Bearing assembly with direct drive
Type LTD

LTD

Description

Bearing assemblies with direct drive are suitable for applications where high performance and low space requirements are important criteria. The integration of the drive into the bearing housing means that wear-prone assemblies for transmitting drive power, such as toothed belts, shafts or chains, can be dispensed with. This reduces the required drive energy and also benefits more accurate positioning.

Properties - Evaluation

Accuracy
Speed
Ø-Range
Price

Technical data

Material

C45N (optionally aluminium)

Operating temperature

-10 °C to +80 °C

Mounting position

Any

Lubricant

With bearing grease via grease nipple

Options

Absolute measuring system, axial cable outlet, control units incl. cables, water-cooling

Further Information


Data tables

Compare data and calculate load cases
LTD0100
Name ΚΚØ
mm
Load ratings
kN
Torque
Nm
Power
A
Speed
1/min.
Weight
kg
Order no. CAD
Cadenas
C0a C0r Ca Cr MNom MPeak INom IPeak nmax
LTD-0100 100 46 22 17 14 4,5 16 1,8 7 2140 8 609818
Power Graphs

 

 

 

Power comparisonLTD-0100LTD-0215LTD-0320LTD-0385
Nominal Data (free air convection)        
Nominal Torque TNomAC Nm 4,5 26,4 77 118
Nominal Current INomAC Arms 1,8 3,1 4,3 4,3
Nominal Speed nNomAC rpm 2140 640 299 193
Nominal Power PNomAC W 1005 1770 2409 2386
Winding Losses1 PVDAC W 54 131 230 309
Total Losses2 PDAC W 96 179 295 357
Holding Torque THAC Nm 3,2 18,7 54 83
Holding Current IHAC Arms 1,2 2,2 3 3
 
Peak Data        
Peak Torque TPeak Nm 16 105 329 522
Peak Current IPeak Arms 7 12,8 21,6 21,7
Speed at Peak Torque nPeak rpm 1130 320 126 74
Peak Power PPeak W 1897 3526 4343 4049
Winding Losses1 PPeak W 863 2236 5886 7876
Total Losses2 PDPeak W 877 2253 5904 7889
 
Power Data        
Torque Constant kt Nm/Arms 2,549 8,51 18,037 27,449
    Vrms/(rad/s) 1,577 5,2 11,094 16,694
BEMF Constant (Phase - Phase) ke Vrms/(rpm) 0,165 0,545 1,162 1,748
Motor Constant km Nm/vW 0,459 1,973 4,483 6,25
Idle Speed nidle rpm 2390 727 340 226
max. Speed (Fieldweaking) nmax rpm - - - -
max. Frequency (Idle/Fieldweaking) fmax Hz 398 254 159 124
DC Bus Voltage UDC VDC 560 560 560 560
Ø Resistance per Phase (winding only) RPh20 Ω 4,419 3,457 3,206 4,235
Ø Inductance per Phase (winding only) LPh mH 21,727 19,532 21,071 28,049
electr. Time Constant t=L/R Tel ms 4,92 5,65 6,57 6,62
Number of Polepairs n   10 21 28 33
Winding Connection     Star Star Star Star
 
Measuring System        
Measuring Method incremental
Reference mark single coded
Measuring principle inductive
Interface 1 Vpp
Cable length 1 m
Grating period 1000 µm
Line count 256 640 938 1200
Interpolation 10-fold
Number of signal periods 2560 6400 9380 12000
Position error per grating period ±11" ±4,5" ±3" ±2,5"
Grating period accuracy (±10µm arc length) ±51" ±20" ±14" ±11"
Max. scaning frequency 40 kHz
Voltage supply 4V to 7V DC
Electrical connection cable with M23, 12 pin male

 

 

 

 

 

Annotations:

1 Winding Losses are referred to a Coil Temperature of 100°C.

2 The total Losses are made up of: Winding Losses; Stator Iron Losses; Rotor Losses; Calculation of total Losses: Winding Losses + Stator Iron Losses (at speed X) + Rotor Losses (at speed X)

Ensure that your servo drive can handle the Nominal- and Peakcurrent of the Motor. An adjustment of the Speed and DC Bus Voltage can be done after consultation. The nominal data in this datasheet are based on an ambient/coolant temperature of 20°C The stated nominal Torques are without consideration of friction losses through Bearings or Sealings.

