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TFL BEARINGS
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Drawn Cup Needle Roller Bearings BK4520

Drawn Cup Needle Roller Bearings BK4520

The BK4520 is a drawn cup needle roller bearing with a 45mm bore and 52mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 607 lbf and operates smoothly at speeds up to 5900 RPM.
Its open, single-row design with a press-fit shaft mount ensures easy installation, while the steel cage provides durability. The bearing requires regular lubrication for optimal use.
Suitable for temperatures from -20°C to 110°C, this model is interchangeable with INA bearings, making it a practical choice for replacements. Ideal for applications like automotive components or machinery where space is limited.
Compliant with RoHS standards, it’s a dependable option for radial load scenarios. Its compact width of 20mm fits neatly into tight spaces.

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Product Parameters

  • Part Number BK4520
  • Brand TFL
  • Interchangeable INA
  • Bore Dia 45 mm
  • Bore Dia Tolerance +25°Cm-+50°Cm
  • Outer Dia 52 mm
  • Outer Dia Tolerance Not Rated
  • Width 20 mm
  • Width Tolerance -0.3mm to 0mm
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Needle
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Open
  • Series Closed End
  • Ring Material Steel
  • Ball Material Steel
  • Cage Material Steel
  • Dynamic Radial Load 607 lbf
  • Static Radial Load 13264 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 5900 rpm
  • Weight 72 g
Drawn Cup Needle Roller Bearings BK4520 dimension drawing
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Features

What Makes BK4520 Bearing Suitable for High-Temperature Applications?
BK4520 Bearing is crafted from high-quality steel, ensuring durability and resistance to wear.
Its closed-end design enhances stability, making it ideal for high-speed applications up to 5,900 rpm.
The bearing handles dynamic radial loads up to 607 lbf, providing reliable performance under stress.
With a temperature range of -20 to 110°C, BK4520 Bearing performs well in varied environments.
Its press-fit shaft mount simplifies installation, reducing downtime and maintenance efforts.
The open seal type allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of BK4520 Bearing
BK4520 Bearing is commonly used in industrial gearboxes, where its compact design and high radial load capacity make it ideal for tight spaces. The steel construction ensures durability even in demanding environments.
Where Is BK4520 Bearing Used?
You’ll often find BK4520 Bearing in automotive transmissions, where its press-fit design provides a secure and stable connection. It handles high speeds well, making it suitable for performance vehicles.
Built for Heavy-Duty Use: BK4520 Bearing
In conveyor systems, BK4520 Bearing excels due to its ability to handle significant radial loads. The open seal type allows for easy lubrication, extending its service life.
Medical vs Industrial: Where BK4520 Bearing Excels
While BK4520 Bearing isn’t typically used in medical devices, it shines in industrial applications like printing machinery. Its steel cage and rollers offer reliable performance under continuous use.
Automotive vs Aerospace: Applications of BK4520 Bearing
BK4520 Bearing is more common in automotive applications, such as steering systems, than in aerospace. Its metric sizing and press-fit design make it a versatile choice for vehicle components.

Q&A

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