TC TG4 20/21/22/23/24/25/26/27/28/29mm ID Black Nitrile Rubber NBR Grooved Lip Spring Gasket Ring Radial Shaft Skeleton Oil Seal

High-concerned chemical：None Standard or Nonstandard：Standard Model Number：TC 20/21/22/23/24/25/26/27/28/29mm Material：Rubber Origin：Mainland China Shape：Grooved Gasket Certification：NONE

High-concerned chemical: None Standard or Nonstandard: Standard Model Number: TC 20/21/22/23/24/25/26/27/28/29mm Material: Rubber Origin: Mainland China Shape: Grooved Gasket Certification: NONE