Explore below for drawings showing Albion caster rig construction.

Medium Duty Kingpin Casters

Caster College Medium Duty Kingpin Caster Anatomy

Kingpin Rivet or Kingpin Bolt – A threaded nut and bolt, or staked component, that holds the swivel assembly together

Top Plate – A horizontal plate for attaching a caster to equipment

Load Ball Bearings – Row of steel balls or rollers that allow the yoke base to swivel

Yoke Base – Flat part of the yoke to which the legs attach

Thrust Ball Bearings  – Additional bearings to provide more stability and movement

Button – Forms the lower raceway of the thrust race; keeps thrust bearings in place

Nut – Attaches to a kingpin bolt, holding swivel raceway together

Legs – Metal extensions to support the axle for wheel use

Heavy Duty Kingpin Casters

Caster College Heavy Duty Kingpin Caster Anatomy

Top Plate – A horizontal plate for attaching a caster to equipment. Our Heavy Duty casters have an integrated kingpin bolt.

Load Bearings – Row of steel balls or rollers that allow the yoke base to swivel

Yoke – Assembly to which the legs attach, and in which the bearings rest

Axle Bolt  – The bolt on which the wheel revolves

Axle Nut  – Nut which secures axle bolt to yoke assembly

Retaining Washer – Keeps bearings in place

Kingpin Nut – Attaches to a kingpin bolt, holding swivel raceway together

Spanner Bushing – A tube which spans the legs over the axle, on which the wheel roller bearing rides

Kingpinless Casters

Caster College Kingpinless Caster Anatomy

Top Plate – A horizontal plate for attaching a caster to equipment

Integrated Inner Raceway – Inner Raceway for containing bearings, welded to top plate

Ball Bearings – Row of steel balls that allow the yoke base to swivel

Yoke with Outer Raceway – Assembly to which the legs attach, with precision-machined outer raceway to contain ball bearings

Maintenance Free Casters

Caster College Maintenance Free Kingpin Caster Anatomy

Kingpin Rivet – Holds the top plate and the yoke assembly together

Top Plate – Metal plate for attaching the caster to the application

Retaining Washer – Helps keep the bearing in place

Bearing Seal – Provides a barrier from dirt and debris

Precision Bearing – Self-lubricating, precision-engineered sealed bearing

Yoke – Holds the bearing, welded to the legs

Legs – Metal extensions to hold wheels in place