SRI-21X2.6X1 B 21X26.2X1 PTFE Backup RingsPTFE Backup	Case Construction:Steel; Weight / Kilogram:10.24; Shaft Diameter:41.5 Inch / 1,054.1; Housing Bore:43.5 Inch / 1,104.9; UNSPSC:31411705; Actual Width:0.875 Inch / 22.225; Nominal Width:0.875 Inch / 22.225; Harmonized Tariff Code:4016.93.50.20; Lip Material:Nitrile; Manufacturer Item Number:4150566;
MS27595-117 B 21.11X25.48X1.4 PTFE Backup RingsPTFE Backup	UNSPSC:31411704; Manufacturer Name:SKF; Weight / Kilogram:0.052; Category:O-Rings And V-Rings; Long Description:V-Ring; 3.268-3.465"; Product Specification:V-Ring; 3.268-3.465"; Noun:V-Ring; Product Detail:V-Ring;
B 21X26X1.5 B 21X26X1.5 PTFE Backup RingsPTFE Backup	Product Group:S02252; Weight / Kilogram:0.024; Category:O-Rings And V-Rings; Manufacturer Name:SKF;
MS28774-019 B 21.1X23.8X1.3 PTFE Backup RingsPTFE Backup	Lip Material:Nitrile; Manufacturer Item Number:13739; Long Description:1-3/8 Shaft Dia; Actual Width:0.313 Inch / 7.95 Mi; Noun:Seal; Category:Oil Seals; Type of Seal:Oil Seal; Case Construction:Steel; Shaft Diameter:1.375 Inch / 34.925; Weight / LBS:0.095; UNSPSC:31411705; Seal Design Code:CRWA1; K
S11109-315 B 20.96X30.25X.85/1.7 PTFE Backup RingsPTFE Backup	Long Description:28MM Shaft Dia; 47MM; Shaft Diameter:1.102 Inch / 28 Mill; Inch - Metric:Metric; Noun:Seal; Generic Design Code:C_R_CRW1; Solid or Split Seal:Solid; Housing Bore:1.85 Inch / 47 Milli; UNSPSC:31411705; Nominal Width:0.315 Inch / 8 Milli; Weight / LBS:0.081; Weight / Kilogram:0.037; C
MS27595-315 B 20.96X30.25X1.93 PTFE Backup RingsPTFE Backup	Lip Material:Nitrile; Shaft Diameter:100 Inch / 2540 Mill; Type of Seal:Oil Seal; Solid or Split Seal:Solid; Weight / LBS:9.645; Keyword String:Lip; Long Description:100 Shaft Dia; Weight / Kilogram:4.71; Harmonized Tariff Code:4016.93.50.20; Case Construction:Steel and Rubber; Inch - Metric:Inch; G
P21BR B 21X25X1.25 PTFE Backup RingsPTFE Backup	Long Description:365MM Shaft Dia; 405; Other Features:Large / With Inner C; Category:Oil Seals; Solid or Split Seal:Solid; Actual Width:0.709 Inch / 18 Mill; Harmonized Tariff Code:4016.93.50.20; Type of Seal:Oil Seal; Generic Design Code:C_R_HDS3; Weight / LBS:3.583; Seal Design Code:HDS3; Nominal
PTFE BACKUP RING B 21X26.1X1.8 PTFE Backup RingsPTFE Backup	Keyword String:Lip; Weight / Kilogram:0.35; Type of Seal:Oil Seal; Seal Design Code:CRWH2; Category:Oil Seals; Nominal Width:1.031 Inch / 26.187; Shaft Diameter:3.938 Inch / 100.025; UNSPSC:31411705; Inch - Metric:Inch; Housing Bore:5.372 Inch / 136.449; Actual Width:1.031 Inch / 26.187; Lip Materia

S52015-326A B 40.1X49.9X2 PTFE Backup RingsPTFE Backup Video

Backup Rings

A backup ring is a ring of hard, extrusion resistant material such as high-durometer Nitrile, Viton® (FKM), or PTFE. A backup ring is designed to fit between ...

Things to Know about PTFE Backup Rings and Applications

Jul 17, 2014 — PTFE backup rings make the usage of o-rings for static and dynamic applications in hydraulic and pneumatic systems more efficient.

back-up rings - PTFE Competence Center

Back-up rings are manufactured from extrusion resistant material as protection and support elements, normally with a rectangular cross-section.

Backup Rings - PTFE - Freudenberg Sealing Technologies

The PTFE backup rings offer extrusion resistance to a paired o-ring to increase pressure handling capabilities. Find out more about this product and more.

Backup O-Rings - PTFE Rings - Hallite - Hallite Seals

Hallite PME back-up rings are uncut back-up rings made from specific conditioned PTFE to be assembled into one-piece external grooves.

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S52015-326A B 40.1X49.9X2 PTFE Backup RingsPTFE Backup MODELS

S52015-326A B 40.1X49.9X2 PTFE Backup RingsPTFE Backup

S52015-326A B 40.1X49.9X2 PTFE Backup RingsPTFE Backup SPECIFICATIONS

S52015-326A B 40.1X49.9X2 PTFE Backup RingsPTFE Backup Systems

S52015-326A B 40.1X49.9X2 PTFE Backup RingsPTFE Backup Technology