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60 Series
Home Deep Groove Ball Bearings 60 Series

6020-ZZ Shielded Deep Groove Ball Bearing | Pre-Lubricated Low-Friction Performance | 100×150×24 mm

6020-ZZ Shielded Deep Groove Ball Bearing | Pre-Lubricated Low-Friction Performance | 100×150×24 mm

The 6020-ZZ is a high-precision, deep groove ball bearing characterized by its slim cross-section and dual-sided metal shielding. Unlike open bearings, the 6020-ZZ comes factory-packed with high-quality lithium grease, providing a "lubricated for life" solution that excels in environments where external lubrication is impractical. With a substantial 100mm bore and a streamlined 150mm outer diameter, this bearing offers an optimal balance between load capacity and space-saving design, making it a staple for large-scale electric motors and rotating industrial assemblies.

6020-ZZ Deep Groove Ball Bearing 100x150x24 mm | Double Metal Shields | Maintenance-Free Design

Engineered for reliability and longevity, this shielded configuration protects the internal raceways from dust, debris, and contaminants while effectively retaining the internal lubricant. The non-contact metal shields ensure that the bearing maintains a high limiting speed, nearly matching that of open variants but with the added benefit of reduced maintenance intervals. It is the preferred choice for engineers looking for a "fit and forget" component in complex mechanical systems.

 

6020-ZZ Shielded Deep Groove Ball Bearing | Pre-Lubricated Low-Friction Performance | 100×150×24 mm

Comprehensive Applications

The 6020-ZZ is specifically designed for large-bore machinery requiring high rotational stability and protection from environmental particulates:

Power & Electrical Equipment
  • Industrial-Grade Electric Motors (Large Frame)
  • High-Capacity Power Generators
  • Renewable Energy Turbines
  • Electric Vehicle (EV) Drive Units
Automated Manufacturing
  • Textile Spinning and Weaving Machinery
  • Automated Material Handling Conveyors
  • Paper Processing and Printing Presses
  • Robotic Articulations and Rotary Tables
Heavy-Duty Fluid & Air Handling
  • Large Industrial Exhaust Fans
  • Centrifugal Blowers and Aerators
  • High-Pressure Commercial Pumps
  • Water Treatment Agitators

Key Performance Features

01. Dual-Shielded Protection (ZZ)

The precision-engineered steel shields are secured to the outer ring, creating a narrow gap with the inner ring. This design prevents the ingress of dry contaminants and retains the grease even under continuous horizontal or vertical operation.

02. Optimized 6000 Series Geometry

As part of the extra-light series, the 6020-ZZ provides a large bore diameter relative to its outer diameter. This allows for the use of stronger, stiffer shafts without significantly increasing the overall housing size of the machine.

03. Premium Heat-Treated Chrome Steel

Forged from high-carbon GCr15 (SAE 52100) steel, our bearings undergo rigorous heat treatment to achieve a Rockwell hardness of HRC 60-65. The finely honed raceways minimize vibration (V1/V2 levels) and ensure silent operation at high RPMs.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 6000 Series (Extra Light Series)
Basic Designation 6020
Suffix ZZ (Double Sided Metal Shields)
Bore Diameter (d) 100 mm
Outer Diameter (D) 150 mm
Width (B) 24 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class ABEC-1 (Standard) / P6 or P5 (Available)
Cage Material Pressed Steel Cage
Dynamic Load Rating (Cʳ) 60.5 kN
Static Load Rating (C₀ʳ) 54.2 kN
Limiting Speed (Grease) 4,300 r/min
Limiting Speed (Oil) --
Weight (approx.) 1.25 kg

Interchange Part Numbers

This 6020-ZZ bearing is a direct dimensional replacement for the following global brands:

  • SKF: 6020-2Z
  • NSK: 6020ZZ
  • FAG: 6020-2Z
  • NTN: 6020ZZ
  • KOYO: 6020ZZ
  • Timken: 6020ZZ

Design & Configuration

The 6020-ZZ is engineered for high-performance applications where space is at a premium but high shaft rigidity is required. As a key member of the extra-light 6000 series, it features a slim cross-section that allows for larger shaft diameters without necessitating a bulky housing. The dual-sided metal shields (ZZ) are precision-pressed into the outer raceway, creating a non-contact labyrinth seal that retains high-grade factory-packed grease for a maintenance-free "lubricated for life" experience. This design minimizes frictional drag, ensuring the bearing maintains exceptional thermal stability and speed ratings in automated production lines and large-scale power transmission systems.

"Optimize your large-bore assemblies with the 6020-ZZ—the ultimate space-saving solution for high-speed, maintenance-free industrial rotation."

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