Because the exact duty type depends also on the thermal connection of the motor, the embedded thermal monitoring system has to be analysed and attented. However, attention has to be payed that the temperature sensors do not show the exact temperature of the winding and this could be up to 20 K higher due to thermal capacities. Despite an electrical insulation towards the winding, you are only allowed to connect the sensors to your controller by using a galvanic separation in between.

LTD0215
Name ΚΚØ
mm
Load ratings
kN
Torque
Nm
Power
A
Speed
1/min.
Weight
kg
Order no. CAD
Cadenas
C0a C0r Ca Cr MNom MPeak INom IPeak nmax
LTD-0215 215 128 60 26 22 26,4 105 3,1 12,8 640 21 609885
Power Graphs

 

 

 

Power comparisonLTD-0100LTD-0215LTD-0320LTD-0385
Nominal Data (free air convection)        
Nominal Torque TNomAC Nm 4,5 26,4 77 118
Nominal Current INomAC Arms 1,8 3,1 4,3 4,3
Nominal Speed nNomAC rpm 2140 640 299 193
Nominal Power PNomAC W 1005 1770 2409 2386
Winding Losses1 PVDAC W 54 131 230 309
Total Losses2 PDAC W 96 179 295 357
Holding Torque THAC Nm 3,2 18,7 54 83
Holding Current IHAC Arms 1,2 2,2 3 3
 
Peak Data        
Peak Torque TPeak Nm 16 105 329 522
Peak Current IPeak Arms 7 12,8 21,6 21,7
Speed at Peak Torque nPeak rpm 1130 320 126 74
Peak Power PPeak W 1897 3526 4343 4049
Winding Losses1 PPeak W 863 2236 5886 7876
Total Losses2 PDPeak W 877 2253 5904 7889
 
Power Data        
Torque Constant kt Nm/Arms 2,549 8,51 18,037 27,449
    Vrms/(rad/s) 1,577 5,2 11,094 16,694
BEMF Constant (Phase - Phase) ke Vrms/(rpm) 0,165 0,545 1,162 1,748
Motor Constant km Nm/vW 0,459 1,973 4,483 6,25
Idle Speed nidle rpm 2390 727 340 226
max. Speed (Fieldweaking) nmax rpm - - - -
max. Frequency (Idle/Fieldweaking) fmax Hz 398 254 159 124
DC Bus Voltage UDC VDC 560 560 560 560
Ø Resistance per Phase (winding only) RPh20 Ω 4,419 3,457 3,206 4,235
Ø Inductance per Phase (winding only) LPh mH 21,727 19,532 21,071 28,049
electr. Time Constant t=L/R Tel ms 4,92 5,65 6,57 6,62
Number of Polepairs n   10 21 28 33
Winding Connection     Star Star Star Star
 
Measuring System        
Measuring Method incremental
Reference mark single coded
Measuring principle inductive
Interface 1 Vpp
Cable length 1 m
Grating period 1000 µm
Line count 256 640 938 1200
Interpolation 10-fold
Number of signal periods 2560 6400 9380 12000
Position error per grating period ±11" ±4,5" ±3" ±2,5"
Grating period accuracy (±10µm arc length) ±51" ±20" ±14" ±11"
Max. scaning frequency 40 kHz
Voltage supply 4V to 7V DC
Electrical connection cable with M23, 12 pin male

 

 

 

 

 

Annotations:

1 Winding Losses are referred to a Coil Temperature of 100°C.

2 The total Losses are made up of: Winding Losses; Stator Iron Losses; Rotor Losses; Calculation of total Losses: Winding Losses + Stator Iron Losses (at speed X) + Rotor Losses (at speed X)

Ensure that your servo drive can handle the Nominal- and Peakcurrent of the Motor. An adjustment of the Speed and DC Bus Voltage can be done after consultation. The nominal data in this datasheet are based on an ambient/coolant temperature of 20°C The stated nominal Torques are without consideration of friction losses through Bearings or Sealings.

