Front Differential Bearing

Front Differential Bearing

Details
As a strong manufacturer in the bearing industry for more than ten years, Shandong Juyuan has always been committed to "professional wholesale and global supply" as its core, providing high-quality front differential bearings for domestic and foreign wholesalers and end customers.
Category
Industrial Bearing
 
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Description
Technical Parameters

As a strong manufacturer in the bearing industry for more than ten years, Shandong Juyuan has always been committed to "professional wholesale and global supply" as its core, providing high-quality front differential bearings for domestic and foreign wholesalers and end customers. Our front differential bearings are designed specifically for automotive transmission systems, and with excellent load performance and durability, they have become the preferred matching products for OEMs such as Foton and Jianghuai, as well as overseas after-sales markets. ​

 

The three core advantages achieve reliable quality. The G20CrNiMo high-strength bearing steel customized by Baosteel is used. After 1200 ℃ vacuum quenching and three tempering processes, the bearing hardness reaches HRC58-62, and the fatigue strength is increased by 40% compared to conventional products. The service life in complex road conditions exceeds 150000 kilometers, which is 30% longer than ordinary front differential bearings. The unique double row tapered roller structure, combined with a 20 ° large contact angle raceway design, can achieve a dynamic load of up to 500kN on a single bearing, effectively responding to instantaneous impacts under conditions such as rapid acceleration and off-road bumps. After the replacement of a certain pickup truck model, the differential abnormal noise rate decreased by 60%. The sealing system has been upgraded to a fluororubber double lip and stainless steel labyrinth ring, with an IP67 protection level that can resist mud, water, and dust invasion. In coastal areas, the salt spray life exceeds 1200 hours, and the grease leakage rate has been reduced to below 5ml/thousand kilometers. ​

 

Full scene adaptation, wholesale customization of dual worry free products covering the full range of specifications from 50 to 150mm, accurately adapting to sedans SUV, The front differential system of different models of commercial vehicles can provide stable and reliable transmission support, whether it is for smooth driving of urban commuter vehicles or extreme working conditions of off-road vehicles. In response to the needs of wholesalers, Jinan Smart Factory has over 5000 pieces in stock, supports 72 hour global shipping, and provides exclusive bulk purchase discounts and free selection manuals; Provide customized solutions for end customers: configure in extremely cold regions -50 ℃ low temperature resistant lubricating grease, develop lightweight ceramic ball versions for high temperature environments, reduce friction coefficient by 25% while improving heat dissipation efficiency. All front differential bearings come with a 2-year warranty as standard, and our technical team can provide full process services such as shaft clearance testing, installation and commissioning, ensuring worry free procurement and use. ​

 

After ten years of hard work, Juyuan's front differential bearings have always taken "durability, adaptability, and peace of mind" as their original intention, providing cost-effective transmission solutions for global customers. Whether you are a wholesaler seeking stable supply or an end user in need of high-quality spare parts, we can provide mature industry experience and reliable product performance to safeguard every transmission. Contact us immediately to obtain wholesale quotes and measured data for front differential bearings, so that the transmission system can bid farewell to the troubles of faults from now on. ​

 

Technical Parameters

Parameter Category

Details

Bearing Type

Double-row tapered roller bearings (automotive differential-specific series)

Material

- Rings: G20CrNiMo high-strength bearing steel (HRC58-62 after 1200℃ vacuum quenching + triple tempering)

- Cage: Glass-fiber reinforced nylon 66

- Surface treatment: Parylene C coating (friction coefficient ↓15%)

Seal Design

Double-lip fluororubber (FKM) seal + stainless steel labyrinth ring IP67 protection (withstands 1m water immersion for 30min, dust ingress ≤0.1mg/m³)

Dimension Range

- Bore: 50mm–150mm

- Outer Diameter: 90mm–260mm

- Width: 30mm–80mm (compact design for limited differential space)

Load Capacity

- Dynamic Load Rating (C): 350kN–500kN (tested under 1.5x rated load for 100 hours)

- Static Load Rating (C0): 500kN–700kN

- Impact resistance: 3x dynamic load capacity (suitable for off-road sudden acceleration)

Contact Angle

20° (optimized for radial-axial combined loads in differential systems)

Temperature Range

- Standard: -40°C–120°C (normal driving conditions)

- Low-temperature: -50°C–150°C (with arctic grease, for polar regions)

- High-temperature: -20°C–180°C (ceramic ball variant, for high-speed racing applications)

Precision Class

- ISO Class 4 (radial runout ≤0.005mm, axial runout ≤0.003mm)

- Gear mesh precision: Compliant with AGMA 9005-B01 (reduces differential noise by 60%)

Lubrication

- Grease: High-pressure lithium complex grease (NLGI 2)

- Re-lubrication Interval: 20,000km (urban driving)

- Optional: Lifetime maintenance-free design (full-life lubrication with oil-impregnated felt seals, for commercial vehicles)

Corrosion Resistance

- Zinc-nickel plating: 1200h salt spray (ISO 9227)

- Coastal variant: 316L stainless steel seal components (salt spray resistance ↑50%)

Certifications

IATF 16949, ISO 9001:2015, GB/T 18327 (automotive differential bearing standard)

Installation Fit

- Shaft: r6 (interference fit for high torque transmission)

- Housing: H7 (clearance fit with angular misalignment tolerance ±0.04°)

Applications

- Passenger cars (sedans, SUVs, crossovers)

- Commercial vehicles (light trucks, pickups)

- Off-road vehicles (4x4, ATV differentials)

- Aftermarket replacement for global brands (Toyota, Ford, Volkswagen platforms)

Custom Options

- Anti-electrical corrosion coating (for hybrid vehicle differentials)

- Lightweight design (aluminum alloy cage, weight ↓20%)

- Noise-optimized raceway (surface roughness Ra≤0.02μm, noise ≤55dB at 3000rpm)

- OEM-specific marking (for brand customization)

Test Standards

- Fatigue life: ISO 281 (L10 life ≥150,000km at rated load)

- Vibration test: SAE J1455 (passes 5-2000Hz, 5G acceleration without resonance)

- Lubricant aging: ASTM D2264 (1000 hours at 120°C, grease degradation ≤3%)

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