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420 Series (PTB – WPU)

R1.00

Housing: HD pressed steel, double ballrace swivel
Zinc-plated,Dust- proof seal
Wheel: HD PU on CI hub,double precision ball-bearing
Good rolling resistance
Wear resistant, durable
Temperature range -15 ° C  80 ° C
Hardness: 90 ± 5 shore A
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