# Middle Grip Wheel Assembly ## Middle Grip Wheel Assembly Parts Required | **PART NUMBER** | **DESCRIPTION** | **QTY.** | | ------------------------------------------------------- | --------------------------- | -------- | | [REV-41-1267](https://www.revrobotics.com/rev-41-1267/) | 90MM GRIP WHEEL | 1 | | [REV-41-1322](https://www.revrobotics.com/rev-41-1322/) | END CAP BEARING | 1 | | [REV-41-1323](https://www.revrobotics.com/rev-41-1323/) | 15MM SPACER | 1 | | [REV-41-1324](https://www.revrobotics.com/rev-41-1324/) | 3MM SPACER | 2 | | [REV-41-1327](https://www.revrobotics.com/rev-41-1327/) | SHAFT COLLAR | 1 | | [REV-41-1329](https://www.revrobotics.com/rev-41-1329/) | THROUGH BORE BEARING - LONG | 1 | | [REV-41-1337](https://www.revrobotics.com/rev-41-1337/) | 90 TOOTH PLASTIC GEAR | 1 | | [REV-41-1349](https://www.revrobotics.com/rev-41-1349/) | 5MM X 135 MM HEX SHAFT | 1 | ## Middle Grip Wheel Assembly Steps | | | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | Add an End Cap Bearing to the 135 mm x 5mm Hex Shaft. | | | Slide a 3mm Spacer onto the shaft. | | | Slide a 90mm Grip Wheel onto the shaft. | | | Slide a 90 Tooth Plastic Gear onto the shaft. | | | Slide a 15mm Spacer onto the shaft. | | | Slide a 3mm Spacer onto the shaft. | | | Slide a Shaft Collar onto the shaft. Make sure the shaft collar is flush with the 3mm Spacer. Tighten the set screw. | | |

Slide a Through Bore Bearing - Long onto the Shaft.

Note: the longer portion of the bearing faces away from the Shaft Collar.

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MIDDLE GRIP WHEEL ASSEMBLY COMPLETE

Repeat the above steps until there are two completed Middle Grip Wheel Assemblies. Set aside for later.

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