8″ Front Casters With 7/16″ Bearings 8″ Casters, 7/16″ Bearings ORDER# 21-101B… $16.97 Ea.Caster Assembly; 8 x 1″, 8-Spoke Black, Grey Rubber Tire, 2-3/8″ Hub, 7/16″ Non-Precision Bearings.Fits: Most Most Invacare Wheelchairs! ORDER# 21-101BB… $19.95 Ea.Caster Assembly; 8 x 1″, 8-Spoke Black, Black Rubber Tire, 2-3/8″ Hub, Tire is molded on, 7/16″ Non-Precision Bearings. Most Popular 5/5 ORDER# 21-101G… $16.97 Ea.Caster Assembly; 8 x 1″, 8-Spoke Grey, Grey Rubber Tire, 2-3/8″ Hub, 7/16″ , Non-Precision Bearings.Fits: Most Most Wheelchairs! ORDER# 20-1439… $23.50 Ea.Caster Assembly; 8 x 1″, 6-Spoke Black, Grey Rubber Tire, 7/16″ Bearing, 1-3/4″ Hub, Molded-On Light Grey Rubber Tire (Tire Can Not Be Replaced)Non-Precision Bearing. ORDER# 20-1437… $29.25 Ea.Caster Assembly; 8 x 1″, 8-Spoke Grey, Black Urethane Tire, 2-3/8″ Hub, 7/16″ Non-Precision Bearings. ORDER# 20-1442… $32.50 Ea.Caster Assembly; 8 x 1″, 5-Spoke Gray, Grey Rubber Tire, 7/16″ Bearing, 2-5/16″ Hub, Molded-On Light Grey Rubber Tire, Heavy-Duty ORDER# 20-1443… $32.50 Ea.Caster Assembly; 8 x 1″, 5-Spoke Black, Grey Rubber Tire, 7/16″ Bearing, 2-5/16″ Hub, Molded-On Light Grey Rubber Tire, Heavy-Duty