Description
The 6-5.5″ Bolt Circle 3,500 lbs. TruRyde® Trailer Axle Electric Brake Kit with Timken® Bearings (Part BK655ELE-TK) is a complete premium brake kit designed for 3,500 lb. trailer axles. This kit features high-quality Timken® bearings for smooth operation and TruRyde® electric brakes for reliable, strong stopping power.
Key Features
- Part Number: BK655ELE-TK
- Capacity: For 3,500 lb. Trailer Axles
- Bolt Circle: 6 on 5.5″
- Brakes: 10″ x 2.25″ Electric Brake Assemblies
- Bearings: Genuine Timken® Bearings
- Brand: TruRyde®
Pair of 10″ hub/drum 6 studs 5.5″ bolt circle using Timken L68149 inner and Timken L44649 outer bearing. Contains inner bearings, outer bearings, grease seals, grease caps, ultra lube grease caps, spindle washers, spindle nuts, cotter pins, tang washers, and lug nuts. (84 Spindle) Pair of 10″ x 2.25″ electric trailer brake assemblies with parts. 4 Hole Mounting. For Alko, Dexter, Quality, or other popular trailer axle manufacturers. Only works on 3,500 lbs. trailer axles with four-hole brake flange. Includes mounting hardware. These are fully assembled backing plates with shoes, springs, and magnets attached and ready to be mounted. The pair includes one left hand and one right hand brake assembly.
This TruRyde electric brake kit comes complete with pre-assembled brake assemblies, hubs/drums, Timken® bearings, seals, grease caps, spindle hardware, and lug nuts. It is an excellent choice for upgrading or replacing brakes on 3,500 lb. axles with a 6-5.5″ bolt circle.
Questions about this brake kit or compatibility with your trailer axle? Call our trailer experts at 1-800-866-3336.
Browse more Electric Brake Kits.
| Part No | Quantity | Description |
| RVD-U-655 | 2 | TruRyde® 6-5.5″ 10″ Hub and Drum |
| BK-10E-01 | 1 | TruRyde® 10″x2.25″ Left Hand Electric Brake |
| BK-10E-02 | 1 | TruRyde® 10″x2.25″ Right Hand Electric Brake |
| 716LW | 8 | 7/16″ Lock Washer |
| 716NFN | 8 | 7/16″ Fine Hex Nut |
| DC-198 | 2 | 1.98″ Dust Cap |
| FS622P | 2 | 1.98″ Lube Dust Cap with Rubber Plug |
| TW100 | 2 | 1″ Tang Washer |
| A1W | 2 | 1″ Spindle Washer |
| FA-SN100 | 2 | 1″-14 Spindle Nut |
| 18X134CP | 2 | Cotter Pin |
| L68149 | 2 | Timken® Inner Bearing |
| L44649 | 2 | Timken® Outer Bearing |
| GS-1719DL | 2 | 1.719″ ID Double Lip Grease Seal |
| X1023R | 12 | 1/2″-20 Lug Nut 60 Degree 13/16″ WAF |
QAI Certification Testing Standards for Trailer Brakes
QAI Laboratories is an independent, accredited third-party testing and certification organization. QAI certification provides assurance that trailer brakes have been rigorously tested to meet recognized safety and performance standards.
Primary Standards for Trailer Brakes
- CAN3-D313-M85 (R2012) — Canadian standard for Trailer Running Gear (axles, brakes, and suspension)
- CSA Z240 — Recreational Vehicles and Manufactured Housing standard
- FMVSS / CMVSS — Federal Motor Vehicle Safety Standards (U.S. and Canada) for braking performance
- UL Electrical Standards — Testing of brake magnets, wiring, and electrical components
What QAI Tests
- Braking performance and stopping power
- Electrical current draw and magnet strength
- Resistance to water, dust, heat, and corrosion
- Mechanical durability and long-term wear
- Self-adjusting mechanism performance (when applicable)
- Safety labeling and traceability
Trailer brakes that carry the QAI Certified mark (including many TruRyde® and Lippert® models) have been independently verified to meet these strict standards, giving you confidence in safety and reliability.
QAI Certified Trailer Brake Brands (Industry-Wide)
QAI Laboratories is a respected independent testing and certification organization. Below is the current status of major trailer brake brands regarding QAI certification:
| Brand | QAI Certified | Notes |
|---|---|---|
| TruRyde® | Yes | Most models are QAI Certified — Southwest Wheel’s primary brake line |
| Lippert® | Yes | Many electric and hydraulic brake assemblies are QAI Certified |
| UFP | Yes | Especially strong on hydraulic disc brake systems |
| Kodiak | Yes (Select Models) | Many disc brake kits carry QAI certification |
| Dexter® | Limited / Not Commonly Advertised | Focuses on internal testing and FMVSS compliance |
| Generic / Chinese Brands | Very Rarely | Most low-cost imported brakes sold on marketplaces do not carry QAI certification |
Note: QAI certification is a strong indicator of independent safety and performance testing. Always verify current certification status on specific part numbers when safety is critical.
