
Product Introduction
The 7207B / NJ2207E Air Compressor Air Pump Bearing is a high-quality bearing component designed for SINOTRUK HOWO heavy-duty truck air compressor systems and Weichai engine applications. It is mainly used inside air compressor assemblies to support rotating shafts, reduce friction, and maintain smooth operation during compressed air generation. SINOTRUK HOWO trucks commonly use Weichai engine air compressor systems, with related air compressor components listed in engine parts catalogs.
Manufactured according to OEM standard quality requirements, this bearing provides reliable mechanical performance with precision machining, stable rotation, and excellent resistance against wear during continuous engine operation. The 7207B bearing design is an angular contact ball bearing type, while NJ2207E is a cylindrical roller bearing type, both commonly used for supporting rotating components in demanding mechanical applications.
The 7207B / NJ2207E bearing helps improve air compressor efficiency by reducing shaft friction, maintaining accurate rotation, and extending the service life of compressor components. It is suitable for heavy-duty transportation vehicles, logistics trucks, construction vehicles, and fleet maintenance applications.
As an aftermarket replacement part, this air compressor bearing is suitable for truck repair workshops, engine maintenance specialists, fleet operators, and wholesale spare parts distributors. It provides a cost-effective replacement solution with OEM-standard quality, accurate fitting, and long service life for SINOTRUK HOWO and Weichai-powered trucks.

Technical Specifications
| Item | Specification |
|---|
| Product Name | Air Compressor Air Pump Bearing |
| Part Number | 7207B / NJ2207E |
| Bearing Type | Angular Contact Ball Bearing / Cylindrical Roller Bearing |
| Vehicle Brand | SINOTRUK HOWO |
| Engine Application | Weichai Engine Systems |
| Application | Air Compressor / Air Pump Assembly |
| Product System | Engine Parts |
| Material | High Grade Bearing Steel |
| Load Type | Radial & Axial Load Support |
| Installation Position | Air Compressor Shaft Assembly |
| Installation Type | Direct Replacement |
| Quality Standard | OEM Standard |
| Condition | Brand New |
| Packaging | Export Standard Packaging |
Vehicle Fitment
| Vehicle Brand | Compatible Models |
|---|
| SINOTRUK HOWO | HOWO, HOWO A7, HOWO T7H, HOWO TX, HOWO MAX |
| SINOTRUK SITRAK | C5H, C7H, G7 |
| SINOTRUK Steyr | Steyr Heavy Duty Trucks |
| Weichai Engine | WD615 Series Engine Applications |
| SHACMAN | F2000, F3000, X3000, X5000 |
| FAW JIEFANG | J5P, J6P, J7 |
| DONGFENG | Tianlong, Tianjin KR, KL, GX |
| FOTON AUMAN | ETX, GTL, EST, EST-A |
| BEIBEN | NG80, V3 |
| Heavy Duty Trucks | Vehicles Equipped with Compatible Air Compressor Systems |
Payment & Shipping
| Category | Options |
|---|
| Payment Methods | T/T (Bank Transfer), PayPal, Western Union, MoneyGram, Visa, MasterCard, L/C (Letter of Credit), Alibaba Trade Assurance |
| Express Shipping | DHL, FedEx, UPS, TNT |
| Freight Shipping | Air Freight, Sea Freight, Railway Freight |
| Delivery Time | Express: 3-7 Working Days; Air Freight: 7-15 Days; Sea Freight: 20-45 Days |
| Shipping Coverage | Worldwide Shipping Available |
| Trade Terms | EXW, FOB, CFR, CIF, DDP |
Related Products Categories
Engine Parts System
| Section/System | Common Spare Parts |
|---|
| Engine Parts | Cylinder Block, Cylinder Head, Piston, Piston Ring, Crankshaft, Connecting Rod, Camshaft, Fuel Injector, Turbocharger, Water Pump, Oil Pump, Alternator, Starter Motor, Sensors |
Transmission & Drivetrain Parts
| Section/System | Common Spare Parts |
|---|
| Transmission System | Transmission Assembly, Synchronizer, Gear Set, Bearing, Oil Seal, Shift Fork, Clutch Disc, Pressure Plate, Release Bearing, PTO Assembly, Driveshaft, Universal Joint, Differential Assembly |
| Section/System | Common Spare Parts |
|---|
| Chassis Parts | Front Axle, Rear Axle, Kingpin Kit, Wheel Hub, Wheel Bearing, Leaf Spring, Air Spring, Shock Absorber, Brake Drum, Brake Disc, Brake Chamber, Slack Adjuster, Steering Gearbox |
Cabin & Body Parts
| Section/System | Common Spare Parts |
|---|
| Cabin Parts | Cab Assembly, Dashboard, Door Assembly, Door Lock, Mirror, Headlamp, Tail Lamp, Bumper, Grille, Fender, Seat, AC Compressor, Wiring Harness |
