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62 Series
Home Deep Groove Ball Bearings 62 Series

6224-2Z Shielded Deep Groove Ball Bearing For Heavy Industrial Applications | 120×215×40 mm

6224-2Z Shielded Deep Groove Ball Bearing For Heavy Industrial Applications | 120×215×40 mm

The 6224-2Z is a Double Metal Shielded Single Row Deep Groove Ball Bearing engineered to deliver dependable performance in heavy-duty industrial machinery and power transmission equipment. Fitted with two non-contact metal shields (2Z) on both sides, it offers effective protection against larger particulate contamination while maintaining minimal frictional resistance for efficient operation. With a 120 mm bore and robust cross-section, this bearing is ideally suited for large electric motors, industrial pumps, heavy fans, and processing equipment operating in clean to moderately contaminated environments.

6224-2Z Deep Groove Ball Bearing 120×215×40 mm | ISO 62 Series – Medium | Double Metal Shielded

This heavy-duty bearing incorporates a deep groove raceway configuration engineered to support smooth operation at speeds reaching 3,400 r/min. It is designed to accommodate substantial radial loads and moderate bidirectional axial loads commonly encountered in industrial power transmission and material processing applications. The 6224-2Z represents a durable and versatile bearing solution for applications where reliable operation under heavy loads is essential, with metal shields providing protection without compromising speed capability in industrial environments.

6224-2Z Shielded Deep Groove Ball Bearing For Heavy Industrial Applications | 120×215×40 mm

Comprehensive Applications

Engineered for heavy-duty industrial applications across multiple sectors where load capacity and operational reliability are critical:

Industrial Power Transmission
  • Speed reducers & industrial gearboxes
  • Heavy-duty fans, blowers & industrial ventilation systems
  • Large electric motors & generators (Frame sizes above 280)
  • Industrial centrifugal pumps & compressors
Heavy Machinery & Processing Equipment
  • Paper mill machinery & processing lines
  • Rubber, plastics & chemical processing equipment
  • Machine tool main spindles & auxiliary drives
  • Heavy conveyor systems & bulk material handling
HVAC & Industrial Ventilation
  • Industrial exhaust systems & air handling units
  • Centrifugal compressors for refrigeration
  • Large commercial HVAC fan assemblies
  • Cooling tower fans & circulation pumps
Mining & Mineral Processing
  • Conveyor head & tail pulleys
  • Mineral processing & slurry pumps
  • Crushers & screening equipment
  • Vibratory screens & feeders

Key Performance Features

01. Precision-Ground for Smooth, Reliable Operation

Manufactured from high-quality chrome steel with precision-ground raceways, the 6224-2Z delivers consistently smooth running characteristics with minimal vibration. The bearing features a stamped steel cage for reliable ball guidance and is available with Normal (C0) internal clearance, suitable for most standard operating conditions.

02. Exceptional Load Carrying Capacity

The 6224-2Z, with its 120×215×40 mm dimensions, delivers substantial radial load capacity with dynamic load rating of 155 kN and static load rating of 131 kN . This robust construction ensures reliable performance in heavy industrial applications where consistent operation under significant loads is required.

03. Effective Contamination Protection

The double metal shield (2Z) configuration provides reliable exclusion of larger contaminants and debris while minimizing frictional torque. This design supports higher rotational speeds compared to contact seals, with grease lubrication permitting speeds up to 2,800-3,400 r/min depending on operating conditions.

 

04. Wide Operating Temperature Range

Engineered to perform across diverse industrial environments, the 6224-2Z operates reliably within a temperature range of -50°C to +150°C, accommodating thermal expansion and contraction in varying application conditions.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 62 Series – Medium
Basic Designation 6224
Suffix 2Z / ZZ (Double Metal Shields)
Bore Diameter (d) 120 mm
Outer Diameter (D) 215 mm
Width (B) 40 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class ABEC-1 (Standard), ABEC-3/5 Available
Cage Material Stamped Steel
Dynamic Load Rating (Cʳ) 155 kN 
Static Load Rating (C₀ʳ) 131 kN
Limiting Speed (Grease) 2,800 - 3,400 r/min
Limiting Speed (Oil) 4,300 r/min (Reference)
Weight (approx.) 5.11 - 5.62 kg

Interchange Part Numbers

Common manufacturer equivalents include:

  • SKF: 6224-2Z / 6224-ZZ 
  • NSK: 6224ZZ
  • FAG: 6224-2Z
  • NTN: 6224ZZ
  • KOYO: 6224ZZ
  • NKE: 6224-2Z
  • ZWZ: 6224-2Z
  • Old Designation80224

Design & Configuration

The standard configuration for the 6224-2Z includes double metal shields and factory-applied lithium-based grease. This design offers dependable protection for applications in relatively clean industrial environments where moderate to high speeds are required . For applications requiring enhanced sealing against moisture or fine particulate, the rubber-sealed version (6224-2RS) is available.

Mounting considerations: Minimum abutment shoulder diameter (da) is 132 mm, maximum housing shoulder diameter (Da) is 203 mm, with maximum fillet radius of 2.1 mm.

"Ideal for large electric motors, industrial pumps, and heavy machinery, the 6224-2Z ensures dependable long-term operation under substantial radial loads. Its effective shield protection against larger contaminants combined with high-speed capability makes it a preferred choice for maintenance professionals and OEMs seeking reliable performance in demanding industrial applications."

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