Keyseat dimensions. Note: When ordering, add the Q-Style Bushing prefix BSHQD to the indicated part number. Keyseat dimensions

 
 Note: When ordering, add the Q-Style Bushing prefix BSHQD to the indicated part numberKeyseat dimensions 844”, and S = 0

The keys and keyways followed the recommendations of ISO R773:1969 and shaft tolerances followed ISO R775:1969. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Which scale was used on this part?21. 6250 2 1/2 1 7/8 1 1/4 2 2 - 1/4 x 1 0. 5”. 60 degrees from the vertical. 3. 2; Thread Shear Area for External and Internal Formulas and Calculator per. 1; Hardware Design Information Misc. 442 2-5/16 2. WIDTH. 0015/-0. The intent of ANSI/AGMA 9002A86 was to offer designers and users standard dimensions and - tolerances for inch bores, keys and keyways for flexible couplings. 0020” Standard Keyseat Dimensions Shaft Diameter Width. The hub should have a tight slide fit on the key. key stock that has a _____ tolerance will need to be fitted by filing etc. 1265 0. , 20 # of Teeth 60BS20H X 1 1/2 TRITAN Finished Bore with Keyway & SS Bore Sprocket, 35 Chain Size, 1 Bore Dia. Size Options (Labyrinth Seal, C/T Sprag) Nominal Bore Keyseat Size* Lubricant (Blank - Oil, GR - Grease) Direction of Rotation * If keyseat is not specified when ordering, the clutch will be supplied with the available standard keyseat. Yeah it's from the bottom of the radius to the flats formed where it breaks out on the shaft. 75 1. Minimum keyseat width is that figure permitting the largest shaft distortion. 75 7 2 2. 53mm (0. 77 . 5: conduit box may be located on either side or on top of. Set Screws . D. 2. ) None; Bushing Required 3020; Width (In. The keys and keyways followed the recommendations of ISO R773:1969 and shaft tolerances followed ISO R775:1969. zSpec. 525mm) PITCH SIMPLEX CHAIN DATA: BS 228/3 ISO 06B-1 PITCH: 9. com. For example, an ANSI 202 measures 1/16 x 1/4, while ANSI 1012 measures 5/16 x 1. 5 14 9 71 14 11 55200 55 49 16 10 80 19 15. 010" for all sizes above. The keyway in the shaft is a semi-circular pocket, the mating part, a longitudinal slot. Key. I will be attaching two sprockets to each shaft in the center. NOMINAL SHAFT DIAMETER. Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel. See dimensions W and h in Figure 1. maintain the bushing’s position on the shaft until the cap. hubs and bushings. 8. Chain dimensions are easy to navigate through for analysis purposes, as each level is clearly linked back to the previous one in. The width of a square or flat key should be ¼ of the _____ of the shaft. Bore Diameter Size Bore Reference -0. American Pulley • Phone: 205-663-3002 • Fax: 205-664-3351 •. Related: Shaft Key Seat for Shaft and Hub ANSI B17. 2 standards for dimensions and tolerances. ) 2 in; See all product information Get 10% off your order U. The above chart provides typical Baldor•Reliance motor dimensions. -0. 2 Protection against falling water up to. ANSI B17. ANSI Key No. BSI Shop. 1. Keyseat Dimensions Keyseat is an axially located rectangular groove in a shaft,hub or bushing. Ansi B17 1 Standard Keyway Dimensions Lowellcorp Keys and Keyseats - ASME Shaft Key Seat Depth Control Values S and T for Shaft and. TRITAN Finished Bore with Keyway & SS Bore Roller Chain Sprocket, 40-2 Chain Size, 30 # of Teeth D40BS30 X 1 1/4 TRITAN Sprocket, Double, 1/2-in. For more exact dimensional data, please check the specific drawing for each catalog number. The annexes also include the recommended design practice for tapered shafts for use with flexible couplings. Non standard bores and over the keyways. 1 Keyway Dimensions - Lowell Corporation KEYS AND KEYWAYS - Union College Ansi B17 1 Standard Keyway. Pitch, 28 Hardened Teeth, 3/4-in. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. 25 wide w. 1American Pulley stocks X-Style bushings in the following bore and keyseat sizes. Filled with practical information, this 118-page handbook (3. The nominal size of the key is a 10 x 8. 