Overview
The ZF 0750.117.075 TAPER ROLLER BEARING is a precision-engineered component designed to manage axial and radial loads within the differential assembly of heavy-duty ZF transmissions. This OEM genuine part sits directly on the pinion shaft, ensuring smooth rotation and precise gear alignment under high torque conditions. As a critical element in the load-bearing system, the SKU 0750.117.075 works in concert with the 5838109012: DIFFERENTIAL and the 2093209023: DIFFERENTIAL to distribute power evenly to the wheels. Its tapered roller design minimizes friction, extending the service life of surrounding drivetrain components.
Symptoms of Failure
- Whining or grinding noise from the transmission housing: When the 0750.117.075 bearing wears, metal-on-metal contact produces a distinct high-pitched whine during acceleration or deceleration, often mistaken for gear noise.
- Excessive end-play in the pinion shaft: A failing taper roller bearing allows the pinion to shift axially, causing a noticeable clunk when shifting between forward and reverse gears.
- Oil contamination with metallic debris: Worn rollers shed fine metal particles into the transmission fluid, visible during routine oil changes as a silver or bronze shimmer.
- Vibration through the chassis at highway speeds: Uneven roller wear creates rotational imbalance, transmitting vibration to the vehicle floor and steering wheel.
Technical Specifications
| Specification | Value |
|---|---|
| SKU / Part Number | 0750.117.075 |
| Type | Taper Roller Bearing (Single Row) |
| Bore Diameter | 35 mm (approx.) |
| Outer Diameter | 72 mm (approx.) |
| Width | 18 mm (approx.) |
| Material | Case-Hardened Chrome Steel (DIN 100Cr6) |
| Weight | 0.28 kg (0.62 lbs) |
| OEM Reference | ZF 0750.117.075 |
Compatibility
This taper roller bearing is engineered for the ZF WG100, WG130, and WG131 transmission series. It is also a direct replacement for units in the WG180 and WG200 families where the pinion shaft uses a 35mm bore bearing. Always verify the existing bearing dimensions before ordering. The 0750.117.075 interfaces directly with the 5838300626: DIFFERENTIAL HOUSING and is secured in place using the 0631329088: SPRING PIN to prevent rotation during operation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | Differential | Distributes torque between drive wheels |
| 2093209023 | Differential | Alternate differential assembly for WG series |
| 5838300626 | Differential Housing | Encloses and supports differential gears |
| 0631329088 | Spring Pin | Locks bearing in place on shaft |
| 5838300811 | Thrust Washer | Controls axial clearance in differential |
| 5838300721 | Axle Bevel Gear | Transfers power to axle shafts |
| 5838300633 | Axle | Connects differential to wheel hubs |
| 5838300753 | Thrust Washer | Reduces friction on gear faces |
| 5838300818 | Thrust Washer | Additional axial load management |
| 5838300170 | Outer Clutch Disk | Engages clutch pack for torque transfer |
Frequently Asked Questions
Q: How do I know if the 0750.117.075 bearing is the correct replacement for my ZF transmission?
A: Check the existing bearing part number stamped on the outer race. If it matches 0750.117.075, it is a direct fit. For WG100/WG130/WG131 models, this is the standard pinion bearing.
Q: Can I replace this taper roller bearing without removing the differential housing?
A: No. The bearing is pressed onto the pinion shaft inside the 5838300626: DIFFERENTIAL HOUSING. Full disassembly of the differential unit is required for proper installation.
Q: What is the typical lifespan of this bearing under normal operating conditions?
A: With proper lubrication and no contamination, the 0750.117.075 typically lasts 150,000 to 200,000 miles. Premature failure often indicates a failing 5838109012: DIFFERENTIAL or misaligned 0631329088: SPRING PIN.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
