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REIJAYWe will provide you with the best service and the best quality products. You are welcome to contact us anytime!
NBL Curved Flexible Jaw Coupling Zero Backlash 20mm Shaft Coupling

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Whatsapp:0086 18588475571
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xMaterial | Steel Or Aluminum Or Cast Iron | Keywords | NBL Series Curved Jaw Coupling With Zero Backlash Motor Shaft Coupler |
---|---|---|---|
Standard | IEC Standard Motor | Service | OEM .ODM .Customized |
Outside Diameter(D) | 26mm ~ 420mm | Hole Diameter(d) | 4mm-200mm |
Application | Air Compressor, Pumps And Other Construction Machinery | Warranty | 2years |
Packing | Plastic Bag+Carton+Wood Pallet | Temperature | -40℃+120℃ |
Highlight | NBL Flexible Jaw Coupling,Curved Flexible Jaw Coupling,20mm Shaft Coupling |
Temperature Factor K3 | ||||||
-30° +30° | +40° | +60° | +80° | |||
K3 | 1 | 1,2 | 1,4 | 1,8 | ||
Torsional stiffness Factor | main spindle drives | positioning drives | rotation/ Axial encoder | |||
K4 | 2-5 | 3-8 | 10 | |||
Elastomer Type | Color | Material | Tenperalire Range | Max Tempaatue Range | Effetive Specification | Tipical application |
80 Shore | Blue | urethane | -50-80°C | -80-120 | 14-24°C | Electric measuring systems |
92 Shore | yellow | urethane | -40-90°C | -50-120 | 14-55°C | Eiedric measuring and control systems positioniig drives,main spinder drives, |
95/98 ShoieA | Red | urethane | -30-90°C | -40-120 | 14-55°C | high load applications. |
64 Shore D | Green | urethane | -20-110°C | -30-120 | 14-55°C | high load applications requiring torsionally stiff spider material |
Shock Load Factors(ks) | K5 | |||||
Light Shock Loads | 1 | |||||
Medium Shock Loads | 1.4 | |||||
Heavy Shock Loads | 1.8 |
NBL Elastomer Technique Parameter | |||||||||||||
NBL Spec | Elastomer Durometer | Maximum speed for clamping styles(rpm) | Torque (Nm) | Static torsional stiffness [Nm/rad] | Dynamic torsional stiffness [Nm/rad] | Radial stiffness N/mm | weight (kg) | Rotational Inertia J | (kg/m2) | ||||
Clamping hub | Set screw hub | Locking Device Hub | Hub (X10-3) | Spider (X10-3) | Hub (x10-6) | Spider (X10-6) | |||||||
Tkn | Tkmax | ||||||||||||
92 ShA | 12700 | 15900 | 25400 | 7.5 | 15 | 114.6 | 344 | 336 | 20 | 4.6 | 2.8 | 0.457 | |
14 | 98 ShA | 12.5 | 25 | 1719 | 513 | 654 | |||||||
64 Sh D | 16 | 32 | 234.2 | 702 | 856 | ||||||||
92 ShA | 9550 | 11900 | 19000 | 10 | 20 | 573 | 1720 | 1120 | 66 | 7 | 20.4 | 1.49 | |
19 | 98 ShA | 17 | 34 | 859.5 | 2580 | 2010 | |||||||
64 Sh D | 21 | 42 | 1240.3 | 3720 | 2930 | ||||||||
92 ShA | 6950 | 8850 | 13800 | 35 | 70 | 1432 | 4296 | 1480 | 132 | 18 | 50.8 | 7.5 | |
24 | 98 ShA | 60 | 120 | 2063 | 6189 | 2560 | |||||||
64 Sh D | 75 | 150 | 2978 | 8934 | 3696 | ||||||||
92 ShA | 5850 | 7350 | 11700 | 95 | 190 | 2292 | 6876 | 1780 | 253 | 29 | 200.3 | 16.5 | |
28 | 98 ShA | 160 | 320 | 3438 | 10314 | 3200 | |||||||
64 Sh D | 200 | 400 | 4350 | 13050 | 4348 | ||||||||
92 ShA | 4750 | 5950 | 9550 | 190 | 380 | 4584 | 13752 | 2350 | 455 | 49 | 400.6 | 44.6 | |
38 | 98 ShA | 325 | 650 | 7160 | 21486 | 4400 | |||||||
64 Sh D | 405 | 810 | 10540 | 31620 | 6474 | ||||||||