Because the exact duty type depends also on the thermal connection of the motor, the embedded thermal monitoring system has to be analysed and attented. However, attention has to be payed that the temperature sensors do not show the exact temperature of the winding and this could be up to 20 K higher due to thermal capacities. Despite an electrical insulation towards the winding, you are only allowed to connect the sensors to your controller by using a galvanic separation in between.

LTD0320
Name ΚΚØ
mm
Load ratings
kN
Torque
Nm
Power
A
Speed
1/min.
Weight
kg
Order no. CAD
Cadenas
C0a C0r Ca Cr MNom MPeak INom IPeak nmax
LTD-0320 320 382 180 45 39 77 329 4,3 21,6 300 44 609886
Power Graphs

 

 

 

Power comparisonLTD-0100LTD-0215LTD-0320LTD-0385
Nominal Data (free air convection)        
Nominal Torque TNomAC Nm 4,5 26,4 77 118
Nominal Current INomAC Arms 1,8 3,1 4,3 4,3
Nominal Speed nNomAC rpm 2140 640 299 193
Nominal Power PNomAC W 1005 1770 2409 2386
Winding Losses1 PVDAC W 54 131 230 309
Total Losses2 PDAC W 96 179 295 357
Holding Torque THAC Nm 3,2 18,7 54 83
Holding Current IHAC Arms 1,2 2,2 3 3
 
Peak Data        
Peak Torque TPeak Nm 16 105 329 522
Peak Current IPeak Arms 7 12,8 21,6 21,7
Speed at Peak Torque nPeak rpm 1130 320 126 74
Peak Power PPeak W 1897 3526 4343 4049
Winding Losses1 PPeak W 863 2236 5886 7876
Total Losses2 PDPeak W 877 2253 5904 7889
 
Power Data        
Torque Constant kt Nm/Arms 2,549 8,51 18,037 27,449
    Vrms/(rad/s) 1,577 5,2 11,094 16,694
BEMF Constant (Phase - Phase) ke Vrms/(rpm) 0,165 0,545 1,162 1,748
Motor Constant km Nm/vW 0,459 1,973 4,483 6,25
Idle Speed nidle rpm 2390 727 340 226
max. Speed (Fieldweaking) nmax rpm - - - -
max. Frequency (Idle/Fieldweaking) fmax Hz 398 254 159 124
DC Bus Voltage UDC VDC 560 560 560 560
Ø Resistance per Phase (winding only) RPh20 Ω 4,419 3,457 3,206 4,235
Ø Inductance per Phase (winding only) LPh mH 21,727 19,532 21,071 28,049
electr. Time Constant t=L/R Tel ms 4,92 5,65 6,57 6,62
Number of Polepairs n   10 21 28 33
Winding Connection     Star Star Star Star
 
Measuring System        
Measuring Method incremental
Reference mark single coded
Measuring principle inductive
Interface 1 Vpp
Cable length 1 m
Grating period 1000 µm
Line count 256 640 938 1200
Interpolation 10-fold
Number of signal periods 2560 6400 9380 12000
Position error per grating period ±11" ±4,5" ±3" ±2,5"
Grating period accuracy (±10µm arc length) ±51" ±20" ±14" ±11"
Max. scaning frequency 40 kHz
Voltage supply 4V to 7V DC
Electrical connection cable with M23, 12 pin male

 

 

 

 

 

Annotations:

1 Winding Losses are referred to a Coil Temperature of 100°C.

2 The total Losses are made up of: Winding Losses; Stator Iron Losses; Rotor Losses; Calculation of total Losses: Winding Losses + Stator Iron Losses (at speed X) + Rotor Losses (at speed X)

Ensure that your servo drive can handle the Nominal- and Peakcurrent of the Motor. An adjustment of the Speed and DC Bus Voltage can be done after consultation. The nominal data in this datasheet are based on an ambient/coolant temperature of 20°C The stated nominal Torques are without consideration of friction losses through Bearings or Sealings.

