NMRV110
Motor, Machinery, Agricultural Machinery
Hardened Tooth Surface
B3,B6,B7,B8,V5,V6
Coaxial
Cylindrical Gear
Single-Step
Gear Reducer
4kw
56rpm
573nm
225I
SLER
Plywood Box or Carton Box
25-150
Zhejiang, China
84834030
Product Description
Cast Iron Nmrv 110 130 150 Worm Gear Reducer Worm Gear Speed Reducer
Input Configurations | Double or single input shaft (NRV) |
PAM / IEC motor input shaft with circle or square flange (NMRV) | |
Output Configurations | Double or single output shaft |
Output flange |

Technical Data:
Housing material | Cast iron/Ductile iron |
Housing hardness | HBS190-240 |
Gear material | 20CrMnTi alloy steel |
Surface hardness of gears | HRC58°~62 ° |
Gear core hardness | HRC33~40 |
Input / Output shaft material | 42CrMo alloy steel |
Input / Output shaft hardness | HRC25~30 |
Machining precision of gears | accurate grinding, 6~5 Grade |
Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
Heat treatment | tempering, cementiting, quenching, etc. |
Efficiency | 94%~96% (depends on the transmission stage) |
Noise (MAX) | 60~68dB |
Temp. rise (MAX) | 40°C |
Temp. rise (Oil)(MAX) | 50°C |
Vibration | ≤20µm |
Backlash | ≤20Arcmin |
Brand of bearings | China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested,NSK. |
Brand of oil seal | NAK --- Taiwan or other brands requested |
Main applied for
Harbor and shipping
Hoist and transport
Electric power
Coal mining
Cement and construction
Paper and light industry
Hoist and transport
Electric power
Coal mining
Cement and construction
Paper and light industry
Specification
Model | Motor Input Flange (circle) | Transmission Ratio | Power (kw) | Ratio (i) | Nominal Torque (Nm) | |||||||||||||||
PAM / IEC | Internal Dia. | Dis. Between Diagonal Screw Holes | External Dia. | Width of Key Slot | 5 | 7.5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 60 | 80 | 100 | ||||
N | M | P | E | Diamter of Input Shaft | ||||||||||||||||
NMRV25 | 56B14 | 50 | 65 | 80 | 3 | 9 | - | 9 | - | 0.06 | 7.5-60 | 2.6-14 | ||||||||
NMRV30 | 63B5 | 95 | 115 | 140 | 4 | 11 | - | 0.06-0.18 | 7.5-80 | 2.6-14 | ||||||||||
63B14 | 60 | 75 | 90 | |||||||||||||||||
56B5 | 80 | 100 | 120 | 3 | 9 | - | ||||||||||||||
56B14 | 50 | 65 | 80 | |||||||||||||||||
NMRV40 | 71B5 | 110 | 130 | 160 | 5 | 14 | - | 0.09-0.37 | 7.5-100 | 11-53 | ||||||||||
71B14 | 70 | 85 | 105 | |||||||||||||||||
63B5 | 95 | 115 | 140 | 4 | 11 | |||||||||||||||
63B14 | 60 | 75 | 90 | |||||||||||||||||
56B5 | 80 | 100 | 120 | 3 | - | 9 | ||||||||||||||
NMRV50 | 80B5 | 130 | 165 | 200 | 6 | 19 | - | 0.12-0.75 | 7.5-100 | 21-89 | ||||||||||
80B14 | 80 | 100 | 120 | |||||||||||||||||
71B5 | 110 | 130 | 160 | 5 | 14 | - | ||||||||||||||
71B14 | 70 | 85 | 105 | |||||||||||||||||
63B5 | 95 | 115 | 140 | 4 | - | 11 | ||||||||||||||
NMRV63 | 90B5 | 130 | 165 | 200 | 8 | 24 | - | 0.25-1.5 | 7.5-100 | 56-166 | ||||||||||
90B14 | 95 | 115 | 140 | |||||||||||||||||
80B5 | 130 | 165 | 200 | 6 | 19 | - | ||||||||||||||
80B14 | 80 | 100 | 120 | |||||||||||||||||
71B5 | 110 | 130 | 160 | 5 | - | 14 | ||||||||||||||
71B14 | 70 | 85 | 105 | |||||||||||||||||
NMRV75 | 100/112B5 | 180 | 215 | 250 | 8 | - | 28 | - | 0.55-4 | 7.5-100 | 90-269 | |||||||||
100/112B14 | 110 | 130 | 160 | |||||||||||||||||
90B5 | 130 | 165 | 200 | 8 | 24 | - | ||||||||||||||
90B14 | 95 | 115 | 140 | |||||||||||||||||
80B5 | 130 | 165 | 200 | 6 | - | 19 | ||||||||||||||
80B14 | 80 | 100 | 120 | |||||||||||||||||
71B5 | 110 | 130 | 160 | - | - | 14 | ||||||||||||||
NMRV90 | 100/112B5 | 180 | 215 | 250 | 8 | - | 28 | - | 0.55-4 | 7.5-100 | 101-458 | |||||||||
100/112B14 | 110 | 130 | 160 | |||||||||||||||||
90B5 | 130 | 165 | 200 | 8 | 24 | - | ||||||||||||||
90B14 | 95 | 115 | 140 | |||||||||||||||||
80B5 | 130 | 165 | 200 | 6 | - | 19 | ||||||||||||||
80B14 | 80 | 100 | 120 | |||||||||||||||||
NMRV110 | 132B5 | 230 | 265 | 300 | 10 | - | 38 | - | 1.1-7.5 | 7.5-100 | 242-660 | |||||||||
132B14 | 130 | 165 | 200 | - | ||||||||||||||||
100/112B5 | 180 | 215 | 250 | 8 | 28 | - | ||||||||||||||
90B5 | 130 | 165 | 200 | - | 24 | |||||||||||||||
90B14 | 95 | 115 | 140 | - | ||||||||||||||||
80B5 | 130 | 165 | 200 | - | 19 | |||||||||||||||
NMRV130 | 132B5 | 230 | 265 | 300 | 10 | - | 38 | - | 2.2-7.5 | 7.5-100 | 333-1596 | |||||||||
132B14 | 130 | 165 | 200 | - | ||||||||||||||||
100/112B5 | 180 | 215 | 250 | 8 | - | 28 | ||||||||||||||
90B5 | 130 | 165 | 200 | - | - | 24 | ||||||||||||||
90B14 | 95 | 115 | 140 | |||||||||||||||||
NMRV150 | 160B5 | 250 | 300 | 350 | 12 | - | 42 | - | 2.2-15 | 7.5-100 | 570-1760 | |||||||||
132B5 | 230 | 265 | 300 | 10 | - | 38 | - | |||||||||||||
132B14 | 130 | 165 | 200 | - | ||||||||||||||||
100/112B5 | 180 | 215 | 250 | 8 | - | 28 |
Company profile

Scenario

Packing

FAQ
Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc.
Q2: How can you guarantee the quality?
A: One year's warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection.
Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application...as much data as possible. If you can supply some pictures or drawings,it is nice.
Q4: If we don't find what we want on your website, what should we do?
A: We offer three options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on.
Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.
Q6: How about your product delivery time?
A: Normally for 20'container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.