Description
Product Introduction & Engineering Value
A tightening system can have a perfectly functioning motor and gearbox but still produce rejected assemblies when torque feedback becomes inaccurate. The Bosch Rexroth 0608820115 4DMC160 SZ4 addresses this measurement point by providing torque sensing inside Rexroth spindle configurations where process control depends on accurate force feedback.
Used with compatible Rexroth tightening components, this transducer allows controllers to monitor fastening results and maintain traceable assembly quality. It is commonly selected as a replacement component when maintaining existing Rexroth tightening stations rather than redesigning the complete spindle system.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bosch Rexroth |
| Material Number | 0608820115 |
| Type Code | 4DMC160 |
| Product Name | Sensor 4DMC160 SZ4 |
| Product Category | Measurement Transducer |
| System Family | Rexroth Tightening Systems |
| Nominal Size | SZ4 |
| Rated Torque | 160 Nm |
| Installation Length | Approx. 122 mm |
| Weight | Approx. 1.6–2 kg |
| Measurement Purpose | Torque feedback for tightening applications |
| Compatible System | Rexroth tightening spindle assemblies |
Field Application & The “Trench” Experience
A manufacturing plant running an automotive drivetrain assembly line begins seeing random fastening quality alarms. The electric spindle still reaches speed, the motor current looks normal, and the gearbox has no abnormal noise. However, torque-angle curves begin drifting outside the production limits.
The maintenance team traces the issue to unstable torque feedback. Instead of replacing the entire tightening spindle, they identify the installed measurement transducer and replace it with a verified Bosch Rexroth 0608820115 4DMC160 SZ4. After mechanical inspection, parameter verification, and a calibration check, the station returns to production.
The lesson from experienced technicians: torque sensors are often overlooked because they do not create obvious mechanical failures. They quietly influence every fastening decision made by the controller.
Specific application scenarios
- Automotive transmission bolt tightening cells — monitoring torque values during critical assembly operations.
- Battery pack enclosure fastening stations — ensuring repeatable clamping force across multiple fastening points.
- Industrial gearbox assembly lines — controlling torque-dependent mechanical connections.

0608820115

0608820115
Transparency SOP: QA & Testing
A proper inspection process for New Surplus or Refurbished 0608820115 stock should focus on sensor condition, identification, and measurement reliability.
Quality inspection sequence:
- Part verification
- Confirm material number: 0608820115.
- Confirm type code: 4DMC160.
- Verify SZ4 designation.
- Mechanical examination
- Inspect housing condition.
- Check mounting interfaces.
- Verify connector integrity.
- Electrical inspection
- Check sensor wiring.
- Test insulation condition.
- Verify signal continuity.
- Measurement verification
- Compare sensor output against known reference equipment when available.
- Confirm stable torque feedback response.
- Documentation
- Record serial number.
- Photograph labels.
- Maintain inspection records before shipment.
Bosch Rexroth provides material-number-based product identification and spare-part support through its service channels.
The Veteran’s Tech Trap Guide
⚠️ Trap #1 — Replacing the sensor without checking spindle compatibility
The 4DMC160 SZ4 is not a universal torque sensor. It belongs to specific Rexroth tightening spindle configurations. Confirm the complete spindle assembly before replacement.
PRO TIP: Check the existing transducer code first. A similar-looking sensor with a different torque range may cause incorrect tightening results.
⚠️ Trap #2 — Skipping calibration verification
A new sensor does not automatically mean a calibrated tightening system. After replacement, verify torque measurement accuracy according to the machine manufacturer’s procedure.
⚠️ Trap #3 — Confusing 4DMC060 and 4DMC160
The 4DMC060 and 4DMC160 families share similar naming conventions, but their torque measurement ranges differ. Using the wrong model can create incorrect process data.
Dynamic FAQ
Q1: What is Bosch Rexroth 0608820115?
Bosch Rexroth 0608820115 is a 4DMC160 SZ4 measurement transducer used in Rexroth tightening spindle systems for torque measurement and process control.
Q2: What does the 4DMC160 measure?
The 4DMC160 measures tightening torque inside compatible Rexroth spindle assemblies, providing feedback for controlled fastening applications.
Q3: What torque range is this sensor designed for?
Available product references identify the 4DMC160 as a 160 Nm rated torque measurement transducer.
Q4: Can I replace a 4DMC060 with 0608820115?
Not directly. The 4DMC060 and 4DMC160 have different measurement characteristics. Confirm spindle configuration, torque range, and controller parameters before replacement.
Q5: Is a New Surplus 0608820115 unused?
New Surplus normally indicates unused inventory from excess stock channels. Buyers should confirm actual photos, label condition, storage history, and testing records before purchase.
Q6: Does this part include a warranty?
Warranty terms depend on the supplier and stock condition. Some industrial automation suppliers list warranty coverage for this part, but the exact warranty should be confirmed with the seller before ordering.




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