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Knorr Bremse Truck & Trailer Calipers

Knorr Bremse Truck & Trailer Calipers

 

An Introduction to Knorr Bremse Brake Calipers

When it comes to ensuring safety and reliability in heavy-duty braking systems, Knorr Bremse stands at the forefront of innovation and engineering excellence. Among its impressive lineup of braking components, Knorr Bremse calipers have garnered widespread acclaim for their performance and durability. In this article, we delve into the intricacies of Knorr Bremse calipers, shedding light on their evolution and application across various wheel sizes.

Evolution of Knorr Bremse Truck Calipers: SB to SN to SK

Within the Knorr Bremse brake caliper range, there are three prominent types: SB, SN, and SK. The SB range, initially a two-piece caliper, has since evolved into the SN range, which now features one-piece calipers, also known as Monoblock calipers. The SK caliper, on the other hand, is specifically designed for trailer applications with 22.5” wheels, offering specialized performance tailored to this segment of the market.

The transition from the SB to SN calipers marks a significant advancement in design and functionality. With the SN range, Knorr Bremse has streamlined its caliper offerings, reducing over 1900 OE fitted disc calipers to just 116 part numbers. This rationalization not only simplifies inventory management but also enhances compatibility and interchangeability across different applications.

Identifying Knorr Bremse Brake Calipers

It's essential to accurately identify the caliper fitted to a vehicle when ordering replacement parts. While the SN and SK brake calipers have been designed to replace the earlier SB calipers, they may not always feature identical components.  

Therefore, understanding the specific caliper model and its corresponding wheel size is vital for ensuring compatibility and optimal performance.

Truck Calipers types

Application by Wheel Size

Knorr Bremse brake calipers cater to different wheel sizes, offering tailored solutions for various braking requirements:

  • 17.5” Wheels: SB5 and SN5 brake calipers feature a single piston and are typically used with 335mm brake discs.
  • 19.5” Wheels: SB6 and SN6 brake calipers boast twin pistons and are commonly paired with 377mm brake discs.
  • 22.5” Wheels: SB7, SN7, and SK7 brake calipers, equipped with twin pistons, are designed for use with 430mm brake discs.

Additionally, both axial and radial calipers are available within the Knorr Bremse lineup, providing flexibility and adaptability to suit different vehicle configurations and performance requirements.

SB Caliper - SN Caliper

Knorr Bremse calipers exemplify precision engineering and cutting-edge technology, offering unparalleled performance and reliability in heavy-duty braking applications. With a comprehensive range catering to diverse wheel sizes and configurations, Knorr Bremse continues to set the standard for safety and efficiency in the commercial vehicle industry.

 

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