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67 Series
Home Deep Groove Ball Bearings 67 Series

6701-ZZ Thin-Section Deep Groove Ball Bearing For Small Fans | 12×18×4 Mm

6701-ZZ Thin-Section Deep Groove Ball Bearing For Small Fans | 12×18×4 Mm

The 6701-ZZ is a Thin-Section Double-Shielded Deep Groove Ball Bearing engineered for applications where radial space is extremely limited. Featuring the standard deep groove raceway design with a remarkably low cross-section, this bearing provides reliable radial load support in a compact form factor. With a 12 mm bore and only 4 mm width, and equipped with double metal shields (ZZ), it is an ideal solution for small fans, office machinery, precision instruments, and other compact assemblies where minimizing overall dimensions is critical, without compromising on protection or performance.

6701-ZZ Deep Groove Ball Bearing 12x18x4 mm | Thin Series | Double Metal Shields (ZZ)

A specialized thin-series bearing utilizing the universal deep groove geometry. Designed for smooth and quiet operation at speeds up to 30,000 r/min (Grease). The 6701-ZZ offers a space-saving design with integrated shielding, making it a preferred component for compact mechanisms requiring reliable, low-profile bearing support.

6701-ZZ Thin-Section Deep Groove Ball Bearing For Small Fans | 12×18×4 Mm

Comprehensive Applications

Suited for compact devices and applications with strict space constraints:

Small Fans & Ventilation
  • CPU and Chipset Cooling Fans

  • Small Blower and Exhaust Fan Motors

  • Electronics Cabinet Cooling Modules
  • Ventilation Fan Spindles
Office & Business Equipment
  • Printer and Scanner Paper Feed Rollers
  • Copier and MFP Mechanism Guides
  • Small Motor Drives in Office Machines
  • Fuser Roller Supports
Precision Instruments & Controls
  • Instrument Panel Meter Movements

  • Potentiometer and Control Knob Axles
  • Light Duty Servo Mechanism Guides
  • Sensor and Gauge Rotating Elements
General Compact Machinery
  • Textile Machine Thread Guides
  • Low-Load Conveyor Guide Wheels
  • Packaging Machine Feed Mechanisms
  • Automotive Interior Actuators (vents, controls)

Key Performance Features

01. Ultra-Low Profile Design

The thin-series (67-series) construction provides full bearing functionality in a minimal axial width, saving critical space in compact assemblies while maintaining adequate radial load capacity for light-duty applications.

02. Integrated Shielded Protection

Comes standard with double metal shields (ZZ), offering effective protection against dust and debris ingress. This design is ideal for applications where re-lubrication is not feasible and a sealed-for-life unit is required.

03. Smooth Operation in Confined Spaces

Manufactured to standard tolerances for thin-section bearings. The precision components ensure smooth, low-noise rotation, providing reliable performance even in space-constrained environments where heat dissipation and airflow may be limited.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 67 Series – Thin Series
Basic Designation 6701
Suffix Double Metal Shield (ZZ)
Bore Diameter (d) 12 mm
Outer Diameter (D) 18 mm
Width (B) 4 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Pressed Steel or Nylon (Standard)
Dynamic Load Rating (Cʳ) 1.38 kN
Static Load Rating (C₀ʳ) 0.56 kN
Limiting Speed (Grease) 30,000 r/min
Limiting Speed (Oil) 38,000 r/min
Weight (approx.) 5 g

Interchange Part Numbers

Direct replacement for:

  • Generic: 6701ZZ, 6701-2Z
  • NSK: 6701ZZ
  • NTN: 6701LLU

Design & Configuration

The 6701-ZZ is supplied as a pre-lubricated, double-shielded thin-section bearing. The metal shields provide a cost-effective barrier against particulate contamination. For applications requiring different sealing or an open design for custom lubrication, consult factory for availability.

"For cooling fans, office equipment, and any design where a low axial profile is essential, the 6701-ZZ provides a reliable, shielded bearing solution. Its thin cross-section solves space challenges without sacrificing basic bearing performance and protection."

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Request a Quote for Ball Bearings

Request a Quote for Ball Bearings
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