Part Name: Bearing 8E9522
Part Number: 8E9522
Basic Info.
| Parts no. | 8E9522 | Material | steel |
| Type | Bearing | Parts Type | Engineering machinery parts |
| Compatibility | Caterpillar | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed:2025/12/16
- Manufacturer:Diron Parts
Product Description
- Part Type:Bearing
- Description:Bearing 8E9522 Suitable for Caterpillar



The 8E-9522 is a heavy-duty aftermarket tapered roller bearing designed for high-load, high-speed applications in Caterpillar® wheel loaders, articulated trucks, and off-highway trucks. Manufactured from vacuum-degassed chrome steel with precision-ground rollers and raceways, this bearing delivers exceptional radial and axial load capacity, low friction, and extended service life in severe-duty environments.
Key Features & Benefits
- Premium 100Cr6 / 52100 bearing steel – vacuum-degassed for superior cleanliness and fatigue resistance
- Precision Class 0 (ABEC-1 equivalent) tolerances with super-finished raceways
- Optimized roller profile and cage design for even load distribution and reduced heat buildup
- High-temperature grease packed and double-lip sealed for contamination protection
- 100 % dynamically tested for noise, vibration, and run-out
- High dynamic load rating – proven in extreme shock and vibration conditions
Common Applications (Caterpillar® Compatibility)
- Wheel Loaders: 988G, 988H, 990H, 992G, 992K
- Articulated Trucks: 730, 735, 740
- Off-Highway Trucks: 769D, 771D, 773D, 775D (wheel group and differential positions)
- Typical locations: – Final drive wheel bearings – Differential and axle shaft support – Transmission planetary carrier bearings
Technical Specifications
- Part Number Reference: 8E-9522
- Type: Single-row tapered roller bearing (cone + cup assembly)
- Cone Bore (ID): 120 mm
- Cup Outside Diameter (OD): 215 mm
- Width: 62 mm
- Dynamic Load Rating: ≈ 580 kN
- Static Load Rating: ≈ 800 kN
- Weight: ≈ 12.5 kg
Important Note:
- We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.








- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.


- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.







