Gear Couplings
NGCL Crowned Gear Coupling with Brake Drum
NGCL Crowned Gear Coupling with Brake Drum with model-specific technical data, engineering context and assembly drawing for preliminary selection.
Product Overview
NGCL combines a crowned gear coupling with a brake-drum arrangement. Its table adds drum diameter and width dimensions to the normal gear-coupling fields—torque, speed, bore, D dimensions, inertia and mass. The brake interface must be checked with braking torque and clearance, while the gear tooth space still needs correct lubrication and sealing. The published model tables contain 15 size rows and provide torque values spanning 355–100000 N·m, permissible-speed values spanning 950–4000 r/min, bore values spanning 20–250 mm. Use those values for preliminary comparison only; final materials, current standards, manufacturing details and operating suitability require confirmation from RONGXING DRIVE.
Key Features
- Crowned gear coupling with brake-drum interface
- Separate drum dimensions alongside torque and bore data
- Lubricated tooth space and brake clearance are both installation constraints
- The model data provides torque values spanning 355–100000 N·m, permissible-speed values spanning 950–4000 r/min, bore values spanning 20–250 mm for a traceable preliminary comparison.
Typical Selection Context
- Hoists, conveyors and process drives with a brake-drum interface
- High-torque shaft lines requiring coordinated coupling and stopping hardware
Technical Specification
The following model tables are provided for preliminary comparison. Keep the relevant assembly drawing with the selected row.
| Model | Nominal torque Tn N·m | Permissible speed [n] r/min | Bore diameter | Bore length L | D | D₁ | D₂ | C | C₁ | B₁ | D₀ | B₀ | Mass moment of inertia kg·m² | Mass kg | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dz d | Y | J₁ Z₁ | |||||||||||||
| NGCL1 | 355 | 4000 | 20～35 | 52～83 | 38～60 | 103 | 71 | 50 | 30 | 8 | 42 | 160 | 68 | 0.071 | 8 |
| NGCL2 | 630 | 4000 | 25～45 | 62～112 | 44～84 | 115 | 83 | 60 | 36 | 8 | 48 | 160 | 68 | 0.083 | 11 |
| NGCL3 | 1000 | 3800 | 28～56 | 62～112 | 44～84 | 127 | 95 | 75 | 41 | 8 | 49 | 200 | 85 | 0.187 | 17 |
| NGCL4 | 1600 | 3800 | 38～65 | 82～142 | 60～107 | 149 | 116 | 90 | 41 | 8 | 53 | 200 | 85 | 0.264 | 23.8 |
| NGCL5 | 2800 | 3000 | 40～75 | 112～142 | 84～107 | 167 | 134 | 105 | 48 | 8 | 58 | 250 | 105 | 0.609 | 34.4 |
| NGCL6 | 4500 | 3000 | 45～90 | 112～172 | 84～132 | 187 | 153 | 125 | 49 | 9 | 59 | 250 | 105 | 0.795 | 47.6 |
| NGCL7 | 6300 | 2400 | 50～100 | 112～212 | 84～167 | 204 | 170 | 140 | 53 | 9 | 63 | 315 (300) | 132 | 1.388 | 71.1 |
| NGCL8 | 9000 | 1900 | 55～110 | 112～212 | 84～167 | 230 | 186 | 155 | 64 | 12 | 77 | 400 | 168 | 4.072 | 108 |
| NGCL9 | 14000 | 1500 | 60～130 | 142～252 | 107～202 | 256 | 212 | 180 | 71 | 13 | 80 | 500 | 210 | 10.109 | 167 |
| NGCL10 | 20000 | 1200 | 65～150 | 142～252 | 107～202 | 287 | 239 | 200 | 65 | 15 | 90 | 630 (600) | 265 | 29.248 | 237 |
| NGCL11 | 31500 | 1050 | 70～170 | 142～302 | 107～242 | 325 | 276 | 235 | 77 | 16 | 94 | 710 (700) | 298 | 47.08 | 357 |
| NGCL12 | 45000 | 1050 | 75～200 | 142～352 | 107～282 | 362 | 313 | 270 | 94 | 17 | 104 | 710 (700) | 298 | 53.69 | 464 |
| NGCL13 | 63000 | 950 | 150～220 | 252～352 | 202～282 | 412 | 350 | 300 | 88 | 18 | 113 | 800 | 335 | 86.67 | 596 |
| NGCL14 | 100000 | 950 | 170～250 | 302～410 | 242～330 | 462 | 420 | 335 | 92 | 20 | 157 | 800 | 335 | 105.9 | 850 |
Engineering Context
This model is best understood from its own construction: Crowned gear coupling with brake-drum interface; Separate drum dimensions alongside torque and bore data; Lubricated tooth space and brake clearance are both installation constraints Industry selection practice checks torque and speed together with the movement, shaft interface, installation envelope and maintenance conditions allowed by that construction.
Technical Notes
- Model symbols, units and empty or placeholder cells are shown as published.
- Dimension letters must be interpreted with the relevant assembly drawing.
- Published values support preliminary review and do not replace final engineering confirmation.
Assembly Drawing
Information Required for Selection
- Provide coupling torque, braking torque, drum size, speed and clearance
- Match bore, flange dimensions, lubrication access and guard enclosure
- Send the exact model row, assembly drawing and actual duty data with the inquiry.
Product FAQ
Does the drum carry the coupling torque?
The coupling transmits shaft torque; braking torque and drum geometry are separate checks on the complete assembly.
What is the key NGCL installation risk?
Insufficient drum, seal or guard clearance can compromise both braking and coupling service.
Are the published values final ordering values?
No. They are preliminary engineering data; confirm the selected model, drawing, dimensions, materials, standard and suitability with RONGXING DRIVE.
Technical data is provided for preliminary selection. Confirm the final model, dimensions, materials, applicable standard and operating suitability with RONGXING DRIVE before quotation, manufacture or installation.
