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390 Series (NGB)

R1.00

Housing: Pressed Steel, Double Ballrace Swivel
Zinc Plated, Dust-Proof Seal
Wheel: Elastic Rubber on nylon hub, Roller Bearing (NGR)
Double Precision Ball Bearing (NGB)
Non-marking, Durable, Excellent floor protection
Good Shock Absorbent, Quiet Operation
Temperature Range -5 °C  70 °C
Hardness: 70 ± 3 shore A