High-Precision BAQ3806AC 40x80x18mm Automotive Steering Gear Ball Bearings
| Item No : | BAQ3806AC / BAQ-3806 AC |
| Size (d*D*B) : | 40x80x18mm |
| Material : | Bearing Steel / Chrome Steel GCr15 |
| Lead Time : | 3-5 days |
| Weight : | 0.365KG |
| MOQ : | 10 pcs |
| Service : | Support Sample Testing |
⚙️Product Description:
The BAQ3806AC (40x80x18mm) is a specialized four-point contact angular contact ball bearing engineered specifically for automotive steering gearboxes and steering column assemblies. Designed with optimized gothic arch raceways, this compact 40mm bore bearing can accommodate high axial loads in both directions simultaneously with moderate radial forces, replacing two conventional angular contact bearings. Featuring exceptional stiffness and minimal axial play, it ensures crisp, lag-free steering response and high stability under vibration. We supply the BAQ3806AC bearing through our proprietary RMO brand while delivering tailored OEM direct-sourcing for global automotive manufacturers, steering system rebuilders, and commercial fleet suppliers.
⚙️Product Features:
- Bi-Directional Axial Load Capacity: Gothic-arch inner and outer raceways allow a single bearing to sustain heavy axial thrust in both left and right steering directions.
- Zero-Backlash Precision Steering: Strict internal radial and axial clearances prevent steering wheel wobble, providing smooth steering control and enhanced driver feel.
- Space-Saving Single-Row Design: Compact 40x80x18mm structure replaces complex double-bearing arrangements, significantly reducing steering gearbox weight and axial envelope.
- High Impact & Fatigue Resistance: Premium vacuum-degassed chrome steel construction endures road shock, continuous wheel oscillation, and heavy steering torque.
⚙️Product Application:
Built for critical steering stability and high axial thrust control, the BAQ3806AC bearing is widely utilized in:
- Electric Power Steering (EPS) gearboxes, rack-and-pinion systems, and manual steering racks.
- Commercial vehicle steering columns, heavy truck steering boxes, and bus steering assemblies.
- Agricultural machinery steering swivels, tractor steering axles, and forklift steering gears.
- Automotive steering system re-manufacturing, aftermarket repair, and OEM rack assemblies.
⚙️Precautions:
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
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⚙️Obtain Certificate:
About Rimao
Since its establishment in 2011, Rimao Bearing has combined international vision with local wisdom and injected innovative ideas into every bearing and pulley with its profound industry accumulation and unremitting pursuit of technology. We have not only passed CE and ROHS certification, but also set a new benchmark in the industry and led the development trend of the bearing industry.
We are not just a ball bearing and roller bearing importer and wholesaler. We provide real solutions to help you achieve the product and design goals set by your customers. With more than 20 years of production and sales experience, tens of thousands of models and specifications, we look forward to cooperating with you!
⚙️Technical Parameters:
| Model / Industry No. | BAQ3806AC (Automotive Steering Gear Bearing) |
| Bearing Type | |
| Metric Dimensions | 40x80x18mm (Inner d x Outer D x Total Width/Height H) |
| Raceway Profile | Gothic Arch Dual-Radius Profile |
| Material | |
| Load Capability | Bi-directional Axial Load + Radial Load |
| Precision Class | Automotive Steering Grade (P6 / ABEC-3) |
| Target Application | Automotive EPS, Steering Columns, Trucks |
| Brand | RMO (Own Brand) / Neutral / OEM Custom / Other Global Brands |
| Package | Individual plastic bag, plastic tube or original RMO brand box |
| Lead Time | 3-5 days for stock; 7-15 days for bulk orders |
| Shipping | Express (DHL/FedEx/UPS), Air Freight, Sea Freight |
| Payment | 100% T/T, or 30% T/T In Advance, 70% T/T After Finished Production |
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