Custom CNC Gray Cast Iron Automotive Rear Wheel Bearings
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Service Item
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Details
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Technical Parameters
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Delivery Time
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Wheel Hub Bearing Units
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Double row angular contact ball/ tapered roller bearings
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Axial clearance 0.002-0.060mmLife B50≥750 cycles
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Prototype: 7-10 daysMass production: 20-30 days
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Rear Wheel Bearings
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Dedicated bearings for drive/non-drive wheels
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Starting torque 1.0-8.0N·mVibration ≤45-50dB
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Prototype: 5-8 daysMass production: 15-25 days
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5-Hole Accessories Machining
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CNC precision machining mounting flanges
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Position accuracy ±0.02mmBolt hole diameter tolerance H7
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Prototype: 3-5 daysMass production: 10-15 days
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Ring Gear Manufacturing
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Gear hobbing, heat treatment strengthening
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Module 1-40Hardness 58-64HRC
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Prototype: 7-10 daysMass production: 20-30 days
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Material Selection
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Bearing steel, alloy structural steel
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GCr15, 42CrMo, 40CrNiMo
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Based on material inventory
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Quality Inspection
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CMM measurement, life testing
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100% full inspection, ISO/TS 16949 certified
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Synchronous with production
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