Toro 1.375 Inch x 0.749 Inch x 4.088 Inch OEM Bearing Spacer. You can have confidence that a Toro bearing spacer will perform as it was designed to. Keeping your equipment running for years. Toro conducts continuous and extensive bearing tests to assure they will not fail for specific applications and mechanisms. That’s where the big difference is between Toro and will-fitters.