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60 Series
Home Deep Groove Ball Bearings 60 Series

608 ZZ Deep Groove Ball Bearing for Skate Wheels | 8x22x7 mm

608 ZZ Deep Groove Ball Bearing for Skate Wheels | 8x22x7 mm

The 608-ZZ is a Premium Deep Groove Ball Bearing engineered for versatile and durable performance in a wide range of applications. Featuring double metal shields (ZZ) on both sides, this popular metric bearing provides reliable protection against dust and contaminants while ensuring low-friction operation. With a standard 8mm bore, it is a universal choice for skate wheels, electric motors, small machinery, and various mechanical assemblies requiring a robust and compact bearing solution.

608 ZZ Deep Groove Ball Bearing 8x22x7 mm | Standard Series | Double Shielded

A widely used precision bearing built with the universal deep groove geometry. Designed for reliable performance at speeds up to 30,000 r/min (Oil). The 608-ZZ premium ball bearing is capable of supporting moderate radial and axial loads, making it a highly versatile and dependable component for hobby, industrial, and commercial equipment.

608 ZZ Deep Groove Ball Bearing Double Shielded Premium Miniature Bearing

Comprehensive Applications

Ideally suited for a broad spectrum of equipment:

Hobby, Sport & Consumer
  • Inline Skate & Skateboard Wheels
  • Fidget Spinners & Toys
  • RC Model Car & Truck Wheels
  • Bicycle Components
Electric Motors & Drives
  • Small DC & AC Motors
  • Fan & Blower Motors
  • Power Tool Motors (Drills, Saws)
  • Appliance Motors
Industrial & Machinery
  • Conveyor Rollers & Idlers
  • Material Handling Equipment
  • Packaging Machinery
  • Agricultural Equipment
Office & Home Appliances
  • HVAC Fan Motors
  • Vacuum Cleaner Wheels
  • Treadmill Rollers
  • Dishwasher Spray Arms

Key Performance Features

01. Design & Protection

The dual non-contact pressed steel shields offer effective two-sided protection against airborne dust and particulate matter. This common shield design helps to retain lubrication for longer service life while adding minimal rotational resistance.

02. Versatile & Robust Build

As a standard-size bearing, the 608-ZZ offers a great balance of load capacity and compact dimensions. Its robust construction ensures dependable performance in both light-duty and demanding applications.

03. Smooth & Reliable Operation

Manufactured to standard industrial tolerances for consistent quality (up to P5 precision grades). Its reliable deep groove design facilitates smooth rotation, making it suitable for applications ranging from high-speed spindles to conveyor rollers.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series Standard Series
Basic Designation 608
Suffix ZZ (Both sides with steel shields)
Bore Diameter (d) 8 mm
Outer Diameter (D) 22 mm
Width (B) 7 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Pressed Steel Ribbon
Dynamic Load Rating (Cʳ) 4.10 kN
Static Load Rating (C₀ʳ) 1.96 kN
Limiting Speed (Grease) 24,000 r/min
Limiting Speed (Oil) 30,000 r/min
Weight (approx.) 11.5 g

Interchange Part Numbers

Direct replacement for:

  • SKF: 608-2Z
  • NSK: 608 ZZ
  • FAG: 608-ZZ
  • NMB: MR108ZZ
  • NTN: 608ZZ

Design & Configuration

The 608-ZZ is furnished with double pressed steel shields as standard. For applications requiring protection against moisture or where lower torque is critical, configurations with non-contact rubber seals (608-2RS) or other specialty variants are available.

"For applications like inline skates or electric fans, the standard 608-ZZ offers an ideal balance of protection and performance."

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