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62 Series
Home Deep Groove Ball Bearings 62 Series

6222 Open Deep Groove Ball Bearing for High-Speed Industrial Machinery | 110×200×38 mm

6222 Open Deep Groove Ball Bearing for High-Speed Industrial Machinery | 110×200×38 mm

Designed to deliver a perfect balance of rotational speed capability and robust load support, the 6222 is a highly versatile single row deep groove ball bearing featuring an open, seal-free architecture. Because it lacks external shields or seals, this unsealed bearing permits the unrestricted, continuous flow of lubricants directly into the ball and raceway assembly. This characteristic makes it an indispensable component for enclosed mechanical systems—such as high-output electric motors and oil-lubricated gear transmissions—where active oil circulation is crucial for dissipating heat and maintaining peak operational efficiency.

6222 Deep Groove Ball Bearing 110x200x38 mm | Optimized Speed-to-Load Ratio | Unsealed (Open) Design

Manufactured to stringent ISO specifications, the 6200 series represents the industry's most widely utilized class of standard deep groove ball bearings. It offers an optimized cross-section that provides excellent load accommodation without the added bulk and weight of the heavier 6300 or 6400 series. The unsealed configuration operates with zero friction from sealing elements, significantly boosting maximum rotational speeds and allowing for rapid thermal transfer through circulating lubrication systems. As a result, the 6222 serves as a highly efficient core component for machinery operating at elevated speeds under moderate-to-heavy loads.

6222 Open Deep Groove Ball Bearing for High-Speed Industrial Machinery | 110×200×38 mm

Comprehensive Applications

Specifically configured for high-efficiency, enclosed machinery environments:

Industrial Fluid & Air Handling
  • Large-scale centrifugal water pumps
  • High-volume industrial exhaust blowers
  • Commercial HVAC fan drive systems
Electric Motors & Generators
  • Large industrial AC/DC motor shafts
  • Heavy-duty industrial alternators
  • High-speed commercial generator drives
Power Transmission & Manufacturing
  • Main shafts in enclosed gear reducers
  • Automated manufacturing conveyor systems
  • High-speed textile machinery drives
General Processing Equipment
  • Paper and pulp processing rollers
  • Heavy-duty industrial mixing equipment
  • Commercial printing press cylinders

Key Performance Features

01. Frictionless, Open Architecture

The unsealed design maximizes rotational efficiency by completely eliminating parasitic seal drag. In addition to preventing overheating, this open pathway allows high-viscosity gear oils to flow freely, continuously flushing away microscopic metallic wear particles when integrated into machinery with filtered oil systems.

02. Optimized Speed-to-Load Geometry

Measuring 110mm on the bore and 200mm on the outer diameter, the 6222 features precisely honed raceways perfectly proportioned to handle substantial radial capacities and moderate bi-directional axial loads. Its streamlined geometry allows it to maintain structural integrity while operating at much higher speeds than heavier series bearings.

03. Premium GCr15 Chrome Steel Construction

Forged from high-purity, vacuum-degassed chrome steel (GCr15), both the rings and rolling elements undergo advanced heat treatment processes. This guarantees superior metallurgical hardness and exceptional fatigue resistance, resulting in a prolonged service life even under continuous, demanding industrial use.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 6200 Series (Medium Duty / Metric)
Basic Designation 6222
Suffix None (Open / Unsealed)
Bore Diameter (d) 110 mm
Outer Diameter (D) 200 mm
Width (B) 38 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Shield Design None (Open / Unsealed)
Dynamic Load Rating (Cʳ) 153.0 kN
Static Load Rating (C₀ʳ) 118.0 kN
Limiting Speed (Grease) 3,800 r/min
Limiting Speed (Oil) 4,500 r/min
Weight (approx.) 3.95 kg

Interchange Part Numbers

Seamlessly replaces the following manufacturer part numbers:

  • SKF/FAG: 6222
  • NSK: 6222
  • KOYO: 6222
  • NTN: 6222

Design & Configuration

As a standard open bearing, the 6222 is supplied coated in a protective anti-rust preservative oil. Please note: This preservative is not a permanent lubricant. The bearing must be properly packed with the appropriate grease or integrated into an active oil-lubricated system prior to operation. If your specific application is exposed to high levels of dust, moisture, or external contaminants, please consult our Welink Bearing engineering team to discuss customized sealed or shielded alternatives (such as the 6222-2RS or 6222-ZZ).

"Combining frictionless rotation with robust structural integrity, the 6222 open bearing delivers reliable, high-speed performance for advanced industrial machinery."

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