Shaft Diameter	20.866 Inch / 530 Mi
Manufacturer Name	SKF
Nominal Width	0.866 Inch / 22 Mill
Keyword String	Lip
Lip Retainer	None
Long Description	530MM Shaft Dia; 580
Category	Oil Seals
Manufacturer Item Number	530X580X22 HDS7 R
Generic Design Code	C_R_HDS7
UNSPSC	31411705
Type of Seal	Oil Seal
Seal Design Code	HDS7
Lip Material	Nitrile
Other Features	Heavy Duty
Weight / LBS	9.975
Harmonized Tariff Code	4016.93.50.20
Housing Bore	22.835 Inch / 580 Mi
Weight / Kilogram	4.015
Solid or Split Seal	Solid
Inch - Metric	Metric

B 760X775X2.5 B 760X775X2.5 PTFE Backup RingsPTFE Backup	Manufacturer Name:SKF; Nominal Width:0.918 Inch / 23.317; Weight / LBS:0.68; Spring Loaded:No; Lip Retainer:None; Case Construction:Steel; Manufacturer Item Number:27536; Generic Design Code:C_R_HDDF1; Housing Bore:4.03 Inch / 102.362; Actual Width:0.918 Inch / 23.317; Keyword String:Lip; Number of
B 1085X1100 XX5 PTFE B 1085X1100X2.5 PTFE Backup RingsPTFE Backup	Lip Retainer:None; Category:Oil Seals; Manufacturer Item Number:45X55X4 HM4 R; Noun:Seal; Seal Design Code:HM4; Inch - Metric:Metric; Weight / LBS:0.075; Generic Design Code:C_R_HM4; Long Description:45MM Shaft Dia; 55MM; Case Construction:Steel and Rubber; Keyword String:Lip; Lip Material:Nitrile;
2107.021.01 B 785.2X800X3 PTFE Backup RingsPTFE Backup	Harmonized Tariff Code:4016.93.50.20; Other Features:Large / 1 Butt Joint; UNSPSC:31411705; Manufacturer Name:SKF; Lip Retainer:Stainless Steel Gart; Long Description:43 Shaft Dia; Housing Bore:45 Inch / 1,143 Mill; Category:Oil Seals; Noun:Seal; Type of Seal:Oil Seal; Manufacturer Item Number:43005
BV63H82500-PT00 B 825X837.7X2.5 PTFE Backup RingsPTFE Backup	Shaft Diameter:14.5 Inch / 368.3 Mi; Weight / Kilogram:1.386; Case Construction:Rubber; Long Description:14-1/2 Shaft Dia; Type of Seal:Oil Seal; Weight / LBS:3.058; Housing Bore:15.5 Inch / 393.7 Mi; Actual Width:0.625 Inch / 15.875; UNSPSC:31411705; Manufacturer Item Number:1450027; Spring Loaded:
B 815X830X2.5 B 815X830X2.5 PTFE Backup RingsPTFE Backup	Weight / Kilogram:0.873; Category:O-Rings And V-Rings; Product Group:S02252; Manufacturer Name:SKF;
B 840X855X2.5 PTFE B 840X855X2.5 PTFE Backup RingsPTFE Backup	Shaft Diameter:2.340 in; Lip Material:Nitrile Rubber (NBR); Weight:0.06 lbs; Spring Material:Carbon Steel; Seal Type:Rotary shaft seal/Ra; Outside Diameter:3.067 in; Solid / Split:Solid; Spring Type:Garter Spring; Width:0.383 in; Compatible V-Rings:400600;400601;400604; Casing:Steel; Number of Lips:
B 905X920X2.5 PTFE B 905X920X2.5 PTFE Backup RingsPTFE Backup	Weight / Kilogram:2.825; Housing Bore:18.5 Inch / 469.9 Mi; Case Construction:Steel; Actual Width:0.813 Inch / 20.65 M; UNSPSC:31411705; Spring Loaded:Yes; Weight / LBS:6.233; Manufacturer Item Number:1600750; Lip Retainer:Stainless Steel Gart; Manufacturer Name:SKF; Harmonized Tariff Code:4016.93.5
BV63H8750-PT00 B 875X887.7X2.5 PTFE Backup RingsPTFE Backup	Noun:Seal Packing; Product Specification:Block Vee Seal Packi; Category:Sealing Devices; Long Description:Block Vee Seal Packi; UNSPSC:31411700; Weight / Kilogram:0.033; Manufacturer Name:SKF; Product Detail:Seal Packing;

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.

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.

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.

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 ...

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.

MS28774-446 B 215.8X228X2.7 PTFE Backup RingsPTFE Backup Video

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MS28774-446 B 215.8X228X2.7 PTFE Backup RingsPTFE Backup MODELS

MS28774-446 B 215.8X228X2.7 PTFE Backup RingsPTFE Backup

MS28774-446 B 215.8X228X2.7 PTFE Backup RingsPTFE Backup SPECIFICATIONS

MS28774-446 B 215.8X228X2.7 PTFE Backup RingsPTFE Backup Dimensions