NDND (NJ, NYD) Series Low-Speed Roller Backstops with Torque Arm
Roller Backstop Device TIANIU ND
ND (also designated NJ, NYD) are Tianiu roller-type contact backstops for low-speed shafts: a compact, light design with torque arm, reliable engagement, smooth freewheeling and modest mounting accuracy requirements. 17 sizes from ND16 to ND7000: backstop torque 1,600–700,000 N·m, bore 50–450 mm (H7, shaft h6, key to GB/T 1095-1979), inner race speed up to 150 rpm for small sizes and up to 50 rpm for large ones. Up to ND380 the torque arm is a single plate, from ND500 a double plate. The arm rests against a stop with axial and radial play and must not be clamped.
Specifications
- Type
- roller contact backstop, low speed, with torque arm
- Backstop torque
- 1,600–700,000 N·m
- Bore
- 50–450 mm, H7 (shaft h6), key to GB/T 1095-1979
- Max. inner race speed
- 150 rpm (ND16–ND110), 100 (ND160–ND380), 80 (ND500–ND650), 50 (ND900–ND7000)
- Drag torque
- 4–250 N·m
- Sizes
- 17 (ND16/NJ65 … ND7000/NJ450)
- Torque arm
- single plate (ND16–ND380), double plate (ND500–ND7000)
- Weight
- 13.5–3,380 kg
Applications
- Inclined belt conveyors
- Bucket elevators
- Scraper conveyors
- Pump units
We will select the right size for your task and prepare a quotation under a direct SDS contract.
