Basic Info

• OE Part No.: 0750 118 745

• Matching Pair Code: 0735 303 205 bearing inner race

• Product Type: Countershaft Cylindrical Roller Bearing / Layshaft Support Bearing

• Brand: ZF OEM Matching Replacement Spare Parts

• Compatible Gearbox: ZF 12TRAXON 12TX2420 / 12TX2620 / 12TX2820 AMT 12-speed heavy truck transmission

• Applicable Vehicles: Sinotruk Sitrak, FAW J7, MAN TGX, DAF XF, Iveco Stralis heavy-duty tractors

• Material: GCr15 high-carbon chromium bearing steel, overall quenching + super-finish raceway grinding

• Net Weight: approx 1.32kg (reference value)

• Structure: Full complement cylindrical roller, single row, separable inner ring

• Load Capacity: High radial load, limited axial load

• Matching Components: Countershaft gear set, bearing inner race, transmission housing bearing bore

• Function: Provide rigid radial support for countershaft, maintain shaft concentricity, absorb gear meshing radial impact load

• Category: Heavy Truck ZF 12TRAXON AMT Transmission Countershaft Rotation Support Repair Spare Parts

Material & Advantages

1. Premium GCr15 bearing steel with uniform quenching hardness, excellent wear resistance and anti-fatigue performance under continuous heavy torque load

2. Ultra-precision super-finished inner and outer raceways, low friction coefficient, reduce high-speed rotation heat generation

3. Full complement roller design maximizes load-bearing capacity, suitable for long-distance mountain full-load transportation with large radial impact

4. Strict OEM outer diameter, width and inner bore dimension, perfect fit gearbox housing and countershaft journal without reaming modification during overhaul

5. Separable inner ring structure convenient for countershaft assembly and disassembly during gearbox maintenance

6. Stable support eliminates gear meshing abnormal noise, prevent countershaft deflection and extend service life of gears and synchronizers

Application Scenarios

• Replace pitted, roller-worn, seized original countershaft bearing marked 0750 118 745 for ZF 12TRAXON gearbox

• Fix transmission faults including persistent gear grinding noise, countershaft swing, jumping gear and high operating temperature

• Complete countershaft assembly disassembly overhaul and regular maintenance for logistics heavy truck fleets

• Assemble matched inner race, countershaft and housing following official ZF bearing press-fit assembly standards

Supply & After-sale

• MOQ: 1 piece

• Warranty: 3–6 months (exclude insufficient lubrication, contaminated gear oil, overload operation and natural abrasion aging)

• Packaging: Independent shockproof foam + sealed carton packaging to prevent raceway scratch and roller collision damage

• Remarks: Confirm gearbox model 12TRAXON 12TX series before order placement, match supporting inner race 0735 303 205 together for full replacement

Gearboxes assembly include brand ZF, Eaton, FAST, Allison, DONGFENG, DC, Benz, volvo, HOWO, WLY etc. Gearboxes parts includegear, synchronizer, PTO, housing, bearings, shaft, top cover, sensors, wireness, repair kits... etc.

Our products have been exported to more than 50 countries and regions such as Korea, Chile, Russia, Kazakhstan, USA, Ecuador, Turkey, Iran, Africa, Latin America, etc., and have been unanimously recognized by customers.

In the future, we will be committed to creating higher-end quality and more intimate service. And a more comfortable customer experience to build Yongliwei company into an auto parts supplier with excellent corporate culture, scientific development concept and continuous innovation ability.

Shiyan Yongliwei Industry and Trading Co., Ltd. is a modern enterprise integrating design, development, production and sales of gearbox assembly and gearbox parts.

Our company was founded in Hubei province, China, and has been specialized the truck gearboxes in Chinese offline market for 21 years .Our parts are the leader of gearboxes area in the China now.

Our company was set up in the largest truck parts production base in the world –Shiyan city, Hubei, China, to meet the demand for products in the Asia and South American markets, a professional international trade sales team was born in Hubei in 2021.

Shiyan Yongliwei is focusing on creating high quality, high technology and high standard gearboxes and its parts.

* 8000 square meters of large warehouse.

* A number of maritime, land, air transport international logistics companies work closely together.

* To provide you with convenient, fast and low-cost e-commerce one-stop service.