4235 : PART 1 : 1972 Keyseat Dimensions A Keyseat is an axially located rectangular groove in a shaft,hub or bushing. Clearly if the peg is 1-inch square and the hole is 4 inches in diameter, then the peg will easily fit in the hole, albeit useless. What dimension is indicated as not drawn to scale? 24. Select the Material. Carbide Staggered-Tooth Keyseat End Mills. Always used cold rolled square (for MS shafts). 5 20 12 100 28 24 87280 80 71 22 14 112 28 24 87315 85 76 22 14 132 38 33 10 8 355 85 76 22 14 160 37 4 2 8 *Contact your local Baldor office for “L” Dimensions. The Metric system does not refer to keyseat or keyway dimensions as does the English system. ANSI B18. Woodruff Key Slot Dimensions; Woodruff Keyseat Dimensions;Inch keys conform to ANSI B17. 0 No Keyseat 1 Standard Keyseat X No Keyseat or Standard Keyseat Part Number Examples L095118 L095 x 1-1/8” Hub L07512NK L075 x 1/2” No Keyseat Hub L09515/16 L095 x 15/16” Hub Bore Tolerances Bore Size Tolerance Up to and +. Parallel Metric Keys and Keyway Dimensions - Roy Mech. 5 2012 10028 248 7 28075 712214 11228 248 7 31580 762214 13238 3310 8 35585 762214 16042 37 128 *Contact your local Baldor office for “L” Dimensions. 937. Note: When ordering, add the Q-Style Bushing prefix BSHQD to the indicated part number. 1 Square Keyway Tolerances 3/8 . Nominal Shaft Diameter Nominal Key Size Normal Keyseat Depth. For technical drawings and 3-D models, click on a part number. In the figure below, notice that the depth of the keyway is indicated from the opposite side of the bore, and the depth of the keyseat is indicated from the opposite. Forces Exerted on Shafts • Gears, belt sheaves, chainBritish ISO Metric Screw Threads Designations. Woodruff key slot dimensions 9 fasteners keys. 000 1. 360 Minimum 2. Standard square steel bar stock and and keyseat tolerances produce this fit for parallel keys Class 2 is a relatively tight fit: with a possible slight interference with the keyseat. 19 ; Keyseat Design Tolerances for Electric Motors and Generators; Arbor Keyway Cutter Hole KeywaySize Available: 1/4 to 1-1/4. 2; Thread Shear Area for External and Internal Formulas and Calculator per. 000;-. For a square key, H= W. 202 to 1012 Height Width Diameter Actual Length Full Radius Flat Bottom Distance Key Below Center No. Woodruff keyseat cutters — Dimensions 1 Scope This International Standard specifies the dimensions of milling cutters intended for manufacturing woodruff keyseats in accordance with ISO 3912. or material and filtering by the precise dimensions Catalog; About Us. 12 Overall Length:. Finished Bore with Keyway & Set Screws 41BS28H X 3/4Keyshaft keyed shaft, diameter 1 7/16 in, keyway 3/8 in x 3/16 inGates belts, hoses, and applications: standard & non-standard shaft key Keyseat dimensions for woodruff keys per. This Standard covers the size, type and tolerances of parallel and taper keys and keyseats, and their relationship to shaft diameters and bore diameters. NOMINAL SHAFT DIAMETER. 2. 3/8 . (a) Find the torque T 2 transmits through shaft a and the torque and speed of the output shaft c. Next, identify the keyseat dimensions required for the specific application. Forces Exerted on Shafts • Gears, belt sheaves, chain British ISO Metric Screw Threads Designations. A numerical value (s) or mathematical expression provided in appropriate units of measure and used to define form, size, orientation, or location of a feature or part. ANSI Flat, Pan, and Oval Head Wood Screws per. 493. 0 143JP and 145JP 29. The keys and keyways followed the recommendations of ISO R773:1969 and shaft tolerances followed ISO R775:1969. 