390 Series (PTB)
R1.00
Housing: | Pressed Steel, Double Ballrace Swivel Zinc Plated, Dust-Proof Seal |
Wheel: | Polyurethane on Cast Iron Hub , Precision Double – Ball Bearing Low Rolling Resistance, Durable Wear resistant Temperature Range -15 °C ~ 80 °C Hardness: 95 ± 3 shore A |