Worm Gearbox Speed Reducer Selection:
Model | NMRV050-10-80B14 |
Type | Single Step Reducer (Flange input) |
Speed Ratio | 10 15 20 25 30 40 50 60 80 100: 1(choose the ratio you need) |
Input Bore Size | 19mm |
Input Flange Model | 80B14 |
Output Bore Size | 25mm |
Input speed | 1400r/min (Matched with 4 poles motor) |
Please choose the correct ratio you need, if not please tell us what kind of product type do you need. Such as:
1.Motor Drawing
2.Speed Ratio
3.Input/Output Bore(C)
4.Input Square Flange Length (A)
5.Distane of Diagonal Screw(D)
6.Rabbet (B);


Return Policy
If the item you received is damaged or defective,Please contact us immediately.We will arrange for free replacement or refund.
We will pay the return shipping costs if the product is defective or the return is caused for our mistake. Otherwise, you are going to take charge with the returning shipping fee.
You can return your purchase for up to 60 days from the date of delivery. No refund will be issued if the product shows signs of use. Returned package must be in the original packaging, everything must be in new condition, No missing parts.
Our guarantee does not cover accidental damage and problems caused by customers.Thank you very much for your understanding!
We will use standard shipping and Express shipping .
Most order with confirmed payment will be shipped out in 2-3 business days. Delivery time may vary depends on the destination and the shipping service you choose.
1. The standard shipping way: we will ship the item by standard speedpark, the estimated delivery time will be 8-12 business days to US, UK, AU, CA and DE; to other country, it will take 10-15 business days.
2. The express shipping way: we will ship it by DHL, FEDEX, EMS, UPS, USPS and so on.
The delivery takes 3-7 business days to UK,USA,AU and CA. It takes 5-10 business days to other countries.
Note:If you need it urgently, you can contact us to ship with Express Shipping, but you may need to pay extra shipping cost.