1 shows a keyseat for a shaft diameter D, key width W, key height H, and fillet radius r. These milling cutters are each sized to create keyseats for a specific size of key. Determine the keyway & keyseat dimensions and tolerances (class 2) for the above for a square key of the recommended size. (a) Find the torque T 2 transmits through shaft a and the torque and speed of the output shaft c. 0 No Keyseat 1 Standard Keyseat X No Keyseat or Standard Keyseat Part Number Examples L095118 L095 x 1-1/8” Hub L07512NK L075 x 1/2” No Keyseat Hub L09515/16 L095 x 15/16” Hub Bore Tolerances Bore Size Tolerance Up to and +. Check out our 4375 Keyseat Cutter – it was designed for small engine manufacturing and automotive companies where narrow-width slots are necessary. 4 Altered bores available only up to this diameter. Specifications Met: Pkg. Precise taper (3/4 in. Leader in Energy Efficient Industrial Electric Motors and Drives Key and Keyseat Dimensions Frame D G F GD Frame D G F GD 63 11 8. 376 . ANSI B18. 093 / . 0 No Keyseat 1 Standard Keyseat X No Keyseat or Standard Keyseat Part Number Examples L095118 L095 x 1-1/8” Hub L07512NK L075 x 1/2” No Keyseat Hub L09515/16 L095 x 15/16” Hub Bore Tolerances Bore Size Tolerance Up to and + . The groove in the drive shaft is called a keyseat. Thes e dim ens ions are spec ific to eac h manufacturer. The last two digits give the nominal diameter B in eighths of an inch and the digits preceding the last two give the nominal width W in thirty. Width Depth 1/2 – 9/16 1/8 1/16 5/8 – 7/8 3/16 3/32 15/16 – 1-1/4. Nominal torsional stress τ = T/ ( π/16搞 k3 ), d k =d-t 1. 19-1997 . Over Up to and Incl. Keyseats A keyseat is a longitudinal groove cut into a shaft. Max t Height C t0. top of page. Keyway key parallel jis sizes tolerances 1301 mm 1996 pulley excerpt unit techKeyway metric Table aii-12. 125 About Us |. In a bushing or hub it is sometimes called keyway. Woodruff Keys. 1875″ Cut Width, 1/2″ Shank Dia, Straight Tooth 2-3/16″ OAL, 8 Teeth, Carbide Tipped, ANSI 609, Old Standard 16 List PriceNote 1: Maximum bore with keyseat. 3 Protection against falling water up to. 360 Minimum 2. Filled with practical information, the handbook makes a great “give-away” item for your customers and potential customers! MOTOR DATA–ELECTRICAL. Feet prevent these keys from rocking in the keyseat. ANSI B17. 844”, and S = 0. H H L C TE Tables on pages 13-14 provide dimensional information for flanges and hubs used for Spacer Coupings. S AA Min. Note: When ordering, add the Q-Style Bushing prefix BSHQD to the indicated part number. 12 0. A #406 key is 1/8" thick by 3/4" diameter nominal. Lg. 0015” Over 2” +. A rectangular key is generally used for shaft diameter between 1” (25 mm) and 20” (500 mm) Generally, these have a reduced effect on the shaft due to its shallow keyway depth. 6-hole drilling (most sizes) makes installation and removal quick and easy. They have an alternating right- and left-hand tooth style for removing more material at high speeds than straight-tooth keyseat cutters. Keyseat and Keyway Calculator Keyway and keyway depth calculator. Designed for cutting keyways and keyseats, these woodruff-style cutters are designed with dished sides for clearance and are stocked in a multitude of. 5020 2. 50 0. The following tables show standard dimensions for keys and their grooves. 51144 1804842. 5 times the shaft diameter to ensure a good. As shown by the last equation in the box, key stress equals shaft stress when the key (or hub) length is 1. 