Cast Iron Nmrv 110 130 150 Worm Gear Reducer Worm Gear Speed Reducer

Price $35.00 Compare
Min Order 10 Pieces
Shipping From Zhejiang, China
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SLER TRANSMISSION DEVICES (HANGZHOU) CO., LTD.

VIP   Audited Supplier 3 years
Profile Certified by SGS/BV
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 materialCast iron/Ductile iron
Housing hardnessHBS190-240
Gear material20CrMnTi alloy steel
Surface hardness of gearsHRC58°~62 °
Gear core hardnessHRC33~40
Input / Output shaft material42CrMo alloy steel
Input / Output shaft hardnessHRC25~30
Machining precision of gearsaccurate grinding, 6~5 Grade
Lubricating oilGB L-CKC220-460, Shell Omala220-460
Heat treatmenttempering, cementiting, quenching, etc.
Efficiency94%~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 bearingsChina top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested,NSK.
Brand of oil sealNAK --- 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

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.
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