Application
Adopting a low-noise bearing shape and precision machining technology, the noise degree of the wheel hub unit is managed at a low stage in the enterprise all through high-speed operation, successfully enhancing driving comfort. Aiming at the unique desires of new power motors for low noise and excessive efficiency, the bearing friction coefficient is optimized to decrease electricity loss; at the identical time, it integrates a high-precision ABS sensor aspect (optional), presenting correct indicators for the vehicle's braking and anti-skid systems, similarly improving using security protection.
FAQ
Q: What is your terms of payments?
A: We accept T/T L/C at beginning, 30% advance, and pay up before delivery.
Q: How about your deliver time?
A: We keep stock for fast delivery. Now we have over 2000 items, 600,000 PCS products in stock, normally orders will be deliver in 5 days.
Application
Wheel hub units play a key role in reducing vehicle friction and boosting fuel efficiency. Their pre - lubricated, sealed bearing design minimizes rotational friction between the hub and axle, cutting energy loss during power transmission. High - precision components and optimized contact angles lower rolling resistance, directly improving fuel economy for internal - combustion engine vehicles and extending EV range. The maintenance - free seal prevents grease leakage and contamination, sustaining low - friction performance over long service periods, which benefits both daily commuting cars and long - haul commercial fleets.
For the bolt slippage test, the hub bearing unit is installed on the test device, and a torque of 150 N·m is applied to the bolt.
The thread is observed to see if it is damaged or if the bolt rotates relative to the bearing flange.
ABS/sensor standards: Tone wheel single tooth pitch error ≤ ±5%; Total cumulative pitch error ≤ 8%; Sensor output parameters comply with Chinese standards QC/T 783 and QC/T 824.
Sealing test / air tightness test: Pass criteria is no air leakage allowed.
For the bolt pull-out test, first mount the hub bearing unit onto the take a look at setup. Then observe a 4900N pressure alongside the bolt's axial path at a fee of 2mm per second. Check if the bolt pulls out relative to the bearing flange. Keep making use of axial pressure to the bolt till it comes loose, then report how the pressure adjustments till pull-out and notice the most pressure value.
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