1. Ifihan
This instruction manual provides essential information for the proper handling, installation, operation, and maintenance of the Timken HA590640 Hub Unit Bearing. Please read this manual thoroughly before attempting any installation or service to ensure safety and optimal performance of the product. Retain this manual for future reference.
2. Ọja Ipariview
The Timken HA590640 Hub Unit Bearing is a high-quality automotive component designed for reliable performance in wheel hub assemblies. Manufactured by Timken, a leading name in bearings and seals, this product is engineered for long life and is sourced from 100% original equipment suppliers.

Figure 2.1: Timken HA590640 Hub Unit Bearing. This image displays the Timken HA590640 Hub Unit Bearing, showcasing its design and the Timken brand logo.
Awọn ẹya pataki:
- Product Type: Auto Accessory
- Designed for long life
- 100% Original Equipment Supplier Sourced Product
- A ṣe é ní orílẹ̀-èdè Amẹ́ríkà
3. Awọn pato
The following table details the technical specifications for the Timken HA590640 Hub Unit Bearing:
| Iwa | Iye |
|---|---|
| Brand | TIMKEN |
| Awoṣe | HA590640 (Hub Unit Bearing Assembly) |
| Ohun elo | Alloy Irin |
| Awọn Iwọn Nkan (L x W x H) | 5.94 x 5.94 x 4.44 inches |
| Iwọn Nkan | 7.12 iwon |
| Fifi nọmba | HA590640 |
| Ti nso Iru | Bolu ti nso |
| Ibaramu lubricant | girisi |
| UPC | 085706046644 |
| Olupese | Timken |
| Ode | Machined |
4. Alaye Aabo
WARNING: Improper installation or maintenance of wheel bearings can lead to serious injury or death. Always follow vehicle manufacturer's service procedures and use appropriate safety precautions.
- Always wear appropriate personal protective equipment (PPE), including safety glasses, gloves, and hearing protection, when working on vehicles.
- Rí i dájú pé ọkọ̀ náà wà ní ìdúró tàbí ibi ìdúró ọkọ̀ kí o tó bẹ̀rẹ̀ iṣẹ́ èyíkéyìí. Má ṣe gbẹ́kẹ̀lé ìdúró ọkọ̀ nìkan.
- Use only the correct tools and equipment for the job.
- Jeki agbegbe iṣẹ mọ ki o si tan daradara.
- Do not attempt installation if you are not familiar with automotive repair procedures. Professional installation is highly recommended.
- Dispose of old parts and materials responsibly according to local regulations.
5. Eto & Fifi sori
Installation of a hub unit bearing requires specialized tools and knowledge. It is strongly recommended that this procedure be performed by a qualified automotive technician.
5.1 Pre-Fifi sọwedowo
- Verify that the Timken HA590640 bearing is the correct part for your vehicle application.
- Inspect the new bearing for any signs of damage during shipping. Do not install a damaged bearing.
- Ensure all mating surfaces on the vehicle (knuckle, hub, etc.) are clean, free of rust, debris, and burrs.
5.2 General Installation Steps (Consult Vehicle Service Manual for Specifics)
- Safely lift and support the vehicle. Remove the wheel and brake components.
- Disconnect any sensors (e.g., ABS sensor) and remove the axle nut (if applicable).
- Remove the old hub unit bearing assembly. This may require a press or specialized puller tools.
- Clean and inspect the knuckle bore and mating surfaces. Apply a thin layer of anti-seize compound if recommended by the vehicle manufacturer.
- Carefully press or bolt the new Timken HA590640 hub unit bearing into place. Ensure it is seated squarely and fully. Do not use impact tools directly on the bearing races.
- Reinstall the axle nut and torque to vehicle manufacturer's specifications. Use a new axle nut if specified.
- Reconnect any sensors and reinstall brake components and wheel.
- Lower the vehicle and perform a final check of all fasteners.
6. Isẹ
Once the Timken HA590640 Hub Unit Bearing is correctly installed, its operation is integrated into the vehicle's wheel assembly. Proper operation relies on correct installation and regular vehicle maintenance.
6.1 Awọn sọwedowo fifi sori ẹrọ lẹhin
- After installation, drive the vehicle slowly and listen for any unusual noises (e.g., grinding, humming, growling).
- Check for proper brake function and ABS sensor operation (if applicable).
- It is advisable to re-torque the axle nut after a short driving period (e.g., 50-100 miles) if specified by the vehicle manufacturer.
6.2 Isẹ deede
The hub unit bearing is designed to provide smooth, low-friction rotation of the wheel. It is a sealed unit and typically does not require periodic lubrication. Any abnormal noise or vibration from the wheel area should be investigated promptly.
7. Itọju
The Timken HA590640 Hub Unit Bearing is a sealed, maintenance-free unit under normal operating conditions. However, regular inspection of the surrounding components and the bearing itself is crucial for longevity and safety.
7.1 Ètò Àyẹ̀wò
- Inspect the wheel bearings during routine tire rotations or brake service.
- Check for excessive play in the wheel by grasping the tire at the 12 and 6 o'clock positions and attempting to rock it. Repeat at 3 and 9 o'clock. Any noticeable play may indicate bearing wear.
- Listen for unusual noises (humming, grinding, growling) that change with vehicle speed or cornering.
- Visually inspect the bearing and surrounding area for signs of grease leakage, rust, or physical damage.
7.2 Ninu
Keep the area around the hub unit bearing clean to prevent contamination. Avoid using high-pressure washers directly on the bearing seals.
8. Laasigbotitusita
If you experience issues with your wheel hub unit bearing, refer to the common symptoms and potential solutions below. Always consult a qualified technician for diagnosis and repair.
| Aisan | Owun to le Fa | Iṣe ti a daba |
|---|---|---|
| Humming, growling, or grinding noise from wheel | Worn or damaged bearing | Inspect bearing for play and noise. Replace if worn. |
| Vibration felt through steering wheel or floor | Worn bearing, unbalanced wheel, bent rim, or other suspension issue | Check bearing for play. Inspect tires and wheels. Consult technician. |
| Excessive wheel play (looseness) | Severely worn bearing, loose fasteners | Immediately inspect and replace bearing if worn. Check torque of all fasteners. |
| ABS light illuminated | Damaged ABS sensor or tone ring (often integrated with hub unit) | Scan vehicle for ABS codes. Inspect sensor and tone ring for damage. |
9. atilẹyin ọja Information
Timken products are manufactured to high standards. Specific warranty terms and conditions for the HA590640 Hub Unit Bearing are provided by the manufacturer. Please refer to the documentation included with your purchase or visit the official Timken website for detailed warranty information. Keep your proof of purchase for any warranty claims.
10. Onibara Support
For technical assistance, product inquiries, or support regarding your Timken HA590640 Hub Unit Bearing, please contact Timken customer service directly or the authorized seller from whom you purchased the product.
Ibi iwifunni:
- Refer to the Timken official website for the most current contact details, including phone numbers and online support options.
- If purchased from a third-party seller, contact their customer support for assistance with your order.





