Timken Industrial Seal Catalog

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Glossary Glossary Inner Case: Rigid, cup-shaped component within a seal assembly that is used as a reinforcing member, shield, spring retainer and/or lip clamping device. Labyrinth Sealing product that uses an intricate Seal: pathway to exclude debris and retain lubrication. Lip Inner-most diameter of the seal lip, Diameter: measured with the spring installed. Lip Load: Radial force exerted by the seal lip geometry and spring loading. Expressed as force per unit of shaft circumference. Lip Seal: Elastomeric element that prevents leakage in dynamic and static applications through means of geometry and loading. Lubricant Inadequate lubrication at the seal Starvation: interface which causes premature wear of seals. Offset: Radial distance between the centerlines of the seal bore and the shaft rotation. Outer Case: Rigid structure of lip-seal assembly that houses all components of the seal assembly. Plunge Surface texture of a shaft or wear Ground: sleeve produced by using a grinding wheel perpendicular to the rotating shaft, without axial motion. Primary Lip: Elastomeric sealing element that rides against the rotating surface facing 1.) inward toward the lubricant for grease inclusion or 2.) outward from the lubricant for contaminant exclusion. Radial Lip Assembly containing an elastomeric Seal: element that prevents leakage in dynamic and static applications through means of geometry and loading. Radial Radial force exerted by the seal lip Load: geometry and spring loading. Expressed as a force per unit of shaft circumference. Roughness: Anomalies in the surface texture of the shaft which result from the manufacturing process. [See SAE J448a (June 1963)] Seal Case: Rigid member to which the elastomeric element is attached. 24 Seal Outer External diameter of the lip seal Diameter assembly that interfaces with the (O.D.): housing bore diameter. Shaft Radial distance describing how much Eccentricity: the geometric centerline of the shaft is displaced from the axis of the shaft rotation. Shaft Lead: Helical grooves in a shaft surface that are caused by relative axial movement of the grinding wheel to shaft. “Slip-Stick”: Friction challenge caused by a sealing element that adheres to and rotates with the shaft surface until the elastic characteristics of the sealing element overcome the adhesive force, causing the seal lip to loose contact with the rotating surface long enough to cause leakage. Normally associated with non-lubricated and boundary-lubricated conditions, this cycle repeats itself again and again. Spring A semicircular depression in the head Groove: section of a seal that accommodates the garter spring. Spring Section of the primary lip that restricts Retaining axial movement of the extension spring Lip: from its proper position. Surface Quality, appearance and characteristics Finish: of a shaft surface due to processing such as grinding, burnishing, etc. [See SAE J488a (June 1963)] Unidirectional/ Type of seal designed for applications Unirotational in which the shaft rotates in only one Seal: direction. Unitized Seal assembly in which all the parts are Seal: retained in a single package. Volume Increase in seal size due to the absorp- Swell: tion of fluid by the elastomer. Usually leads to signs of incompatibility. Wear Replaceable metal sleeve used in Sleeve: assemblies to prevent grooving from contamination at the seal-shaft interface. Weepage: Small amount of liquid leakage from a seal.
Oil Seals Appendix A – Product Identification by Model Number Model Prefix Seal Material Description Model Prefix Seal Material Description 25001 Timken N SPLIT 21 25002 SILICONE (SIL) SPLIT 25008 Timken V SPLIT 25018 Timken ES SPLIT 25003 Timken N SPLIT 23 25004 SILICONE (SIL) SPLIT 25006 Timken V SPLIT 25010 Timken ES SPLIT 25005 Timken N SPLIT 24 25029 Timken ES SPLIT 25030 Timken V SPLIT 25 25056 PTFE SOLID 25058 PTFE SPLIT 24600 Timken N SOLID 24602 Timken V SOLID 26 24610 Timken N SPLIT 24612 Timken V SPLIT 24626 Timken ES SOLID 24627 Timken ES SPLIT 26E 24678 Timken N EXTERNAL SPLIT 24656 Timken ES HIGH RUNOUT, SPLIT 24660 Timken N HIGH RUNOUT 26HR 24662 Timken V HIGH RUNOUT 24663 Timken N HIGH RUNOUT, SPLIT 24664 Timken ES HIGH RUNOUT, SOLID 24650 Timken N NO SPRING 26NS 24652 Timken V NO SPRING 24606 Timken V SPLIT , DUAL LIP 24608 Timken N SPLIT, DUAL LIP 24620 Timken N DUAL LIP 26R1 24622 Timken V DUAL LIP 24629 Timken ES DUAL LIP 24648 Timken ES SPLIT, DUAL LIP 50 21020 Timken N GARTER SPRING 21022 Timken N METAL BUTTONS 51 21486 Timken N BRASS BUTTONS 21619 Timken N 21086 Timken N STD 21095 SILICONE (SIL) STD 53 21096 Timken ES STD 21699 Timken V STD 22543 Timken V STD 53F1 22544 Timken ES STD 22987 Timken N STD 22627 Timken N STD 53R2 22634 Timken ES STD 23708 Timken V STD 22897 Timken N STD 53T2 22903 Timken V STD 54 21140 Timken N STD 26056 Timken N STD 57 26057 Timken V STD 26058 Timken ES STD 58 21003 CERAMIC STD 24700 Timken N STD 59 24702 Timken V STD 24715 Timken ES STD • Note: Please see Appendix B on page 30 for obsolete seal model to part number conversions. 24750 Timken N GYLON EXCLUDER LIP 59G1 24751 Timken ES GYLON EXCLUDER LIP 24752 Timken V GYLON EXLUDER LIP 24060 GYLON GYLON LIP , FLUORO GSKT 24062 GYLON DBL TANDEM , GYLON LIP, FLUORO GSKT 24063 GYLON DBL OPPOSED , GYLON LIP, FLUORO GSKT P/S ® I 24076 DT FDA GYLON DBL TANDEM, FDA GYLON LIP, FLUORO GSKT 24125 Std FDA GYLON FDA GYLON LIP, FLUORO GSKT 24128 DO FDA GYLON DBL OPPOSED, FDA GYLON LIP, FLUORO GSKT 62 21702 PTFE STD 21158 Timken N STD 21168 SILICONE (SIL) STD 63 21290 Timken ES STD 21695 Timken V STD 63F1 23078 Timken N FELT 23501 Timken ES GYLON EXCLUDER LIP 63G1 23502 Timken V GYLON EXCLUDER LIP 23503 Timken V GYLON EXCLUDER LIP 23052 Timken ES DUAL OPPOSED LIP - SINGLE SPRING 23547 Timken N DUAL OPPOSED LIP - 63R1 SINGLE SPRING 23548 Timken N DUAL OPPOSED LIP - DUAL SPRING 23627 Timken V DUAL OPPOSED LIP - DUAL SPRING 63R2 23769 Timken ES DUAL OPPOSED LIP - DUAL SPRING 23550 Timken N DUAL TANDEM LIP - DUAL SPRING 63T2 23552 Timken V DUAL TANDEM LIP - DUAL SPRING 25
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 and 28: Bearing Isolators Product Informati
Page 29: Glossary Width Assembled Seal made
Page 33 and 34: Oil Seals Appendix A - Product Iden
Page 35 and 36: 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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