NMTG Sprag Cage Freewheels NDC
NMTG NDC Sprag Cage Freewheels are compact sprag clutches for OEM integration, enabling reliable one-way torque transmission in overrunning and backstopping applications.
Features
- Nom. Transmitting torque: 4800Nm
- Cage assembly supplied without inner or outer races
- Requires customer-provided races, bearing support, sealing, and lubrication system
- Compatible with oil or grease lubrication
- Can run on case-hardened shafts or housings as races
- Races require surface hardness of 60–62 HRC (min. 0.6 mm depth)
- Core hardness specification of 35–45 HRC
- Surface finish requirement of Ra ≤ 0.8 μm
- Maximum race taper of 0.007 mm per 25 mm width.

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