4 in. Performance Wheel with 1.125 in. Bearing Bore
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Description
Competition eligibility — read before buying
Legal for FIRST Robotics Competition (FRC). NOT legal for FIRST Tech Challenge (FTC) — do not build this part into an FTC robot. Eligibility is set by each season's game manual — check the current rules before you compete.
Product Overview
The 4 in. Performance Wheel is a virtually indestructible wheel made out of solid 6061 aluminum. This competition-proven design has been used on FIRST Robotics Competition robots for many years. This new iteration of the wheel has been designed to keep costs down, as it is made from a custom extrusion instead of being fully machined from billet. This wheel can take anything an FRC robot can throw at it, and much more.
This wheel is designed to be supported by 1.125 in. OD (FR8) flanged bearings, and driven by motion hardware that utilizes a 1.875 in. 6-hole bolt circle found in many AndyMark and competition robotics products. To mount one of these to the rear of the wheel use a 250 Sprocket and Pulley Spacer. To mount one to the front, use a 550 Sprocket Spacer. This wheel does not include tread material, which is available separately to tailor this wheel's performance to your application.
Competition eligibility
| FIRST Tech Challenge (FTC) | Not legal |
| FIRST Robotics Competition (FRC) | Legal |
Specifications
| Part number | zy-3611 |
| Bolt Circle | 6 threaded holes for #10-32 screws on a 1.875 in. diameter bolt circle |
| Bolt Pattern | 6 hole 1.875 in. diameter bolt circle |
| Bore | Press for 1.125 in OD (FR8) Flanged Bearing |
| Diameter | 4 in. (with tread) |
| Material | 6061 Aluminum |
| Tread Width | 1 in. |
| Weight | 0.396 lbs |
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