6-5.5" Bolt Circle 5,200 lbs. TruRyde® Trailer Axle Electric Brake Kit with Timken Bearings - BK13ELE-TK

The 6-5.5" Bolt Circle 5,200 lbs. TruRyde® Trailer Axle Electric Brake Kit with Timken Bearings (Part #BK13ELE-TK) is a complete high-performance brake and hub/drum assembly designed for 5,200 lb. trailer axles. This kit includes premium Timken® bearings for superior durability and smooth operation.

Key Features

• Part Number: BK13ELE-TK
• Bolt Circle: 6 on 5.5"
• Capacity: 5,200 lb. trailer axles
• Hub/Drum: 12" hub/drum with 6 studs on 5.5" bolt circle
• Brakes: Pair of 12" x 2" Electric Brake Assemblies
• Bearings: Premium Timken® 25580 inner and Timken® 15123 outer bearings
• Spindle: 42 Spindle
• Brand: TruRyde®

This kit includes a pair of 12" hub/drums with Timken bearings, grease seals, grease caps, ultra lube grease caps, spindle washers, spindle nuts, cotter pins, tang washers, and lug nuts. It also comes with a pair of 12" x 2" electric trailer brake assemblies (left and right) with 5-hole mounting and all necessary mounting hardware. The brakes are fully assembled with shoes, springs, and magnets attached and ready to install. Compatible with Al-Ko, Dexter, Quality, and other popular trailer axles with five-hole brake flanges.

Ideal for heavier utility trailers, cargo trailers, horse trailers, and other 5,200 lb. single or tandem axle applications requiring strong, reliable braking performance.

Questions about compatibility with your axle? Call our trailer experts at 1-800-866-3336.

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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:

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.