Front Axle Hub Inner Bearing 8-94248088-0 For Isuzu NKR55 4JB1 8942480880

Manufactured to meet or exceed original equipment (ISO/ABMA Class P0) standards. Each bearing features:

• High-grade chrome steel (GCr15 / SAE 52100) - hardness HRC 60-64
• Precision-ground tapered rollers and races - Ra ≤ 0.2 µm surface finish
• Heat-treated for fatigue resistance (case depth 0.8-1.2 mm)
• Pre-lubricated with high-temperature lithium grease (-30°C to +150°C range)

• OE Factory Spec - Manufactured to ISO 492 (Class P0) tolerances, matching original equipment
• Tapered Roller Design - Handles combined radial and axial loads for stable wheel control
• Induction-Hardened - HRC 60-64 surface hardness resists pitting, spalling, and wear
• Pre-Lubricated - Filled with high-temperature, extreme-pressure (EP) lithium grease
• Corrosion Resistant - Protected with anti-rust oil coating; phosphate-treated races
• Restores Wheel End Integrity - Eliminates noise, wobble, and vibration
• Direct Replacement - Simple press-fit installation using standard bearing tools
• Long Service Life - Engineered for 300,000+ km under normal operating conditions

• Material Certification - Chrome steel composition verified via spectrographic analysis
• Dimensional Accuracy - Measured to ±0.005mm using CMM equipment
• Hardness Testing - Rockwell hardness checked on races and rollers
• Radial Runout - Each bearing tested for concentricity; runout ≤ 0.02mm
• Noise Testing - Audible and vibration check during rotation at 500 rpm
• ISO 9001:2015 certified facility
• Real-World Validation - 100 units fitted to fleet Isuzu NKR55, monitored for 12 months

For bulk orders, technical datasheets, or fitment verification (NKR55, NPR60, 4JB1), contact our sales team. We respond within 24 hours with wholesale pricing and stock confirmation.