Part No. JCB 991/20021
NBR
Cylinder
O-Ring
O-Shape
High Pressure
Non-continuous Vulcanization
Standard
Single End
High Pressure Mechanical Seals
High-Speed Mechanical Seal
High Temperature Mechanical Seal
-45°c~+260°c
GDK
Carton, Pallet
1~800mm
Guangzhou, China
4016931000
Product Description
"GDK Hydraulic Cylinder Seal Kit for Excavator Part No. JCB 991/20021 "
Supply Ability
Supply Ability :500000 Pieces/month
Packaging & Delivery
Product Information
Product Description
Oil seal is an integral part in any rotating and moving part assembly. They close
spaces between stationary and moving components in mechanical equipment.
An oil seal normally consists of three basic components: The Sealing Element
(the nitrile rubber part), the Metal Case, and the Spring. It is a widely used sealing
component.










Supply Ability
Supply Ability :500000 Pieces/month
Packaging & Delivery
Packaging Details
Inner is corrugated paper with film shrinkable. outer is carton with film wrapped.
Port: Guangzhou, China
Lead Time:Quantity(Pieces) | 1 - 10000 | >10000 |
Est. Time(days) | 15 | To be negotiated |
Product Information
Material | NBR |
Working speed | 15m/s |
Working Pressure | 0~60MPa |
Working temperature | -45°~260ºC |
Working medium | Hydraulic Oil, Gas, Water, Automotive, Industrial |

Name | Excavator Sealing series Hydraulic seal kit 991-20021 |
SIZE | Based on your requirements |
Material | EPDM,NBR ,NR,PTFE,PU,Silicone,etc.(heat,cold,abration,resistance.) |
Hardness | NBR:HS75A° |
FR: HSS0A° | |
PUR:HS85A° | |
Rubber with Fabric Insertion:HS95A° | |
Working temperature | ≤32Mpa Bud -Shape Ring≤50Mpa |
Working Medium | Hydraulic Oil |
Characteristics | Ozone -resistant,high/low temperature- resistant.wering resistant.oil resistant,voltage-resistant,ect |
Colors | Various |
Oil seal is an integral part in any rotating and moving part assembly. They close
spaces between stationary and moving components in mechanical equipment.
An oil seal normally consists of three basic components: The Sealing Element
(the nitrile rubber part), the Metal Case, and the Spring. It is a widely used sealing
component.










