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Single Row Angular Contact Ball Bearings 7304 BECBY

Single-row angular contact ball bearings: these bearings have a single row of balls and can withstand axial load in one direction. Mainly used in high-speed spindles, motor motors, turbines and separators, and other equipment.

Product Number: 7304 BECBY

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  • Description
  • Features
  • Application
  • Interchange
Product Number 7304 BECBY
Bore dia 20 mm
Outer dia 52 mm
Width 15 mm
Seal Type Open
Contact Angle 40°
Material 52100 Chrome Steel
Dynamic Radial Load 19 kN
Static Radial Load 10 kN
Limiting speed 18000

Angular contact ball bearings have several advantages over other types of bearings. Some of these advantages include:

  • Simple structure: This type of bearing has a single row of balls, which can bear axial load in one direction.

  • High-speed operation: Angular contact ball bearings are designed for high-speed operation and are suitable for applications with relatively high limiting speeds.

  • Precision motion: Angular contact ball bearings are designed to provide precise motion, making them suitable for applications that require precision and repeatability.

  • Less frictional torque: Angular contact ball bearings can withstand radial and axial loads, making them versatile and suitable for a wide range of applications.

  • High load capacity: Angular contact ball bearings can withstand both radial and axial loads, making them suitable for heavy-duty applications.

  • Long service life: Angular contact ball bearings are designed to withstand high temperatures and high levels of vibration, ensuring a long service life.

  • Minimal maintenance: Angular contact ball bearings require minimal maintenance, making them ideal for applications where downtime must be kept to a minimum.


High rotational accuracy and low noise. Based on these advantages, angular contact ball bearings are the bearings of choice for high-speed, high-precision, low-noise precision bearings.


Application of single-row angular contact ball bearings


TFL single-row angular contact ball bearings are used in various applications requiring a high-speed operation, precision motion, and high load capacity. Some of the most common applications include:

Machine tool spindles
high-frequency motors
Combustion turbines
Centrifugal separators
Small car front wheels
differential pinion shaft
Booster pump
Drilling platform
Food Machinery
Indexing head
Patch welding machine
Low noise type cooling tower
Electromechanical equipment
Painting equipment
Machine tool channel plate
Arc welding machine


Use the tfl angular contact ball bearings interchange chart below to cross-reference bearing part numbers from different manufacturers.

The tfl angular contact ball bearings interchange chart is meant to be a quick cross-reference guide. If you’d like more detailed information like precision, matching, preload, and more part numbers, you can contact our sales staff by live chat or send an inquiry.

TFL Angular Contact Ball Bearings Interchangeable

Description TFL SKF FAG NSK NTN TIMKEN
Single-row angular contact ball bearings Light 72xxB 72xxB 72xxB 72xxB 72xxB 72xxWN
Medium 73xxB 73xxB 73xxB 73xxB 73xxB 73xxWN
Heavy 74xxB 74xxB 74xxB 74xxB 74xxB 74xxWN
Double-row angular contact ball bearings Light 32xxA 32xxA 32xx 52xx 52xx 52xx
Medium 33xxA 33xxA 33xx 53xx 53xx 53xx
Part Number Suffix 40° contact angle B B B B B WN
30° contact angle A A A A
25° contact angle AC AC A5
Non-contact seal -2RZ -2RZ 2RS LLM
Contact seal -2RS1 -2RS1 2RSR LLD
Shield on both sides -2Z -2Z 2Z ZZ DD




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