RNB5K-N
Model / article: RNB5K-N
RNB5K-N is listed by Ogura Clutch in Spring-applied brakes. Published model data includes Product mass: 5.2 kg; Brake axial length L: 56.5 mm. See the specification table for operating conditions and source evidence.
Exact manufacturer-listed G (24 V) and K (90 V) models. Holding/emergency-stop use only. No SIL/PL or dual-channel certification verified.

Product overview
- Manufacturer / supplier
- Ogura Clutch
- Series
- RNB-N spring-applied holding brakes
- Component type
- Spring-applied brakes
- Source
- Open published source
Published pricing
No verified public price indexed for this model. Contact PartMeld for a supplier inquiry.
Published specifications
Values are shown as published. Conditions, rating basis and source evidence apply to each value.
Latest source observation: . Observation dates record evidence collection, not supplier re-verification.
| Specification | Published value | Conditions and source |
|---|---|---|
| Brake axial length LModel-level statement | 56.5 mm | rule validated Operating conditions
Source evidenceRNB5K-N | Brake axial dimension L: 56.5 Catalog printed p.29 / RNB5K-N / Brake axial dimension L |
| Brake bore diameter dModel-level statement | 24 mm | rule validated Operating conditions
Source evidenceRNB5K-N | Bore d H7: 24 Catalog printed p.29 / RNB5K-N / Bore d H7 |
| Brake operationModel-level statement | Spring-applied, electrically released. Holding and emergency-stop use only; not for service braking. Keep friction surfaces dry and free of oil. | rule validated Source evidenceRNB5K-N | Use restriction: Spring-applied, electrically released. Holding and emergency-stop use only; not for service braking. Keep friction surfaces dry and free of oil. Catalog printed p.31 / RNB5K-N / Use restriction |
| Armature hold-in timeModel-level statement | 0.12 s | rule validated Operating conditions
Source evidenceRNB5K-N | Armature attraction time (electrical brake opening): 0.12 Catalog printed p.30 / RNB5K-N / Armature attraction time (electrical brake opening) |
| Release excitation currentModel-level statement | 0.3 A | rule validated Operating conditions
Source evidenceRNB5K-N | Coil rated current: 0.3 Catalog printed p.30 / RNB5K-N / Coil rated current |
| Release excitation powerModel-level statement | 27 W | rule validated Operating conditions
Source evidenceRNB5K-N | Coil rated power: 27 Catalog printed p.30 / RNB5K-N / Coil rated power |
| Armature release timeModel-level statement | 0.05 s | rule validated Operating conditions
Source evidenceRNB5K-N | Armature release time (spring brake engagement): 0.05 Catalog printed p.30 / RNB5K-N / Armature release time (spring brake engagement) |
| Release excitation voltageModel-level statement | 90 V | rule validated Operating conditions
Source evidenceRNB5K-N | Coil rated voltage: 90 Catalog printed p.30 / RNB5K-N / Coil rated voltage |
| Static holding torqueModel-level statement | 50 N·m | rule validated Operating conditions
Source evidenceRNB5K-N | Static friction torque: 50 Catalog printed p.29 / RNB5K-N / Static friction torque |
| Product massModel-level statement | 5.2 kg | rule validated Source evidenceRNB5K-N | Mass: 5.2 Catalog printed p.29 / RNB5K-N / Mass |
| Maximum output speedModel-level statement | 3000 rpmRating: maximum | rule validated Source evidenceRNB5K-N | Permissible rotational speed: 3000 Catalog printed p.30 / RNB5K-N / Permissible rotational speed |
| Outer diameterModel-level statement | 145 mm | rule validated Source evidenceRNB5K-N | Outer diameter A: 145 Catalog printed p.29 / RNB5K-N / Outer diameter A |
Technical documents and resources
Confirm the exact configuration, price, availability and operating conditions with the supplier before ordering.