4 - HOLES E D 2F BA V R ES N-W U S KEYSEAT R ES U S KEYSEAT V. 000/+. Choose from our selection of keyway stock, including machine key stock, rounded machine keys, and. 12 01. Dimensions should specify only the size of a feature. Instead, key dimensions are specified. Inspection methods for straight and tapered bores and keyways are included in the annexes. This is why we allow the book. Gear Products and Suppliers | Gear Knowledge Menu. HSS TMX Straight Tooth, Woodruff Keyseat Cutter, #303, 3/8" diameter x 3/32" face width x 1/2" shank diameter x 2-3/32" overall length (OAL). Gear Products and Suppliers | Gear Knowledge Menu. Bushing Bore Keyseat. per ft. American National Standard, B17. KOP-FLEX Disc Coupling Center Assembly - Style Kd20 - Size 204,204 Kd 20 Ca900 204 KD 20 CA900 CLIMAX METAL PRODUCTS 150mm X 200mm Locking Assembly Series C123 C123M. Keyseat Cutters. Order Tritan Finished Bore with Keyway & SS Bore Sprocket, 40 Chain Size, 5/8 Bore Dia. 4 5 6 8 8 8 10 12. Calculate a RC3 cylindrical fit for a 2. While this is possible and may save on up-front tooling costs, the results are not optimal. If limit dimensions (refer to Tables 13 M and W of the Appendix) were to replace the keyseat dimensions shown, what would they be?23. 000 / +0. 5 14 9 71 14 11 5 5 200 55 49 16 10 80 19 15. 126. 0005 up 1-1/2" inclusive. Select the Machine. 1. 000. 006" # Tolerance each on T1 and T2 (16"-20") is-. 2 Protection against falling water up to. BALDOR ELECTRIC. 0005” including 2” +. Foot Mounting B C. per ft. Dimensions for AC Foot-Mounted Motors with Single Straight-Shaft Extension NEMA®† Dimension Guide Frame A Max D E 2F BA H U N-W V Min. 15 degrees from the vertical. 1265 0. 125”, R = 1. Hubs must be mounted with 100% keyseat and shaft engagement, as seen in A or B of Figure 1. Corner Radius Harvey Tool's selection of fully stocked, corner radius Keyseat Cutters includes standard, reduced shank, and staggered tooth designs. REFERENCE DEPTH. 0. 1-1967 (R1998) Keyseat Dimensions for Woodruff Keys per. The keyseat engages with the key on the part to prevent unwanted rotation of the part when it is mounted to the shaft. KeyWay. 25" for your calculations. * See page 8 for bore tolerances, page 11 for standard keyseat dimensions. Made of solid carbide, these keyseat cutters are harder, stronger, and more wear resistant than high-speed steel for the longest life and best finish on hard material. 125”, R = 1. Where bores do not permit standard depth keyseats, a flat key of the proper dimension is furnished with the bushing. Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance « + Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. js9 widthHere's a quick reference guide to common keyway profiles. Imperial Woodruff Key Keyway Dimensions Pdf When people should go to the ebook stores, search start by shop, shelf by shelf, it is essentially problematic. Key Keyseat - Shaft hbove Keyseat - Hub. Thanks in advance. 01mm on each side and the hole was Ø25mm. High Speed Steel TMX Straight Tooth Woodruff Keyseat Shank Cutter. Keyway Sizes. Refer to page 3 to order the required coupling. Our massive line of Miniature Keyseat Cutters is unmatched in the industry, featuring hundreds of specialty sizes and styles. 0005” +. Max. The above chart provides typical Baldor•Reliance motor dimensions. 4375 Page 1 of 6. For Woodruff keys, dimensions C and D can be found in Table. These milling cutters are each sized to create keyseats for a specific size of key. Keyseat cutters: easy guide to keyway, key, & keyseat cnc workStandard shaft sizes key bushing table qd non bore keys shallow range gates includes specific each also Keyway-and-key-size-dimensions. provides a 32 to 1 locking ratio on the shaft. Keys should fit tightly into the keyway and key seat. 2: largest motor width. When SH 1/2 1-3/8 1-5/8 1-11/16 1. directions, limited ingress. Set screws are used as semi-permanent fasteners to hold a collar, sheave, or gear on a shaft against rotational or translational forces ;Dimension. 51144 1804842. , 23 # of Teeth 50B23F-1 1/4 TSUBAKI Sprocket Chain Rlr P Sgl 12. Carbide Straight-Tooth Keyseat End Mills. D. I will be attaching two sprockets to each shaft in the center. Standard keyseat milling cutters, also known as Woodruff cutters, create keyseats in shafts for mating keyed parts to the shaft. 002 -0. 005-0. Metric. All. Wd. 