Truck bearing is fast moving parts, there are many different model bearing on Sinotruk axle, in order to make clear the bearing using situation, the first thing we need to know is what kind of axle did the Sinotruk fixed.
In oveasea market, most of Howo dump truck was assembled HC16 axle and AC16 axle, the data performance between them was stated in my last article, <What’s the difference between AC16 and HC16 of Sinotruk Axle>, below artice will focus on bearings for this two model axle:
1. Bearings for HC16 Middle Axle
From the above parts catalogue, we can find there are 8 different kinds of bearing, we list the detail parts number and bearing model as following chart.
| SN | Description | P/N Number | Model | Qty per axle | Images | |
|---|---|---|---|---|---|---|
| 1 | Middle Axle - Pass Axle Box Bearing | 190003311543 | 6312N | 1 |  | |
| 2 | Middle Axle - Axle Diff Rear Bearing | 190003310239 | 6019 | 1 |  | |
| 3 | Middle Axle - Piercing Shaft Front Bearing | 190003311543 | 6312N | 1 |  | |
| 4 | Middle Axle - Piercing Shaft Rear Bearing | 190003311036 | 6212 | 1 |  | |
| 5 | Middle Axle - Driven Gear Bearing | 190003326333 | 31311 | 1 |  | |
| 6 | Middle Axle - Bevel Gear Bearing | WG9014320257 | NU314 | 1 |  | |
| 7 | Middle Axle - Wheel Diff Bearing | 190003326148 | 32216 | 2 |  | |
| 8 | Middle Axle - Wheel Hub Inner Bearing | 190003326067 | 30222 | 2 |  | |
| 9 | Middle Axle - Wheel Hub Outer Bearing | 190003326167 | 32222 | 2 |  | |
| 10 | Middle Axle - Axle Diff Assy | AZ9231320271 | 1 |  | ||
| 11 | Middle Axle - Wheel Diff Assy | AZ9231320272 | 1 |  |
2. Bearing for HC16 Rear Axle
There are 6 kinds of bearing using on HC16 axle, bevel gear bearing will be 32315 for ratio 5.73, and 32316 for ratio 4.8. please notice this point. the detail parts number and bearing model is as following chart.
| SN | Description | P/N Number | Model | Image | |
|---|---|---|---|---|---|
| 1 | Rear Axle - Main Reducer Cover Bearing | 190003326236 | 30312 |  | |
| 2 | Rear Axle - Bevel Gear Bearing(Ratio 5.73) | 190003326547 | 32315 |  | |
| 3 | Rear Axle - Bevel Gear Bearing(Ratio 4.8) | 190003326546 | 32316 |  | |
| 4 | Rear Axle - Wheel Diff Bearing | 190003326148 | 32216 |  | |
| 5 | Rear Axle - Wheel Hub Inner Bearing | 190003326067 | 30222 |  | |
| 6 | Rear Axle - Wheel Hub Outer Bearing | 190003326167 | 32222 |  | |
| 7 | Rear Axle - Wheel Diff Assy | AZ9231320273 |  |
3. Bearing for AC16 Middle Axle
4. Bearing for AC16 Rear Axle
| SN | Description | P/N Number | Model | Image |
|---|---|---|---|---|
| 1 | Rear Axle - Main Reducer Cover Seat | WG9981031313 | 31313 |  |
| 2 | Rear Axle - Bever Gear Bearing | WG998132315B | 32315B |  |
| 3 | Rear Axle - Wheel Diff Bearing | WG9981033115 | 33115 |  |
| 4 | Rear Axle - Wheel Hub Inner Bearing | WG9981032222 | 32222 |  |
| 5 | Rear Axle - Wheel Hub Outer Bearing | WG9981032222 | 32222 |  |
| 6 | Rear Axle - Wheel Diff assy | AZ9981320020 |  |
