Description
Overview:
This brake drum assembly is designed to suit Knott-type trailer brake systems with a 200 mm drum. It provides the braking surface and hub interface for 4-stud trailer wheels on a 139.7 mm (5.5 inch) PCD. The unit features a 65 mm bore to match the specified hub spindle size and is set up for an M24 hub nut. It is a Non-Genuine compatible part referencing Indespension OEM No. ISBR206 and casting reference 414026, intended as a direct-fit replacement where these specifications are required. Typical construction is robust cast iron for the drum with steel studs to handle road and site use on trailers, plant carriers, and utility equipment. Suitable where a 4 x M12 stud pattern and Knott-pattern 200 mm brakes are specified for reliable, consistent braking performance.
Key Features:
- Drum diameter: 200 mm (7.87 inches)
- Pitch circle diameter: 139.7 mm (5.50 inches)
- Stud pattern: 4 stud, M12 threads
- Bore diameter: 65 mm (2.56 inches)
- Bearing specification: 311396, SFL (ball) type
- Hub nut thread size: M24
- Casting reference number: 414026
- Suits Knott-type 200 mm brake systems
- Compatible replacement for Indespension ISBR206
- Durable cast iron drum construction
- Steel wheel studs for secure clamping
- Designed for accurate fit and concentric running
- Supports stable braking under normal trailer loads
- Common 5.5 inch PCD for UK trailers
- For on-road and light site trailer applications
Typical Applications:
Used on road trailers, plant trailers, and general utility trailers equipped with Knott-type 200 mm brakes and a 4 x M12 stud pattern on 139.7 mm (5.5 inch) PCD. Fits axles requiring a 65 mm bore and M24 hub nut interface, providing a stable braking surface and wheel hub connection for towing duties.
Also known as:
Trailer brake drum, Knott pattern 200 mm drum, 4-stud 139.7 PCD hub drum, Indespension ISBR206 drum, 65 mm bore hub, 4 x M12 brake drum, 5.5 inch PCD trailer drum.
Product Specifications
| L&S Part No. | 210 140 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |
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