👉 Metric woodruff key slot dimensions Metric woodruff key slot dimensions You can even choose to double your winnings; the choice is yours, metric woodruff key slot dimensions. Table 11 on page 955 (18th edition) titled "USA Standard Keyseat Dimensions for Woodruff Keys (USAS B17. NEMA C-Face BA Dimensions 143-5TC 2-3/4 182. Dimensions should be selected to suit the function of the object. 0. 453 — flat — 48H 4. See Fig. Dimensions Keyseat Dimensions Fig. Yes, the "key" is an important element for the successful transmission of torque. 8 products. 24-5/8. scope: This standard establishes a uniform relationship between shaft size and key size for parallel and taper keys retaining similar basic sizing as found in the withdrawn B17. Nominal Shaft Diameter Nominal Key Size Normal Keyseat Depth Over Up to and Incl. 62 1. Select what material the tool is made from, either HSS or Solid Carbide, and what coating it has (if any). . Carbide Staggered-Tooth Keyseat End Mills. 375 / . ANSI B17. Standard keyseat milling cutters, also known as Woodruff cutters, create keyseats in shafts for mating keyed parts to the shaft. 50 — 0. keyseat dimensions for woodruff keys per ansi b17 2 engineers edge web nsi shaft and hub keyseat dimensions for woodruff keys per ansi b17 2 continued these width a values were set with the maximum keyseat shaft width as that figure which will receive a key with the greatest. 0015” Over 2” +. 477This standard presents metric dimensions, toler-ances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. (b) Determine the minimum diameter of shaft a for a safety factor of 2 based on static yield analysis. Woodruff Keyseat Milling Cutters. 2-1967) appears to say that the depth of the keyseat from the edge of the opening is 0. Key and Keyseat Dimensions FrameD G F GD Frame D G F GD 63 8. Parallel Key and Taper Keys Dimensions. * Speeds & feeds are starting recommendations only. That means, a one inch shaft should have a quarter inch key. Metric External Table Chart Thread Designations Sizes M 1. Related: Shaft Key Seat for Shaft and Hub ANSI B17. Many old timers stone the sharp corners off an endmill or a keyseat cutter to reduce stress risers in the shaft. The Metric system does not refer to keyseat or keyway dimensions as does the English system. As a general rule, the key is a tighter fit to the shaft so that the key remains on the shaft during assembly and removal. zCheck design based on shear stresses in key, and bearing stresses on material with lesser compressive yield strength. 2-1967. 2. 5 11 15. Keyseat and keyway General dimensioning – Cont’d • Dimension keyseats from the bottom of. 0625 0. particular bushing. IEC Shaft Extension, Key and Keyseat Dimensions–Continuous Mandatory AC Motors (mm) NEMA Shaft Extension and Keyseat Dimensions–Foot-Mounted AC Machines (mm) NEMA Frames Dimensions–Foot-Mounted DC Machines (mm) POWER CONTROLS Power Factor Improvement out Ingress Motor ChargesTruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. For example, an XTB15 bushing for a 5/8” shaft would be ordered as part #XTB15X010. 1250 0. Using information from the table below, determine the dimensions of the shaft and keyway and develop aWhere standard keyseats are indicated, refer to the Standard Keyseat Dimensions chart. 7-31 in Y14. Due to the curvature of the shaft, the depth of cut is greater than H=2, by a chordal height Y = 1 2. 7x10 3x3. The inch and metric dimensions here correspond to common values. 1 Keys and Keyseats, based on current industry practice, was approved in 1967, and reaffirmed in 1989. ANSI B17. The above chart provides typical BaldorReliance motor dimensions. 1-1967 (R1998)Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. Stock Bores (mm) Shallow Keyseat Dimensions 2 (in. Finished Striaght bores for standard AGMA Class 1 Clearance fit. 194" 0. 