Contact Type Safety Torque Limited Backstop for Conveyor Machine
Basic Info
Model No.: Torque Limited Backstop
Product Description
Model NO.: Torque Limited Backstop Highest Speed of Inner Race (R/Min): 50-150r/Min Standards: ASTM,DIN,Sha,Cema.etc Terms of Shipment: by Sea Trademark: OUNA Origin: Toncheng, China Rated Holdback Moment Te: 11000-7000kn*M Idle Resistance Moment: 15-250n/M MOQ: 1set Package: Wooden Case, Iron Case, Iron Cage, Frame Specification: ISO9001: 2008 HS Code: 8483409000 Contact Type Safety Torque Limited Backstop for Conveyor Machine
Product description:
NJ serial Contract Wedge Backstop is a new kind of low-speed backstop used in belt conveyors, which is directly installed on driving drum shaft or low-speed shaft of gears. The precise bearings are used in the product, which ensure high coaxiality, long service life and powerful capacity of avoiding roll-back. In all, it is the best choice for belt conveyors. The device can be applied in bucket elevators and scraper conveyors.
Technical performance:
1.contact-type and wedge structure provides long life time and low noise
2.large backstop torque, and good reliability
3.small size, and easy to install and maintain
4.suit for all kinds of upward belt conveyors
Main technical parameters and structural dimensions of NJ holdback Unit: mm
Note: the hole tolerance is F7 (GB1800-1804-1999), the recommended shaft tolerance is h6 and fit tolerance is F7/h6 Contact us if you need more details on Backstop. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Bearing、Clutch. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product description:
NJ serial Contract Wedge Backstop is a new kind of low-speed backstop used in belt conveyors, which is directly installed on driving drum shaft or low-speed shaft of gears. The precise bearings are used in the product, which ensure high coaxiality, long service life and powerful capacity of avoiding roll-back. In all, it is the best choice for belt conveyors. The device can be applied in bucket elevators and scraper conveyors.
Technical performance:
1.contact-type and wedge structure provides long life time and low noise
2.large backstop torque, and good reliability
3.small size, and easy to install and maintain
4.suit for all kinds of upward belt conveyors
Main technical parameters and structural dimensions of NJ holdback Unit: mm
Specification | Rated holdback moment Te(N.m) | Range of hole diameter d (mm) | Highest speed of inner race (r/min) | Idle resistance moment (N.m) | Structural dimensions | Max. mass (kg) | ||||||||
A | B | D | H | h | h1 | Φ | L | L1 | ||||||
NJ110 | 11000 | 90-110 | 150 | 15 | 110 | 12 | 270 | 425 | 65 | 40 | 26 | 110 | 141 | 46.1 |
NJ130 | 16000 | 100-130 | 100 | 20 | 120 | 12 | 320 | 506 | 65 | 32 | 26 | 130 | 161 | 82.8 |
NJ160 | 25000 | 120-160 | 100 | 25 | 120 | 20 | 360 | 612 | 65 | 32 | 31 | 140 | 183 | 125 |
NJ200 | 38000 | 160-200 | 100 | 45 | 130 | 20 | 430 | 623 | 70 | 43 | 41 | 160 | 270 | 180 |
NJ(NYD)220 | 50000 | 160-220 | 80 | 75 | 238 | 256 | 500 | 820 | 80 | / | / | 230 | 303 | 351 |
NJ(NYD)250 | 90000 | 180-250 | 50 | 95 | 288 | 323 | 600 | 1000 | 100 | / | / | 290 | 367 | 675 |
NJ(NYD)270 | 125000 | 200-270 | 50 | 100 | 298 | 323 | 650 | 1100 | 110 | / | / | 290 | 367 | 737 |
NJ(NYD)300 | 180000 | 230-300 | 50 | 110 | 356 | 335 | 780 | 1300 | 135 | / | / | 290 | 392 | 1123 |
NJ(NYD)320 | 270000 | 250-320 | 50 | 140 | 386 | 345 | 850 | 1500 | 135 | / | / | 320 | 412 | 1425 |
NJ(NYD)350 | 320000 | 250-350 | 50 | 160 | 414 | 360 | 930 | 1600 | 135 | / | / | 360 | 426 | 1955 |
NJ(NYD)420 | 520000 | 320-420 | 50 | 220 | 474 | 484 | 1030 | 1800 | 165 | / | / | 450 | 550 | 2930 |
NJ(NYD)450 | 700000 | 350-450 | 50 | 250 | 526 | 494 | 1090 | 2000 | 165 | / | / | 480 | 574 | 3380 |
Note: the hole tolerance is F7 (GB1800-1804-1999), the recommended shaft tolerance is h6 and fit tolerance is F7/h6 Contact us if you need more details on Backstop. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Bearing、Clutch. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Backstop for Belt
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