J-type without frame oil seal
Standard: HG4-338-66 
Usage: for the rotation axis of the sealing material: nitrile rubber, fluorine rubber Product
Hardness: 80 ± 5 ° A
Working pressure: ≤ 0.03Mpa
Operating temperature: 40 ~ + 120 ºC
Standard Source: HG4-338-66 (J )