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Single Row Angular Contact Ball Bearings (General) 7228 BM
Single Row Angular Contact Ball Bearings (General) 7228 BM

Single Row Angular Contact Ball Bearings (General) 7228 BM

The 7228 BM is a single-row angular contact ball bearing with a 140mm bore and 250mm outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 44775 lbf and operates smoothly at speeds up to 3600 RPM.

With a 40° contact angle, it efficiently manages combined radial and axial loads. The brass cage enhances durability, while the open design simplifies lubrication and maintenance.

This bearing suits applications like pumps or gearboxes where precise angular contact is needed. It performs reliably in temperatures from -30°C to 110°C and meets P6 tolerance standards.

Weighing 8.85kg, it’s robust yet manageable for industrial use. Compliant with RoHS and REACH, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 7228 BM
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • Bearing Type Ball
  • Contact Angle 40°
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.018mm to 0
  • Outer Dia 250 mm
  • Outer Dia Tolerance -0.02mm to 0
  • Width 42 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 183.3 mm
  • External Diameter On Inner Ring (Small Side Face) 163.6 mm
  • Internal Diameter On Outer Ring 209.55 mm
  • Chamfer Dimension 3 mm
  • Distance Pressure Point (a) 103 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 44775 lbf
  • Static Radial Load 47700 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Max Speed 3600 rpm
  • Weight 8.85 kg

Features

Performance Features of 7228 BM Bearing

7228 BM Bearing is designed with a 40° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 44,775 lbf.

The brass cage ensures smooth operation, reducing friction and wear even at high speeds.
With a maximum speed of 3,600 rpm, it balances performance and longevity in demanding conditions.

7228 BM Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P6 tolerance class (ABEC-3) guarantees precision and reliability for industrial applications.

Application

Industrial Uses of 7228 BM Bearing
The 7228 BM Bearing is commonly used in heavy machinery, such as industrial pumps and compressors, where its angular contact design handles combined radial and axial loads effectively.
Its brass cage ensures smooth operation even under high-speed conditions, making it suitable for demanding environments.

What Makes 7228 BM Bearing a Preferred Choice?
In automotive applications, 7228 BM Bearing is often found in wheel hubs and transmissions, providing reliable performance under varying loads.
The P6 tolerance class ensures precision, which is essential for maintaining vehicle safety and efficiency.

Built for Heavy-Duty Use: 7228 BM Bearing
For automation systems, 7228 BM Bearing supports robotic arms and conveyor belts, where its chrome steel construction offers long-lasting durability.
The 40° contact angle allows it to manage both thrust and radial forces with ease.

Medical vs Industrial: Where 7228 BM Bearing Excels
While 7228 BM Bearing is robust enough for industrial gearboxes, its precision also makes it suitable for medical imaging devices requiring smooth rotation.
The lubricated design ensures minimal friction, which is crucial for sensitive equipment.

Practical Applications of 7228 BM Bearing
In consumer electronics, 7228 BM Bearing can be used in high-performance fans and printers, where quiet operation is a priority.
Its metric dimensions make it compatible with a wide range of devices, offering versatility across different industries.

Q&A

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