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HRL 120 Frame

The HRL series from Nidec Drive Technology is a planetary product that excels in corrosive, high pressure washdown environments. Made completely from 303 grade austenitic stainless steel, HRL is a safe solution for servo drive systems close to or fully integrated in the process. A seamless, single piece housing helps reduce build-up of bacteria while its IP66 rating allows for high pressure cleaning with water, steam or caustic chemicals. HRL has flexible adaptation to standard B5 style servomotors as well as B14 style stainless servomotors. Available in three sizes and a complete range of reduction ratios, HRL is a robust, reliable, maintenance-free solution allowing our customers to reduce risk and increase productivity.

  • All-stainless construction
  • IP66 Ingress Protection with Viton seals
  • NSF H1 Synthetic Food Grade Grease
  • Mounting for standard servomotors with B5 flanges or stainless servomotors with B14 flanges
  • Cost-effective solution for highly corrosive environments with demanding washdown regimens

Technical Data

HRL 120 Frame Size, Single Stage Specifications

Reduction RatioUnits345710
Nominal Output Torque 1[Nm]100120120120105
Maximum Output Torque 2[Nm]180200200200180
Maximum Torque[Nm]255255255255255
Emergency Stop Torque 3[Nm]200480480480410
Nominal Input Speed[rpm]25002500250025002500
Maximum Input Speed[rpm]50005000500050005000
No Load Running Torque[Nm]0.600.600.600.600.60
Maximum Radial Load[N]30003000300030003000
Maximum Axial Load[N]15001500150015001500
Moment of Inertia (≤Ø 14)[kgcm2]–––––
Moment of Inertia (≤Ø 19)[kgcm2]2.16 – 5.782.16 – 5.782.16 – 5.782.16 – 5.782.16 – 5.78
Moment of Inertia (≤ Ø 24)[kgcm2]2.59 – 6.252.59 – 6.252.59 – 6.252.59 – 6.252.59 – 6.25
Moment of Inertia (≤ Ø 32)[kgcm2]2.92 – 6.592.92 – 6.592.92 – 6.592.92 – 6.592.92 – 6.59
Efficiency[%]9090909090
Torsional Rigidity[Nm/arc-min]8.3 – 178.3 – 178.3 – 178.3 – 178.3 – 17
Maximum Torsional Backlash[arc-min]Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6
Noise LeveldB [A]≤ 68≤ 68≤ 68≤ 68≤ 68
Service Lifehrs30,00030,00030,00030,00030,000
Protection ClassIPIP66IP66IP66IP66IP66
Seal Material–VitonVitonVitonVitonViton
Lubrication–NSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade Grease
Output Shaft Material–303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel
Housing Material–303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel
Ambient Temperature[°C]-20 to +90-20 to +90-20 to +90-20 to +90-20 to +90
Permitted Housing Temperature[°C]9090909090
Weight[kg]8.8 – 10.98.8 – 10.98.8 – 10.98.8 – 10.98.8 – 10.9

HRL 120 Frame Size, Two Stage Specifications

Reduction RatioUnits1216202535405070100
Nominal Output Torque 1[Nm]170210210210210210210210165
Maximum Output Torque 2[Nm]215255255255255255255255180
Maximum Torque[Nm]255255255255255255255255255
Emergency Stop Torque 3[Nm]400480480480480480480480410
Nominal Input Speed[rpm]250025002500250025002500250025002500
Maximum Input Speed[rpm]500050005000500050005000500050005000
No Load Running Torque[Nm]0.600.600.600.600.600.600.600.600.60
Maximum Radial Load[N]300030003000300030003000300030003000
Maximum Axial Load[N]150015001500150015001500150015001500
Moment of Inertia (≤Ø 14)[kgcm2]–––––––––
Moment of Inertia (≤Ø 19)[kgcm2]2.16 – 5.782.16 – 5.782.16 – 5.782.16 – 5.782.16 – 5.782.16 – 5.782.16 – 5.782.16 – 5.782.16 – 5.78
Moment of Inertia (≤ Ø 24)[kgcm2]2.59 – 6.252.59 – 6.252.59 – 6.252.59 – 6.252.59 – 6.252.59 – 6.252.59 – 6.252.59 – 6.252.59 – 6.25
Moment of Inertia (≤ Ø 32)[kgcm2]2.92 – 6.592.92 – 6.592.92 – 6.592.92 – 6.592.92 – 6.592.92 – 6.592.92 – 6.592.92 – 6.592.92 – 6.59
Efficiency[%]929292929292929292
Torsional Rigidity[Nm/arc-min]8.3 – 178.3 – 178.3 – 178.3 – 178.3 – 178.3 – 178.3 – 178.3 – 178.3 – 17
Maximum Torsional Backlash[arc-min]Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6		Standard: ≤ 8
Reduced: ≤ 6
Noise LeveldB [A]≤ 68≤ 68≤ 68≤ 68≤ 68≤ 68≤ 68≤ 68≤ 68
Service Lifehrs30,00030,00030,00030,00030,00030,00030,00030,00030,000
Protection ClassIPIP66P66P66P66P66P66P66P66P66
Seal Material–VitonVitonVitonVitonVitonVitonVitonVitonViton
Lubrication–NSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade GreaseNSF H1 Food Grade Grease
Output Shaft Material–303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel
Housing Material–303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel303 Grade Stainless Steel
Ambient Temperature[°C]-20 to +90-20 to +90-20 to +90-20 to +90-20 to +90-20 to +90-20 to +90-20 to +90-20 to +90
Permitted Housing Temperature[°C]909090909090909090
Weight[kg]8.8 – 10.98.8 – 10.98.8 – 10.98.8 – 10.98.8 – 10.98.8 – 10.98.8 – 10.98.8 – 10.98.8 – 10.9
  1. Value refers to n1=3000 1/min and S1-mode
  2. 1000x per hour
  3. Allowed 500 times