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60 Series
Home Deep Groove Ball Bearings 60 Series

6012-ZZ Metal Shielded Deep Groove Ball Bearing | Low Friction Design | 60×95×18 mm

6012-ZZ Metal Shielded Deep Groove Ball Bearing | Low Friction Design | 60×95×18 mm

The 6012-ZZ is an industrial-standard, Double Metal Shielded Single-Row Deep Groove Ball Bearing engineered for high-speed efficiency and internal protection. Designed for applications where heat dissipation and minimal friction are critical, it utilizes dual non-contact steel shields (ZZ) to retain lubricant while allowing for higher rotational limits compared to rubber-sealed variants. With a 60 mm bore, 95 mm outer diameter, and 18 mm width, this unit belongs to the 6000 "Extra Light" ISO series, providing a compact radial profile ideal for space-constrained assemblies without sacrificing load support.

6012-ZZ  Deep Groove Ball Bearing 60×95×18 mm | ISO 6000 Series – Extra Light | Double Metal Shields (Non-Contact)

Built with optimized raceway geometry and hardened rolling elements, the 6012-ZZ delivers reliable operation in environments where moderate debris protection is required alongside high RPM performance. The metal shield design reduces torque loss, making it suitable for electric motors and transmission systems where energy efficiency is paramount. Capable of managing substantial radial forces and bidirectional axial loads, this bearing is a preferred choice for internal drivetrain components and high-cycle machinery.

6012-ZZ Metal Shielded Deep Groove Ball Bearing | Low Friction Design | 60×95×18 mm

Comprehensive Applications

The 6012-ZZ serves as a critical component across industries demanding precise rotation and compact bearing sections:

Material Handling & Conveyors
  • Roller Conveyor Idlers
  • Packaging Machine Drive Rolls
  • Sorting System Wheels
  • Light Duty Gear Reducers
Home Appliances & HVAC
  • Washing Machine Transmission
  • Air Conditioner Compressor Motors
  • Vacuum Cleaner Turbines
  • Dryer Drum Rollers
Electric Motors & Generators
  • Alternator Rear Supports
  • Cooling Pump Impellers
  • AC/DC Motor Armatures
  • Industrial Fan Spindles
Automotive & Transmission Systems
  • Gearbox Input Shafts
  • Clutch Release Mechanisms
  • Pulley Systems for Engines
  • Electric Vehicle Drive Units

Key Performance Features

01. High-Speed Capability (ZZ Configuration)

Unlike contact seals, the 6012-ZZ utilizes pressed steel shields that do not touch the inner ring. This non-contact arrangement minimizes friction heat, allowing for higher limiting speeds and better suitability for continuous high-RPM operations.

02. Compact Radial Design (6000 Series)

As part of the "Extra Light" series, the 6012 offers a thinner cross-section compared to the 6200 or 6300 series for the same bore size. This design facilitates installation in machinery where radial space is limited but structural reliability is still required.

03. Long-Life Factory Lubrication

Sealed with premium grease during assembly, the dual shields effectively keep contaminants out while preventing lubricant escape. This design ensures consistent performance over extended periods, reducing the need for frequent maintenance intervals in sealed units.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 60 Series – Extra Light Duty
Basic Designation 6012
Suffix ZZ (Double Metal Shields)
Bore Diameter (d) 60 mm
Outer Diameter (D) 95 mm
Width (B) 18 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard (P0) / P6 or P5 Available Upon Request
Cage Material Riveted Steel Cage
Dynamic Load Rating (Cʳ) 31.5 kN
Static Load Rating (C₀ʳ) 29.0 kN
Limiting Speed (Grease) 7,500 - 8,000 r/min
Limiting Speed (Oil) 9,000 r/min
Weight (approx.) 0.29 kg

Interchange Part Numbers

Compatible equivalents from leading global manufacturers:

  • SKF: 6012-2Z
  • NSK: 6012ZZ
  • FAG6012-2ZR
  • NTN: 6012ZZ
  • KOYO: 6012ZZ
  • Nachi: 6012-2NSE
  • TIMKEN: 6012ZZ

Design & Configuration

The 6012-ZZ incorporates stamped steel shields secured within the outer ring groove. While the standard configuration utilizes CN (Normal) internal clearance, C3 (Increased Clearance) options are recommended for motor applications where thermal expansion occurs during high-speed runs. For environments requiring protection against water or heavy dust, the rubber-sealed (2RS) version is available as an alternative in our inventory.

"The 6012-ZZ offers an optimal balance of speed and capacity, delivering a low-friction solution for modern machinery where efficiency and compact design drive performance."

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