
NDZNDZ (NJZ) Series Low-Speed Contact Backstops with Bearing Support
Backstop Device with Bearing Support TIANIU NDZ

NDZ (NJZ) are Tianiu contact backstops for low-speed shafts with their own bearing support, a filter port, an oil level gauge and labyrinth lubrication channels. The backstop is mounted directly on the drive pulley shaft or on the reducer shaft, and the reaction torque is taken by a torque arm resting against a stop. Compared with the FND series, the manufacturer states higher overrunning speed, torque, precision and service life. 12 sizes from NDZ160 to NDZ10000: backstop torque 16,000–1,000,000 N·m, bore 100–480 mm, inner race speed 70–150 rpm, weight 98–4,442 kg.
Specifications
- Type
- contact backstop, low speed, with bearing support and torque arm
- Backstop torque
- 16,000–1,000,000 N·m
- Bore
- 100–480 mm
- Max. inner race speed
- 150 rpm (NDZ160–NDZ400), 100 (NDZ500–NDZ1000), 90 (up to NDZ2800), 80 (up to NDZ7100), 70 (NDZ10000)
- Drag torque
- 20–280 N·m
- Sizes
- 12 (NDZ160/NJZ16 … NDZ10000/NJZ1000)
- Lubrication
- oil: labyrinth channels, filter port, oil level gauge
- Weight
- 98–4,442 kg
Applications
- Steep-incline belt conveyors
- Bucket elevators
- Conveyor drive pulley shafts
- Output shafts of conveyor drive reducers
We will select the right size for your task and prepare a quotation under a direct SDS contract.







