Questions and answers

Do you need washers for bushings?

Do you need washers for bushings?

For a standard bushing combo we suggest using a large cupped washer to hold the barrel bushing in place, and a small cupped washer to hold the cone bushing in place. Cupped washers grip the bushings and reduce the “slop” in the turn.

What is the difference between a washer and a bushing?

is that bushing is (mechanical engineering) a type of bearing, a cylindrical lining designed to reduce friction and wear inside a hole, often used as a casing for a shaft, pin or hinge while washer is something that washes; especially an appliance such as a washing machine or dishwasher.

What are machine bushings?

Machine bushings, sometimes referred to as plain bearings, are a washer shaped precision bearing often used as a spacer on shafts. They are made from carbon steel and do not provide as much lubricity against moving parts as compared to thrust washers.

Do Bones bushings need bottom washers?

This is the recommended installation method from Bones. Although you can still use the washers provided with your trucks, you might not see the full benefit of the Bones Bushings. The bottom bushing is designed to just sit on the baseplate. The top bushing is secured with a large washer (provided).

How do I choose a bushing?

Consider standard barrel/cone bushings. Cruising and carving require a bit of a softer bushing depending on your weight. Soft bushings are more responsive when you lean allowing for better turning. get cup washers if you want more stability and flat washers for optimal turns (less stable).

What is a thrust washer used for?

Thrust washers, also known as rotary thrust washers or thrust bearings, are a thin, flat, washer shaped component often made of cast bronze. Commonly used in rotating assemblies, thrust washers support axial loads and are instrumental in keeping components aligned along a shaft.

What material is used for bushings?

Cast nylon (nylon 6) is a widely used bushing material and can handle up to 4,000 PSI. Cast nylon is available in several grades including heat stabilized, Moly-filled and oil-filled.

Which bones bushings should I get?

Many skateboarders recommend Bones bushings for street skating, but you’re fine with standard barrel/cone bushings. anything between 87A, 90A, or 92A will do. Depending on how loose or tight you prefer your skateboard trucks, you can go higher or lower on the durometer scale.

Are bones hard bushings good?

The hard bushings from Bones are perfect. They definitely stiffened up the trucks and hold up to my ollies. If you want stiff trucks and/or need something heftier to put up with extra weight, these are perfect.

Can a thrust washer be used with a flanged bushing?

Flanged bushings or thrust washers are advantageous even if axial loads are light and a surface is not adequate to accommodate the thrust, either because the material or its finish is unsuitable. Note that the counter surface should completely cover the sliding surface of the flange of a flanged bushing.

Do you cover the sliding surface of a bushing?

Note that the counter surface should completely cover the sliding surface of the flange of a flanged bushing. For bearing arrangements where flanged bushings are used, the transition from housing bore to abutment should be chamfered so that it does not contact the bushing where it meets the flange ( fig. 4 ).

Which is the best material to use for bushings?

SKF solid bronze bushings ( table 1) are suitable for a wide range of operating conditions and applications. The solid bronze material is particularly well suited for highly demanding applications in tough environments. SKF offers a standard assortment of both straight and flanged solid bronze bushings ( fig. 1 ).

What should be considered when designing bushing arrangements?

The factors that are most important to consider when selecting the material and surface finish of the counter surface on which the bushing slides are the load conditions such as load, angle of oscillation, type of movement, and environmental influences. Where there is a risk of corrosion, the counter face should be sufficiently resistant.