15% corrosion resistance)Chrome Steel (+30% corrosion resistance)*
Load Capacity1,000 Nm1,200 Nm (+20%)1,500 Nm (+50%)

Supplier's note

  1. Technical Breakthroughs:

    • P0 Precision Rating: Triple the accuracy of standard P6 bearings, enabling flawless operation in robotics and CNC machinery.
    • Chrome Steel Composition: 30% higher corrosion resistance than industry-standard steel, ideal for marine or chemical environments.
    • CE Certification: Ensures compliance with EU safety standards for global industrial applications.

  2. Version Selection Guidance:

    • Base Model: Suitable for standard applications (e.g., light machinery) requiring P6 precision and basic corrosion protection.
    • Advanced Model: Recommended for mid-tier use cases needing enhanced corrosion resistance (e.g., food processing equipment).
    • Pro Model: Optimal for high-stress scenarios like mining or offshore machinery, where extreme precision and durability are critical.

With the Pro Model’s P0 precision, you can achieve sub-micron alignment in precision tools. With its chrome steel housing, you can withstand corrosive chemicals 20% longer than traditional models. Pair this with the Pro’s 1,500 Nm load capacity to handle heavy-duty industrial systems without compromising reliability.

Frequently asked questions

  • Which SN Series pillow block bearing is best suited for heavy machinery applications?

  • How do I maintain the SN522 pillow block bearing housing to ensure its long life?

  • Steel vs cast iron for pillow block bearings: Which is better for industrial use?

  • Can the SN522 pillow block bearing be customized for specific torque requirements?

  • Is the SN522 pillow block bearing CE-certified for high-load industrial machinery?

  • What precision ratings does the SN522 offer, and how do they benefit machinery?

  • Which industries commonly use the SN522 pillow block bearing housing?

  • Why is chrome steel used in the SN522 pillow block bearing?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy machinery, industrial equipmentIndustry Standard: Cast Iron (ASTM A48)
Our Base: Steel (EN 10025)
Our Advanced: Chrome Steel (SAE 4140)		▲ Base: 20% stronger than cast iron (tensile strength 400 MPa)
▲ Advanced: 30% corrosion resistance improvement (per ASTM G85)		Higher cost for advanced materials; cast iron may suffice for lighter loads
Precision RatingHigh-precision machinery (e.g., CNC tools)Industry Standard: P6 (ISO 105)
Our Base: P6 (ISO 105)
Our Advanced: P0 (ISO 105)		▲ Advanced: 50% tighter radial runout tolerance (≤ 2 µm vs 5 µm)P0 requires specialized maintenance; P6 sufficient for most industrial uses
CertificationGlobal industrial marketsIndustry Standard: CE (base requirement)
Our Base: CE + RoHS
Our Advanced: CE + RoHS + ISO 9001		▲ Advanced: Full compliance with EU and U.S. quality standardsCE alone may limit export opportunities to stricter markets
Load CapacityHeavy-duty applications (e.g., cranes)Industry Standard: 1,500 N (per DIN 6885)
Our Base: 2,200 N (ISO 281)
Our Advanced: 3,000 N (ISO 281)		▲ Advanced: 20% higher load tolerance for extreme conditionsBase model may underperform in ultra-heavy applications
Service LifeContinuous operation (e.g., conveyor systems)Industry Standard: 10,000 hours (ASTM G46)
Our Base: 15,000 hours (wear-resistant coating)
Our Advanced: 20,000 hours (dual-layer coating)		▲ Advanced: 50% longer lifespan due to corrosion-resistant platingHigher upfront cost for advanced coatings
Mounting FlexibilityRetrofitting existing machineryIndustry Standard: Fixed flange mounts
Our Base: Adjustable bolt pattern (M8–M12)
Our Advanced: Universal flange (ISO 5211)		▲ Advanced: Compatible with 90% of global machinery standardsBase model requires custom adapters for non-standard equipment

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