pallet truck wheel type roller / steel / polyurethane

HB-pallet truck roller series:
Tread: Made of high-quality, reaction-injected
polyurethane-elastomer Blickle Besthane?,
92? shore A hardness, low-noise operation,
very low rolling resistance, high dynamic
load capacity, good floor preservation, high
abrasion resistance, high cut and tear
propagation resistance, colour brown,
non-marking, non-staining, very good
chemical connection with the wheel centre.
(Material description page 39)
Wheel centre: Made of steel or grey cast iron.
Bearing types:
? Ball bearing: Two pressed-in ball bearings,
lubricated with long-life grease.
? Wheel centre without ball bearing (with
bearing seat)
Other features:
High chemical resistance to many aggressive
substances (table page 36-37).
Operating temperature: -25? C to +70? C,
temporarily up to +90?C.