P7H Gearbox: Heavy Duty, 900:1, Stock

$158.90 - $162.50
SKU:
P7H-45533-S
Availability:
Coming Soon
Minimum Purchase:
1 unit

Heavy Duty P7H Gearbox with a 900:1 reduction. Configured with a 1-1/2in long x 1/2 round output shaft, stock square front block, hard black anodized aluminum ringgear, and a selectable input bundle.

Zebra Gearbox
This gearbox is manufactured by Zebra Gearbox. This is a standard configuration from the Zebra P7 line, for more options and built to order configurations please visit ZebraGB.com.

INPUT
All motor input selections include a motor block, pinion, and hardware (screws/washers) to mount the selected motor. Machinable selections include a motor block and a pinion ready to machine to a custom motor. Additional Motor HW Kits and Pinions may be purchased separately. Links to items that will work with gearbox can be found in the Specifications tab.

-- RS-5nn Motor --
Motors with a 3.2mm shaft and a 13mm boss.
Motors with this configuration include RS-540, RS-545, RS-550, and RS-550 motors.

-- RS-5nn or 7nn Motor --
Motor with either a 3.2mm or 5mm shaft and either a 13mm, 15mm or 17.5mm boss. Motors with this configuration include RS-540, RS-545, RS-550, RS-555, RS-775, and RS-775 motors. This configuration provides flexibility in selecting the motor to mount to the gearbox by providing a solution to mount either an RS-5nn motor or an RS-7nn motor. This option also includes bushings to support 13mm and 15mm front boss sizes.

-- RS-7nn Motor --
Motors with a 5mm shaft and a 17.5mm boss.
Motors with this configuration include RS-755, and RS-775 motors.
Some RS-775 motors are manufactured with a 15mm boss on the front; these motors can still be used but will require the motor be manually centered in the motor block. Alternatively, "RS-5nn or 7nn Motor" selection can be used as they provide bushings for the smaller boss.

-- CIM Motor --
Motors with a 8mm shaft and a 3/4in boss.
Motors with this configuration include the FIRST CIM Motor and the REV NEO
The pinion is a PRESS FIT on to the shaft
Gearboxes with a first stage of 5:1 are not supported for CIM motors due to the small pinion size.

-- Machinable Motor Block and Pinion --
Machinable motor block with side mounting holes.
Machinable pinion ready to bore to required size.

SOME ASSEMBLY REQUIRED
Gearbox will be delivered assembled and tested; however, it will need to be disassembled to grease and mount the motor prior to use. No special tools are required, typically only an allen wrench.

GEARBOX MUST BE GREASED
Prior to use the gearbox must be greased, grease IS NOT INCLUDED and must be purchased separately. We recommend Mobil XHP 222 Special grease; however, most lithium based ball bearing grease can be used. We do not sell grease separately, it can be readily purchased from most local auto parts stores or online suppliers such as MSC, Grainger, and McMaster among others. Configurable and Custom gearboxes can be supplied greased.

MAXIMUM TORQUE RECOMMENDATION
Please reference the maximum torque for the gearbox in the Specifications Tab.  The torque given is the FAILURE torque measured at the OUTPUT shaft from destructive bench testing. The torque driven into the gearbox, the gearbox reduction, and an appropriate safety margin should be considered when evaluating the torque in a given system. 

Reduction:
900:1
Height/Width (Square):
1.75 in
Fits In Diameter:
2-3/8 in
Length:
4.17 in +Shaft +Input
Weight:
1lb 4.7 oz +Input
Max Torque:
170 ft-lbs
Planet/Sun Gear Material:
Cold Rolled Steel
Gear Specs:
0.7mod, 20deg PA
Stages:
5 - 4:1, 5:1, 5:1, 3:1, 3:1
Mounting Holes:
Eight Total: #10-32 Thread
Shaft:
1/2in x 1-1/2in
1/8 key
#10-32 end tap
First Stage:
4:1
Motor HW Kits:
P7 4:1 Motor HW Kits
Pinions:
P7 4:1 Pinions
Click arrow in center of image to load and interact with it
Model shows stock configuration with a Machinable Motor Block - 0.3in Thick

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