Because the exact duty type depends also on the thermal connection of the motor, the embedded thermal monitoring system has to be analysed and attented. However, attention has to be payed that the temperature sensors do not show the exact temperature of the winding and this could be up to 20 K higher due to thermal capacities. Despite an electrical insulation towards the winding, you are only allowed to connect the sensors to your controller by using a galvanic separation in between.

LTD0385
Name ΚΚØ
mm
Load ratings
kN
Torque
Nm
Power
A
Speed
1/min.
Weight
kg
Order no. CAD
Cadenas
C0a C0r Ca Cr MNom MPeak INom IPeak nmax
LTD-0385 385 458 216 48 41 118 522 4,3 21,7 193 57 609913

 

 

 

Power comparisonLTD-0100LTD-0215LTD-0320LTD-0385
Nominal Data (free air convection)        
Nominal Torque TNomAC Nm 4,5 26,4 77 118
Nominal Current INomAC Arms 1,8 3,1 4,3 4,3
Nominal Speed nNomAC rpm 2140 640 299 193
Nominal Power PNomAC W 1005 1770 2409 2386
Winding Losses1 PVDAC W 54 131 230 309
Total Losses2 PDAC W 96 179 295 357
Holding Torque THAC Nm 3,2 18,7 54 83
Holding Current IHAC Arms 1,2 2,2 3 3
 
Peak Data        
Peak Torque TPeak Nm 16 105 329 522
Peak Current IPeak Arms 7 12,8 21,6 21,7
Speed at Peak Torque nPeak rpm 1130 320 126 74
Peak Power PPeak W 1897 3526 4343 4049
Winding Losses1 PPeak W 863 2236 5886 7876
Total Losses2 PDPeak W 877 2253 5904 7889
 
Power Data        
Torque Constant kt Nm/Arms 2,549 8,51 18,037 27,449
    Vrms/(rad/s) 1,577 5,2 11,094 16,694
BEMF Constant (Phase - Phase) ke Vrms/(rpm) 0,165 0,545 1,162 1,748
Motor Constant km Nm/vW 0,459 1,973 4,483 6,25
Idle Speed nidle rpm 2390 727 340 226
max. Speed (Fieldweaking) nmax rpm - - - -
max. Frequency (Idle/Fieldweaking) fmax Hz 398 254 159 124
DC Bus Voltage UDC VDC 560 560 560 560
Ø Resistance per Phase (winding only) RPh20 Ω 4,419 3,457 3,206 4,235
Ø Inductance per Phase (winding only) LPh mH 21,727 19,532 21,071 28,049
electr. Time Constant t=L/R Tel ms 4,92 5,65 6,57 6,62
Number of Polepairs n   10 21 28 33
Winding Connection     Star Star Star Star
 
Measuring System        
Measuring Method incremental
Reference mark single coded
Measuring principle inductive
Interface 1 Vpp
Cable length 1 m
Grating period 1000 µm
Line count 256 640 938 1200
Interpolation 10-fold
Number of signal periods 2560 6400 9380 12000
Position error per grating period ±11" ±4,5" ±3" ±2,5"
Grating period accuracy (±10µm arc length) ±51" ±20" ±14" ±11"
Max. scaning frequency 40 kHz
Voltage supply 4V to 7V DC
Electrical connection cable with M23, 12 pin male

 

 

 

 

 

Annotations:

1 Winding Losses are referred to a Coil Temperature of 100°C.

2 The total Losses are made up of: Winding Losses; Stator Iron Losses; Rotor Losses; Calculation of total Losses: Winding Losses + Stator Iron Losses (at speed X) + Rotor Losses (at speed X)

Ensure that your servo drive can handle the Nominal- and Peakcurrent of the Motor. An adjustment of the Speed and DC Bus Voltage can be done after consultation. The nominal data in this datasheet are based on an ambient/coolant temperature of 20°C The stated nominal Torques are without consideration of friction losses through Bearings or Sealings.

Because the exact duty type depends also on the thermal connection of the motor, the embedded thermal monitoring system has to be analysed and attented. However, attention has to be payed that the temperature sensors do not show the exact temperature of the winding and this could be up to 20 K higher due to thermal capacities. Despite an electrical insulation towards the winding, you are only allowed to connect the sensors to your controller by using a galvanic separation in between.

Design examples