• Motovario HA31+NMRV Helical-Worm Reducers (NMRV 040/050, 22-315:1)
1 1

Motovario HA31+NMRV Helical-Worm Reducers (NMRV 040/050, 22-315:1)

Motovario HA31+NMRV Helical-Worm Reducers (NMRV 040/050, 22-315:1)

Combination units pairing a Motovario HA31 helical inline stage with an NMRV 040 or NMRV 050 worm gearbox for high total ratios. Supplied predisposed for IEC 63, 71 or 80 B5 motors depending on ratio.

Key features

  • Two-stage helical + worm combination for total ratios from 22.08:1 to 315:1
  • HA31 helical input stage coupled to NMRV 040 or NMRV 050 worm gear unit
  • Motor predisposition for IEC 63, 71 and 80 frame B5 flange motors (per ratio)
  • Modular NMRV aluminium worm housing with hollow output shaft
  • Compatible with standard NMRV accessories (shafts, flanges, torque arms)

Specifications

Series HA31 + NMRV (combination)
Worm gear sizes NMRV 040, NMRV 050
Helical stage ratios (i1) 2.94 - 7.88
Worm stage ratios (i2) 5 - 60
Total ratio range 22.08 - 315:1
Motor input IEC 63 / 71 / 80, B5 flange
Output Hollow shaft (NMRV)
Source Motovario NMRV / NMRVpower catalogue, HA31+NMRV predisposition table
HA31+NMRV040 22,08 Ratio i1 x i2: 2.94 x 7.5 | Worm: NMRV 040 | IEC input: 63/71/80 B5
HA31+NMRV040 23,75 Ratio i1 x i2: 4.75 x 5 | Worm: NMRV 040 | IEC input: 63/71/80 B5
HA31+NMRV040 25,50 Ratio i1 x i2: 5.10 x 5 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 29,44 Ratio i1 x i2: 2.94 x 10 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 31,50 Ratio i1 x i2: 6.30 x 5 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 35,63 Ratio i1 x i2: 4.75 x 7.5 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 40,91 Ratio i1 x i2: 5.45 x 7.5 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 44,17 Ratio i1 x i2: 2.94 x 15 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 47,50 Ratio i1 x i2: 4.75 x 10 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 54,55 Ratio i1 x i2: 5.45 x 10 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 58,89 Ratio i1 x i2: 2.94 x 20 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 63,00 Ratio i1 x i2: 6.30 x 10 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 71,25 Ratio i1 x i2: 4.75 x 15 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 78,75 Ratio i1 x i2: 7.88 x 10 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 88,33 Ratio i1 x i2: 2.94 x 30 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 94,50 Ratio i1 x i2: 6.30 x 15 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 102,00 Ratio i1 x i2: 5.10 x 20 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 109,09 Ratio i1 x i2: 5.45 x 20 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 118,13 Ratio i1 x i2: 7.88 x 15 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 127,50 Ratio i1 x i2: 5.10 x 25 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 142,50 Ratio i1 x i2: 4.75 x 30 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 154,67 Ratio i1 x i2: 3.87 x 40 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 163,64 Ratio i1 x i2: 5.45 x 30 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 189,00 Ratio i1 x i2: 6.30 x 30 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 204,00 Ratio i1 x i2: 5.10 x 40 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV050 22,08 Ratio i1 x i2: 2.94 x 7.5 | Worm: NMRV 050 | IEC input: 71/80 B5
HA31+NMRV050 23,75 Ratio i1 x i2: 4.75 x 5 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 25,50 Ratio i1 x i2: 5.10 x 5 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 29,44 Ratio i1 x i2: 2.94 x 10 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 31,50 Ratio i1 x i2: 6.30 x 5 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 35,63 Ratio i1 x i2: 4.75 x 7.5 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 40,91 Ratio i1 x i2: 5.45 x 7.5 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 44,17 Ratio i1 x i2: 2.94 x 15 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 47,50 Ratio i1 x i2: 4.75 x 10 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 54,55 Ratio i1 x i2: 5.45 x 10 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 58,89 Ratio i1 x i2: 2.94 x 20 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 63,00 Ratio i1 x i2: 6.30 x 10 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 71,25 Ratio i1 x i2: 4.75 x 15 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 78,75 Ratio i1 x i2: 7.88 x 10 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 88,33 Ratio i1 x i2: 2.94 x 30 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 94,50 Ratio i1 x i2: 6.30 x 15 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 102,00 Ratio i1 x i2: 5.10 x 20 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 109,09 Ratio i1 x i2: 5.45 x 20 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 118,13 Ratio i1 x i2: 7.88 x 15 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 127,50 Ratio i1 x i2: 5.10 x 25 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 142,50 Ratio i1 x i2: 4.75 x 30 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 154,67 Ratio i1 x i2: 3.87 x 40 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 163,64 Ratio i1 x i2: 5.45 x 30 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 189,00 Ratio i1 x i2: 6.30 x 30 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 204,00 Ratio i1 x i2: 5.10 x 40 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 236,25 Ratio i1 x i2: 7.88 x 30 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 252,00 Ratio i1 x i2: 6.30 x 40 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 272,73 Ratio i1 x i2: 5.45 x 50 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 285,00 Ratio i1 x i2: 4.75 x 60 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 315,00 Ratio i1 x i2: 6.30 x 50 | Worm: NMRV 050 | IEC input: 63 B5
Worm Gear ReducersMotovario
55 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
RFQ List 0 Email about this

