626 Z Deep Groove Ball Bearing Single Shielded Miniature Bearing | 6x19x6 mm12

The 626 Z is a Premium Miniature Deep Groove Ball Bearing engineered for high-speed precision applications. Featuring a single metal shield (Z), this metric bearing balances protection against debris with low-friction performance. With a 6mm bore, it is ideal for small motors, power tools, and precision instrumentation requiring a compact footprint.



626 Z Deep Groove Ball Bearing 6x19x6 mm | ISO 62 Series – Light | Single Shielded

Premium miniature precision bearing featuring the universal deep groove geometry. Engineered for high-speed performance up to 40,000 r/min (Oil). The 626 Z is capable of supporting significant radial loads and moderate axial loads, making it ideal for precision instrumentation and electric motors.

626 Z Miniature Deep Groove Ball Bearing 6x19x6mm - Single Metal Shielded Radial Bearing for High Speed Motors

Key Performance Features

01. Design & Protection

The single, non-contact steel shield is an effective solution for excluding larger particulate matter and protecting the bearing's internal components in challenging environments. It aids in grease retention while ensuring minimal friction.

02. Superior Load Capacity (Light Series)

The light series design offers enhanced radial load-carrying capability (Dynamic: 4.05 kN) within a compact envelope. The universal geometry also supports moderate axial loads from both directions.

03. High-Speed & Precision

Produced to standard industrial tolerances with availability up to P5 precision grades. Its optimised internal geometry ensures minimal friction and heat generation, allowing for exceptional rotational accuracy, rigidity, and smoothness.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 62 Series – Light
Basic Designation 626
Suffix Z (One side with steel shield)
Bore Diameter (d) 6 mm
Outer Diameter (D) 19 mm
Width (B) 6 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Pressed Steel Ribbon
Dynamic Load Rating (Cʳ) 4.05 kN
Static Load Rating (C₀ʳ) 1.76 kN
Limiting Speed (Grease) 32,000 r/min
Limiting Speed (Oil) 40,000 r/min
Weight (approx.) 9.5 g

Interchange Part Numbers

Direct replacement for:

  • SKF: 626-Z
  • NSK: 626 Z
  • FAG: 626-ZR
  • NMB: R-1960Z
  • NTN: 626Z

Design & Configuration

The 626 Z features a single pressed steel shield. However, we understand different environments require different protection levels.

"For applications requiring complete isolation, we offer configurations with double shields (626ZZ) or low-friction rubber seals (626-2RS)."

Download Product Catalog (PDF)

Comprehensive Applications

Ideally suited for a broad spectrum of precision and industrial equipment:

High-Speed Spindles & Medical
  • Dental & Surgical Handpieces
  • Precision Drills
  • Small Grinding Spindles
  • Laboratory Centrifuges
Electric Motors & Automotive
  • High-Performance Micro-Motors
  • Servo Motors & Encoders
  • Advanced Fuel Pumps
  • Idle Control Valves
Precision Machinery & Robotics
  • Robotic Arm Joints
  • CNC Tool Changers
  • Optical Scanners
  • Measuring Instruments
Consumer Goods
  • High-end Fishing Reels
  • Vacuum Cleaner Brush Rolls
  • RC Cars & Helicopters
  • Office Automation (Printers)

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