92 ShA | 4000 | 5000 | 8050 | 265 | 530 | 6300 | 14490 | 2430 | 1850 | 79 | 2246 | 100 | |
42 | 98 ShA | 450 | 900 | 19200 | 48000 | 5570 | |||||||
64 Sh D | 560 | 1120 | 27580 | 68950 | 7270 | ||||||||
92 ShA | 3600 | 4550 | 7200 | 310 | 620 | 7850 | 18055 | 2580 | 2520 | 98 | 3786 | 200 | |
48 | 98 ShA | 525 | 1050 | 22370 | 55925 | 5930 | |||||||
64 Sh D | 655 | 1310 | 36200 | 90500 | 8274 | ||||||||
92 ShA | 3150 | 3950 | 6350 | 410 | 820 | 9500 | 21850 | 2980 | 3800 | 115 | 7496 | 300 | |
55 | 98 ShA | 685 | 1370 | 23800 | 59500 | 6686 | |||||||
64 Sh D | 825 | 1650 | 41460 | 103650 | 9248 | ||||||||
65 | 95 ShA | 2800 | 3500 | 5650 | 940 | 1880 | 48520 | 71660 | 6418 | 6457 | 185 | 15143 | 437 |
64 ShA | 1175 | 2350 | 118510 | 189189 | 8870 |
Flexible jaw coupling with elastomer/Rotex coupling/spidex coupling/servo motor coupling some parameter production photos
Product Name | Flexible jaw coupling NBL series curved jaw coupling with zero backlash motor shaft coupler/servo motor coupling …. |
Standard | IEC standard Motor |
Material | Stainless steel,cast steel,aluminum,cast iron |
Type | NBL Precison no backlash |
Operating Temperature | ( -40°C to +120°C |
Connecting way | keyway,spline and single slot locking,etc |
Feature | Light Weight, Flexible, Vibration Damping |
Custom Order | Accept |
Application | Engine Construction and Plant Engineering,IEC standard Motor,mining machinery,hydraulic machinery…. |
Our Strategic Partners
Founded in 2003, Shanghai Reijay Hydraulic & Transmission Tech Co., Ltd focus on mechanical power transmission coupling, hydraulic system spare parts and heat exchanger products (oil heating and cooling equipment) manufacture and export. We also provide relevant technical support and service. We also serve customers with the design, assembly, remoulding and maintenance of industrial automation components (pneumatic, hydraulic, PLC), industrial intelligent systems, hydraulic power units and drive sections.
Q: Who are we?
We are based in Shanghai, China, started in 2003, sell to Domestic Market(50.00%), North America(25.00%), Europe(5.00%), Africa(5.00%), Southeast Asia(5.00%), South America(5.00%)... There are about 180-300 people in our office and factory.
Q: How can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment
Q: What information should I tell you to confirm the product?
Motor drawing or other technique parameters
Q: What can you buy from us?
Couplings, Bellhousings, Oil tanks, Cleaning Covers, Coolers, Hydraulic parts, etc.
Q: Why should you buy from us, not from other suppliers?
We are a professional OEM manufacturer with 20 years of history, focusing on mechanical power transmission coupling, hydraulic system spare parts and heat exchanger product manufacture and export. We also provide relevant technical support and service.
Q: What is your product warranty period?
We offer 2-10 years of service life since the vessel departure date left China.
Q: What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, CIP, FCA, Express Delivery;
Accepted Payment Currency: USD, EUR, HKD, CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,PayPal,Western Union;
Language Spoken: English, Chinese, Spanish