040BK

1.Bracket made of thick welded steel

2.Double ball bearings swivel head with case hardened raceways with grease nipple

3.Large diameter kingpin

4.Wide fork legs continuously welded to swivel head

5.Metal parts zinc plated yellow passivated finished,ROHS compliance.

BN

1.Elastic black rubber, vulcanized and chemically bonded to nylon wheel

center,doubleprecision ball bearing with nylon thread guard.

2.Rubber Hardness 65°Shore A,

3.High load capacity, low rolling resistance,

high wear resistance, quiet & comfort operation.

4.Temperature range - 22℉ to + 176℉.

5.Operation speed up to 2.5 pmh.

6.Free of polycyclic aromatic hydrocarbons (PAH),

conform to EU-directive 2005/69/EC.