Need a different model, or a part not listed here? Send us your parts list →

Motovario HA31+NMRV Helical-Worm Reducers (NMRV 040/050, 22-315:1)

Brand Motovario·Worm Gear Reducers

Available part numbers (55)

HA31+NMRV040 22,08, HA31+NMRV040 23,75, HA31+NMRV040 25,50, HA31+NMRV040 29,44, HA31+NMRV040 31,50, HA31+NMRV040 35,63, HA31+NMRV040 40,91, HA31+NMRV040 44,17, HA31+NMRV040 47,50, HA31+NMRV040 54,55 + 45 more — see full table ↓

How to order

Send the Motovario part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

RFQ List 0 →
View full details
Product codes & specifications
0 selected
RFQ List (0)
Product codeSpec
HA31+NMRV040 22,08Ratio i1 x i2: 2.94 x 7.5 | Worm: NMRV 040 | IEC input: 63/71/80 B5
HA31+NMRV040 23,75Ratio i1 x i2: 4.75 x 5 | Worm: NMRV 040 | IEC input: 63/71/80 B5
HA31+NMRV040 25,50Ratio i1 x i2: 5.10 x 5 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 29,44Ratio i1 x i2: 2.94 x 10 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 31,50Ratio i1 x i2: 6.30 x 5 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 35,63Ratio i1 x i2: 4.75 x 7.5 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 40,91Ratio i1 x i2: 5.45 x 7.5 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 44,17Ratio i1 x i2: 2.94 x 15 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 47,50Ratio i1 x i2: 4.75 x 10 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 54,55Ratio i1 x i2: 5.45 x 10 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 58,89Ratio i1 x i2: 2.94 x 20 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 63,00Ratio i1 x i2: 6.30 x 10 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 71,25Ratio i1 x i2: 4.75 x 15 | Worm: NMRV 040 | IEC input: 63/71 B5
HA31+NMRV040 78,75Ratio i1 x i2: 7.88 x 10 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 88,33Ratio i1 x i2: 2.94 x 30 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 94,50Ratio i1 x i2: 6.30 x 15 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 102,00Ratio i1 x i2: 5.10 x 20 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 109,09Ratio i1 x i2: 5.45 x 20 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 118,13Ratio i1 x i2: 7.88 x 15 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 127,50Ratio i1 x i2: 5.10 x 25 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 142,50Ratio i1 x i2: 4.75 x 30 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 154,67Ratio i1 x i2: 3.87 x 40 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 163,64Ratio i1 x i2: 5.45 x 30 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 189,00Ratio i1 x i2: 6.30 x 30 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV040 204,00Ratio i1 x i2: 5.10 x 40 | Worm: NMRV 040 | IEC input: 63 B5
HA31+NMRV050 22,08Ratio i1 x i2: 2.94 x 7.5 | Worm: NMRV 050 | IEC input: 71/80 B5
HA31+NMRV050 23,75Ratio i1 x i2: 4.75 x 5 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 25,50Ratio i1 x i2: 5.10 x 5 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 29,44Ratio i1 x i2: 2.94 x 10 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 31,50Ratio i1 x i2: 6.30 x 5 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 35,63Ratio i1 x i2: 4.75 x 7.5 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 40,91Ratio i1 x i2: 5.45 x 7.5 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 44,17Ratio i1 x i2: 2.94 x 15 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 47,50Ratio i1 x i2: 4.75 x 10 | Worm: NMRV 050 | IEC input: 63/71/80 B5
HA31+NMRV050 54,55Ratio i1 x i2: 5.45 x 10 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 58,89Ratio i1 x i2: 2.94 x 20 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 63,00Ratio i1 x i2: 6.30 x 10 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 71,25Ratio i1 x i2: 4.75 x 15 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 78,75Ratio i1 x i2: 7.88 x 10 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 88,33Ratio i1 x i2: 2.94 x 30 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 94,50Ratio i1 x i2: 6.30 x 15 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 102,00Ratio i1 x i2: 5.10 x 20 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 109,09Ratio i1 x i2: 5.45 x 20 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 118,13Ratio i1 x i2: 7.88 x 15 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 127,50Ratio i1 x i2: 5.10 x 25 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 142,50Ratio i1 x i2: 4.75 x 30 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 154,67Ratio i1 x i2: 3.87 x 40 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 163,64Ratio i1 x i2: 5.45 x 30 | Worm: NMRV 050 | IEC input: 63/71 B5
HA31+NMRV050 189,00Ratio i1 x i2: 6.30 x 30 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 204,00Ratio i1 x i2: 5.10 x 40 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 236,25Ratio i1 x i2: 7.88 x 30 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 252,00Ratio i1 x i2: 6.30 x 40 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 272,73Ratio i1 x i2: 5.45 x 50 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 285,00Ratio i1 x i2: 4.75 x 60 | Worm: NMRV 050 | IEC input: 63 B5
HA31+NMRV050 315,00Ratio i1 x i2: 6.30 x 50 | Worm: NMRV 050 | IEC input: 63 B5

Need a different model, or a part not listed here? Send us your parts list →

Related products

All Motors & Gearheads →