
Wholesale 37x74x18mm QJ20107F Four Point Contact Automotive Ball Bearing
| Item No : | QJ20107F |
| Size (d*D*B) : | 37x74x18mm |
| Material : | Bearing steel / chrome steel Gcr15 |
| Lead Time : | 3-5 days |
| Weight : | 0.32KG |
| MOQ : | 10pcs |
⚙️Product Description:
Searching for a high-end replacement to boost the torque transmission and reliability of automotive powertrains? Our QJ20107F Automotive Bearing (Size: 37x74x18mm) is an industrial-grade four-point contact ball bearing engineered specifically for highly stressed vehicle gearboxes and steering mechanisms. With its optimized internal geometry and precision “F” suffix cage design, it handles heavy bi-directional axial loads effortlessly while maintaining a compact footprint. As an agile B2B bearing trader, we offer this specialized automotive part under our own high-performance “RMO” brand for maximum cost savings, or source other global tier-1 premium brands through our extensive supply network to match your exact procurement criteria.

⚙️Product Features:
- High-Load Four-Point Contact: The unique raceway design allows a single QJ20107F bearing to accommodate significant axial loads in both directions, maximizing powertrain efficiency.
- Precision Metric Dimensions: Built strictly to 37mm (Bore) x 74mm (OD) x 18mm (Width) for a guaranteed 100% seamless drop-in fit in automotive transmissions.
- Specialized “F” Suffix Cage: Equipped with an upgraded high-durability cage engineered to resist intense vibrations, high temperatures, and gear oil corrosion.
- Premium Steel Construction: Forged from high-purity GCr15 chrome steel with advanced heat treatment for high fatigue limits and prolonged rolling contact life.
- Dual Brand Solutions: Leverage factory-direct pricing with our proprietary RMO brand to increase margins, or enjoy seamless sourcing for major international brands.
⚙️Product Application:
Engineered to meet the strict NVH (Noise, Vibration, and Harshness) requirements of modern vehicles, the QJ20107F bearing is widely applied in:
- Automotive manual and automatic gearboxes and transaxles.
- New Energy Vehicle (NEV) electric drive motors and powertrain reducers.
- Vehicle differentials, transfer cases, and drive axle assemblies.
- Heavy-duty passenger car steering gears and power steering systems.
- Industrial speed reducers, high-speed pumps, and agricultural machinery gearboxes.
⚙️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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⚙️Technical Parameters:
| Item No. | QJ20107F |
| Bearing Type | Four-Point Contact Ball Bearing / Automotive Type |
| Size | 37x74x18mm |
| Material | Chrome Steel GCr15 / Bearing Steel |
| Cage Material | Machined Solid Steel Cage |
| Heat Treatment | Martensitic hardening / Case hardening for extreme shock resistance |
| Precision Class | P6 / P5 / Automotive Standard |
| Lead Time | |
| Package | |
| Brand | RMO/Neutral/OEM/Other Brands |
| Shipping Port | Guangzhou, Ningbo, Shanghai |
| Payment | 100% T/T, or 30% T/T In Advance, 70% T/T After Finished Production |
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