Timken Industrial Seal Catalog

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22 • Filled PTFE construction • FDA compliant • Excellent chemical resistance blue glass filled • Meets NEMA MG 1-2003 PTFE • Meets IEEE 841-2001 test standards • Fluoroelastomer • No arbor press required for O-rings standard installation • Custom designed for individual stepshaft applications • Filled PTFE construction • FDA compliant • Excellent chemical resistance blue glass filled • Meets NEMA MG 1-2003 PTFE • Meets IEEE 841-2001 test standards • Fluoroelastomer • No arbor press required for O-rings standard installation • Two O.D. O-Rings for increased retention in the bore • Vertical design for top applications only • Excellent chemical resistance • Multi-position capability • No arbor press required for installation • Unique pumping/fanning action • Excellent chemical resistance • Multi-position capability • No arbor press required for installation • Unique pumping/fanning action • Designed to fit small c/s with no equipment modification • Excellent chemical resistance • Multi-position capability • No arbor press required for installation • Unique pumping/fanning action • Does not extend past face of housing • Graphite-filled PTFE • Fluoroelastomer O-rings standard • Graphite-filled PTFE • Fluoroelastomer O-rings standard • Graphite-filled PTFE • Fluoroelastomer O-rings standard For larger shaft diameters, please contact your Timken sales representative. Product Information Bearing Isolators Non-Metallic Shaft Surface Axial Misalign. Isolator Features Materials Temperature Diameter Speed Motion & Runout Pressure (Glass-Filled PTFE) in. (mm) in. (mm) in. @ f/m (mm@m/s) Step Shaft Vertical Standard Standard C/S -30°F (-34°C) to 0.875 to 12,000 f/m ±0.025 ±0.020 Ambient 400°F (204°C) 10.500 (60.9 m/s) (0.64) (0.51) (22.2 to 266.7) -30°F (-34°C) to 0.875 to 12,000 f/m ±0.015 ±0.010 Ambient 400°F (204°C) 5.500 (60.9 m/s) (0.38) (0.25) (22.2 to 139.7) Non-Metallic Shaft Surface Axial Misalign. Isolator Features Materials Temperature Diameter Speed Motion & Runout Pressure (Graphite-Filled PTFE) in. (mm) in. (mm) in. @ f/m (mm@m/s) Flangeless -40°F (-40°C) to 0.875 to 4,500 f/m ±0.015 ±0.015 Ambient 400°F (204°C) 6.000 (22.9 m/s) (0.38) (0.38) (22.2 to 152.4) -40°F (-40°C) to 0.875 to 4,500 f/m ±0.015 ±0.015 Ambient 400°F (204°C) 10.500 (22.9 m/s) (0.38) (0.38) (22.2 to 266.7) -40°F (-40°C) to 0.875 to 4,500 f/m ±0.015 ±0.015 Ambient 400°F (204°C) 6.000 (22.9 m/s) (0.38) (0.38) (22.2 to 152.4)
Glossary Width Assembled Seal made up of a group of parts, Seal: including sealing surface(s), provisions for initial loading and a secondary sealing mechanism to accommodate radial movement required for installation and operation. Axial Gap between element heel and seal lip. Clearance: Back Lip Angle seen from the back of the seal Angle: coinciding with the seal interface. Bearing Product using labyrinth sealing methods Isolator: and other techniques to provide highperformance sealing technology for demanding applications in operating environments with high levels of contamination. Bonded Assembly in which the insert and/or Seal: spring is bonded to the elastomer sealing element. Contact Interface where sealing element reacts Point: with the shaft or bore housing. Contact Line Axial distance from seal face to Height: contact point. Seal O.D. - Flare Face of the Seal Back of the Seal Seal O.D. - Heel Contact Amount of area reacting dynamically in Width: the axial direction. Dynamic Amount by which a shaft, at the sealing Runout: surface, does not rotate around the true center. Measured by holding a dial indicator against the shaft surface while it is slowly rotated. The resulting measurement is called a total indicator reading, or TIR. Shaft Front Lip Angle Contact Point Back Lip Angle Hinge Glossary Elastomer: Synthetic and natural materials that are able to be vulcanized and can be elongated at least twice their original length at room temperature, but are able to return to their approximate “normal” length when released. Common material used in the manufacture of seals. End Play: Measurement of axial movement allowed, in reference to the shaft on which the seal lip comes into contact. Face Lip Angle seen from the face of the seal Angle: coinciding with the seal interface. Fluid Side: 1.) Refers to face of the seal when goal is to retain lubricant. 2.) Refers to the back of the seal when goal is to exclude contamination. Garter Helically-coiled wire in the form of a Spring: ring that helps maintain a radial sealing force between the radial seal lip element and a shaft or bore. A close wound spring is used for tension and an open wound is used for compression. Heel: Part of lip seal case located tangent to the back of the seal. Hinge: Point at which the seal lip pivots around the seal assembly. Housing Cylindrical surface that mates with the Bore: OD of a standard lip seal’s outer case or an external lip seal’s contact lip. Inclusion: Retaining lubricant by facing the seal in toward the lubricant. 23
Page 1: Timken Industrial Seal Catalog High
Page 4 and 5: Introduction At Timken, customers t
Page 7 and 8: Technology Overview Turn to Timken
Page 9 and 10: Engineering Data Comparing Shaft Le
Page 11 and 12: Engineering Data Table 7: Shaft and
Page 13 and 14: Seals Installation Instructions Ins
Page 15 and 16: Seal & Material Selection Seal Sele
Page 17 and 18: Oil Seals Product Information Large
Page 19 and 20: Oil Seals Product Information Large
Page 21 and 22: Oil Seals Product Information Shaft
Page 23 and 24: Oil Seals Product Information Speci
Page 25 and 26: Bearing Isolators Configurations Bo
Page 27: Bearing Isolators Product Informati
Page 31 and 32: Oil Seals Appendix A - Product Iden
Page 37 and 38: Oil Seals Appendix B - Obsolete App
Page 39 and 40: Oil Seals Appendix C - Compound Com
Page 45 and 46: Oil Seals Appendix D - Failure Anal
Page 47 and 48: Oil Seals Appendix D - Failure Anal
Page 49: Relationship Between RPM, FPM and S
Page 52 and 53: M-2
Page 54 and 55: Oil Seals by Model Number Model Num
Page 56 and 57: Product Inches MM Model Code ID OD
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Product Inches MM Model Code From I
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Seals by Shaft size
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Using This Catalog The following pa
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Oil Seals by Model Number Product I
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Face Seals by Model Number Product
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Oil Seals by Model Number
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Timken Industrial Seal Catalog

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