Resilient Grid Spring Coupling Application
SERIES: TYPE-TRG (TYPE V & TYPE H)

Resilient Coupling, Type-TRG

The Type-TRG Resilient Coupling is engineered with a high-strength tapered alloy spring grid seated in precision-curved hub grooves. Under light loads, the grid contacts the outer edges of the hub teeth; under heavy shock overloads, the grid flexes continuously along the curved contours, cushioning peak impact and dampening severe vibrations.

Home Products Type-TRG
TRG-V & TRG-H Covers Resilient Coupling Type-TRG
Alloy Steel Tapered Spring Grid
Complete Mechanical Power Transmission Solution

Progressive Flexibility & Shock Absorption for Severe Drives

The Type-TRG Resilient Coupling is engineered with a high-strength tapered alloy spring grid seated in precision-curved hub grooves. Under light loads, the grid contacts the outer edges of the hub teeth; under heavy shock overloads, the grid flexes continuously along the curved contours, cushioning peak impact and dampening severe vibrations.

Dual Cover Architecture: Available in Horizontal Split Cover (Type H) for swift maintenance and Vertical Split Cover (Type V) for compact high-speed applications.
Dampens 80% Peak Shock: High-tensile spring steel element flexes under sudden impact overloads, protecting expensive gear teeth and motor bearings.
Zero Machine Disturbance Maintenance: On Type H couplings, the split cover and grid spring can be replaced easily without moving the driving or driven equipment.
Positive Grease Sealing: Equipped with precision oil seals, gaskets, and lube plugs to retain grease and prevent contamination from dirt and moisture.
Field Proven Deployments

Industry Applications for Type-TRG

Ideal for heavy power transmissions subjected to frequent starts, reversing cycles, and shock overloads.

Steel Rolling Mills

Mill gearbox, pinch roll, roller conveyors & roughing stands

Cement & Minerals

Raw mill & coal mill drives, primary jaw crushers & hammer mills

Thermal Power

Boil mill pulverizers, heavy fuel conveyor & slurry pump lines

Heavy Cranes & Winches

Mine hoists, overhead conveyor head pulleys & material handling

Power Rating

0.45 – 261 kW

kW rating at 100 RPM reference
Max Speed Limits

Up to 5,800 RPM

Available in Type V and Type H frames
Bore Capacities

Up to 234 mm

Sizes TRG-105 to TRG-492
Technical Dimension Chart

TRG Resilient Coupling Dimensions (Type V & Type H)

Power in kW @ 100 rpm | Dimensions in mm | Weight in Kg
Size kW @ 100 rpm Max rpm (V) Max rpm (H) Pilot Bore Max Bore ØA (V) ØA (H) ØB L W M G Wt kg (V) Wt kg (H)
TRG-105 0.45 3600 5000 10 28 105 104 38.3 45 57 53 0.80 3 3
TRG-120 0.70 3350 5000 12 38 120 123 38.3 58 65 53 0.80 4 4
TRG-144 1.50 4500 3350 16 42 144 127 44.5 62 65 60 0.80 5 5
TRG-172 2.20 3600 2500 16 52 172 159 51.0 87 66 60 0.80 8 9
TRG-190 3.40 3300 2100 16 58 190 178 51.0 85 85 80 0.80 11 13
TRG-197 4.00 3100 2200 16 65 197 193 57.0 100 85 80 0.80 17 16
TRG-222 7.00 2600 1600 25 80 222 222 63.5 120 87 80 0.80 19 20
TRG-254 9.40 1700 2300 25 95 254 245 76.0 143 87 81 0.80 27 27
TRG-276 13.60 1600 2000 25 110 276 267 89.0 165 87 81 0.80 43 39
TRG-295 28.50 1500 1500 38 104 295 275 102.0 155 138 129 1.60 47 54
TRG-324 33.90 1300 1300 50 124 324 324 101.5 187 157 148 1.60 67 63
TRG-338 48.90 1200 1300 50 124 338 338 101.5 184 157 148 1.60 74 72
TRG-375 67.50 1100 1400 50 148 375 381 114.0 222 159 148 1.60 108 104
TRG-425 93.80 1000 1200 50 170 425 425 127.0 254 160 148 1.60 149 149
TRG-432 179.00 800 1200 75 157 432 501 140.0 180 180 180 3.20 180 234
TRG-492 261.00 1100 700 85 173 492 552 152.5 180 180 180 3.20 318 218

* Max. Bore for H Type: TRG-432 = 202 mm & TRG-492 = 234 mm.

# Dimension B for H Type: TRG-432 = 302 mm & TRG-492 = 349 mm.

Fast Sizing Support

Request Quotation for Type-TRG

Specify your TRG size (TRG-105 to TRG-492), cover type (Type V or Type H), kW @ RPM, or shaft diameters.