4 Protection against splashing water from all. b x h width x thck. Belts And Sheaves Pulley Formulas For Calculating Diameters and Speeds Belt Installation Belt Tensioning Belt Deflection Force And Elongation RatioKey Size Versus Shaft Diameter ANSI B17. NEMA Keyseat Dimensions–Foot-Mounted AC & DC Machines IEC Shaft Extension, Key And Keyseat (Keyway) Dimensions Square And Flat Stock Keys Standard Keyseat Sizes Metric Keys–Standard Sizes. WOODRUFF KEY DIMENSIONS ANSI Key No. 0 186 19. 6-hole drilling (most sizes) makes installation and removal quick and easy. 328 — flat — 48 — 3. 19-1997 American National Standard Keys and Keyways. Leader in Energy Efficient Industrial Electric Motors and Drives L* AC E T. Note that metric keys are. Minimum keyseat width is that figure permitting the largest shaft distortion acceptable when assembling maximum key in minimum keyseat. 63. Thanks for the info. 202 to 1012 Height Width Diameter Actual Length Full Radius Flat Bottom Distance Key Below Center No. 1250 0. All dimensions in inches. 562 160 6. Types of Keys. Keyway Size: 1/8″ to 3″. Great prices & free shipping on orders over $50 when you sign in or sign up for an account. But thanks anyway. having an intended meaning altered or misrepresented; "many of the facts seemed twisted out any semblance to reality"; "a perverted translation poem". Min. large diameters: +. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently. Including; metric width, depth of each, and diameter. Keyseat Alignment Tolerances: A tolerance of 0. B +0. 2. 015. If you look up ANSI keyseat dimensions for woodruff keys in the machinery's handbook it is drawn exactly like your example. The woodruff keyseat is the half moon slot cut into the shaft. D im en s o- N , OP A Ba dX rp cf t l . Shaft keyseat dimensions and tolerances were. For a square key, H= W. Ansi B17 1 Standard Keyway Dimensions Lowellcorp KEYS AND KEYWAYS - Union College Ansi B17 1 Standard Keyway Dimensions Lowellcorp Keyways 101 - How to use and make keyways Problem on Design of Key - Design of Machine Broaching - Cutting a Keyway Introduction to. , 18 # of Teeth 60B18F-1 TSUBAKI Sprocket Chain Rlr Sgl Dbl 6. See dimensions W and h in Figure 1. 250 0. 414 Maximum 2. thru 3/4 in. 000 +0. 66 10 2 5 12. The lack of a Z or Y suffix indicates that the shaft and mounting hole dimensions are the same for all motors with the same frame size. 12 R. 06 0. Inch (ANSI/AGMA 9002-B4) shaft to the center of the keyway. BSI Shop. Flats The length of flats should be specified as the overall length of the flat including the radius at the end(s) of the flat. To order complete couplings, specify coupling size with flange symbol (B) and bushing. 5 20 24 24 33 424 5 6 8 8 8 10 12GD. B +0. Specialty Profiles. Great prices & free shipping on orders over $50 when you sign in or sign up for an account. 00 long: Width: . Shaft keysShaft standard key sizes table non bushing bore keys qd shallow range gates includes specific each also Gates belts, hoses, and applications: standard & non-standard shaft key. CollegeANSI Shaft and Hub Keyseat Dimensions for Woodruff Keys per. In cases where a keyseat is necessary, Ameri-can Pulley will provide the appropriate rectangular key at no charge. Table 3 Keyseat Dimensions. 3. 63In 80-3 16 Cs, T80B16 T80B16 TSUBAKI Sprocket Chain Rlr P Sgl 1. Shallow Keyseat Dimensions Some large bore Type C flanges are supplied with shallow keyseats. For example, a 3/16"x3/4" key (#606). 0020” Standard Keyseat Dimensions Shaft Diameter Width. Standard keyseat milling cutters, also known as Woodruff cutters, create keyseats in shafts for mating keyed parts to the shaft. Keyway standard dimensions keyseat pdf information printer friendly. Drive End Dimensions (Inches). Sometimes the size and the tolerance for a shaft diameter are dictated by the element to be mounted there. 28 0. Smooth-Finish Slitting Saws. 1 Size. Standard keyseat milling cutters, also known as Woodruff cutters, create keyseats in shafts for mating keyed parts to the shaft. 51966 2256053 18 11 90 20248 7 2506567. s.