7.5:1 Worm Gearbox NMRVS50 Worm Gear Speed Reducer 19mm Input Shaft Diameter

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In Stock: 10000
Model: NMRVS50-G7.5-D19
Gross Weight: 3.85kg

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The size of this gearbox is 110mmx110mm and the input shaft diameter is 19mm. This worm gearbox is designed for Nema 42 Stepper Motor or other 110mmx110mm size motor, the output shaft is offset by 90° from the drive shaft. Besides big cases, no gap structure of box means a maintenance-free that is hermetically sealed. It prevents the lubricant from easily losing and going bad, and exchanging.

If you would like to know more about the difference between old and new worm gears, please read this article.

Worm gearboxes are generally recommended to use B3 installation type, if you use other installation types, please contact us for customization.

Feature

High torque and high strength
Worm wheel: Bronze Cu Sn12 Ni2 (UNI7013-10)
Excellent mechanical strength and particularly lightweight
Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity

Gearbox Specifications

Manufacturer Part Number: NMRVS50-G7.5-D19
Gearbox Type: Worm Gearbox
Gear Ratio: 7.5:1
Output Max.Permissible Torque: 72Nm(637.25lb-in)
Output Max. Radial Load: 1.80kN
Output Type: Hollow Bore
Output Bore Diameter: Φ25mm
Input Shaft Type: Key way
Input Shaft Diameter: Φ19mm
Input Shaft Max. Length: 43mm

Note

Recommend Input Speed <=1500rpm.
Due to high backlash, worm gearboxes are not suitable for positioning applications.

Physical Specification
Gear Ratio(xx:1)	7.5
Gearbox Size	050
Gearbox Type	Worm Gearbox
Input Shaft Diameter(mm)	19
Input Shaft Max. Length	43mm
Matching Motor Type	Nema Size Stepper Motor
Inventory Method	Dedicated Inventory

Versatile Input Options:

Additional Input Shaft: Expand your gearbox configuration by adding an extra input shaft on the opposite side. (Image of gearbox with additional input shaft).
Motor Input (Default): Connect directly to a motor for convenient power transfer.
Shaft Input (Available): Accommodate shaft-driven applications with this adaptable option. (Distinguish models by the first letter: M for motor input, S for shaft input).

Additional Components for Customization:

Output Shaft, Flange, and Torque Arm: Purchase these components separately to tailor your gearbox setup precisely to your needs. (Image of gearbox components).

Color Options to Match Your Design:

Default Color: Gray.
Optional Colors: Silver and blue (Image of gearbox in different colors).

Flange Variety for Diverse Installations:

Round Flange (Default): The standard choice for most applications.
Square and Custom Input Mounting Flanges: Available upon request for specialized mounting requirements.

Installation Considerations:

Recommended Installation Type: B3 for optimal worm gearbox performance.
Customization Available: Contact us if you need a different installation type to suit your specific needs.

File	Size
NMRVS50-G7.5-D19_Full_Datasheet.pdf	146.1KB	Download

Tags: NMRV50 Worm Gearbox, Worm Drive Gearbox, Gear Ratio(xx:1): 7.5, Gearbox Type: Worm Gearbox, Input Shaft Diameter(mm): 19, Input Shaft Max. Length: 43mm, Matching Motor Type: Nema Size Stepper Motor, Gearbox Size: 050, Inventory Method: Dedicated Inventory