This is a 77x120x21.5 planar bearing.
The bearing use POM balls (Amazon, Aliexpress, ...).
Use the chain "solid plastic pom ball" to search on internet.
Internal diameter : 79mm
External diameter : 120mm
Width : 6mm
Internal diameter : 77mm
External diameter : 108mm
Width : 7.3mm
Total width : 21.5mm
Balls : 14
POM ball diameter : 11.11mm
See the pictures
01/04/2024 : adding “9033_PlanarBearing77x120x21.5.f3d” file (original Fusion design)
9033_PlanarBearing77x120x21.5.f3d | 435.8KB | |
9033_PlanarBearing77x120x21.5_Cage.stl | 925.9KB | |
9033_PlanarBearing77x120x21.5_Ext.stl | 949.7KB | |
9033_PlanarBearing77x120x21.5_Int.stl | 649.4KB |