5. Choose from our selection of parallel keys, including rounded machine keys, machine keys, and more. This standard does not apply to: - couplings attached to shafts without keys, see ANSI/AGMA 9103-B08;A shaft key is a small metallic component mounted between the shaft and hub to restrict the relative motion. Clean delicate surfaces inside tubes, pipes, and holes. Clean and degrease the shaft. refers to a single rounded end. Schlage uses CNC milling complex keyway shapes to mechanically prevent some non-OEM keys from entering or operating a lock. Potential clearance will be between +0. clearance fit bores with set screws. It is noted that this is equivalent to a stress concentration. 8mm 1. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft becomes twisted when loaded in torsion. . 5 1. 2. They can be completely disassembled and placed anywhere on a shaft. 5020 2. It might be worth roughing the keyway underwidth by 1/16" and then profile cut both sides with a nice sharp carbide to straighten. To ensure an adequate factor of safety in the design of a shaft with standard keyway (width, one-quarter, and depth, one-eighth of shaft diameter), the former Code for Transmission Shafting tentatively recommended that shafts with keyways be designed on the basis of a solid circular shaft using not more than 75 percent of the working stress. I've selected a shear strength = S s = 200 MPa, and a compressive strength = S c = 130 MPa. The maximum stress in the standard metric shaft is 25 percent greater. − S2 − S1 b 25 25 ℓ 1. The keyways correspond to the ASME USAS B17. 5020 2. Key dimensions: Parallel keys are most commonly used. 1890 0. If a key is to be fitted place it in the shaft keyway before fitting the bush. 3. In stock and ready to ship. 99. Manufacturing will be based upon DIN 6885 - T1. Keyway Bore (inches) Reference Height (d) 1. 000 / +0. It wedges the keyThe USA standard recommends maximum stress concentration factors up to 2. Although similar in principle to BS 46-1, for inch. 38 2. The keyway in the hub is made in the usual manner. Metric Standard Parallel Keyway and. The following relation for the weakening effect of the keyway is based on the experimental results by; H. Check Details. 6 6. Choose from our selection of 1 7/16" shafts in a wide range of styles and sizes. Shaft keyway keyways bores t2 chains wxh. Just seeking opinion on using a true position on a key way slot on a round shaft. Figure 2 — Types of key and position of keyway in shaft 18 Table 1 — Rectangular parallel keys, keyways and keybars 4 Table 2 — Square parallel keys, keyways and keybars 6 Table 3 — Rectangular taper keys and keyways, gib-head or plain 9 Table 4 — Square taper keys and keyways, gib-head or plain 10 Table 5 — Woodruff keys and keyways 12AMERICAN NATIONAL STANDARD Bores and Keyways for Flexible Couplings (Inch Series) This is a preview of "ANSI/AGMA 9002-B04". For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in. The keyway would be located 180 deg. Shaft Diameter: key : Keyway (Shaft : Keyway (Hub) Keyway radius: D: Width: Height : W: H. 2 mm. Standard keyways run full length. Check Details. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. The keyways are dimensioned for use with a stock key class 2 in order to get a tight fit combination. The first is Js9. Woodruff keys work well near shaft shoulders and on tapered shafts. 414 Maximum 2. Referencing Figure 1, the keyway dimension is W x T1. The advantage of the Js9 tolerance is that the key can be inserted and the gear manipulated without much difficulty. Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you need to disassemble parts frequently, such as during maintenance or prototyping. Keyway depth is something like 2/3 to 1/1 of width. e = 1-0. Keyway toleranceKeyway-and-key-size-dimensions. Clean delicate surfaces inside tubes, pipes, and holes. Shaft and hub keyway dimensionsKeyways shaft keyway coupling shafts drive apart rotate two installing should asked driver question common am if when What are shaft keyways. TruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. 1 1. Lots of times it's a pin or a bolt . 1 - 114. The centuries-old industry standard shaft-to-hub mounting technique is the key and keyway. 14×9×70SR. 018 0RoyMech Resources Keyways BS 46 :1958 Parallel Keys and Keyway Dimensions These Pages include various standards. Unless otherwise specified, the shaft keyway is assumed to be standard. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions All Dimensions in inches. To view the full content, you will. In stock and ready to ship. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque Equations and Calculator. 000. Use them to connect gears and other components with tapered keyways to shafts. I am designing a part that has two keyways 180 degrees apart on a single large diameter shaft. Over To (Incl. the depth of a keyway is an important taken every Shaft keyway depth calculatorKeyway misumi. The common KeywayAGMA ASA Keyway and Bores Design Data including dimension and tolerances. We also have an Imperial Keyway Calculator. While a designer is free to specify any. Keyway-and-key-size-dimensions. These shafts have keyways only on the ends, leaving a plain shaft in the center. No welding required. Metric key keyway dimensions per iso/r773. Specification. Referencing Figure 1, the keyway dimension is W x T 1. The gib head makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. 42000 KN/m2 for shafts with no allowance for keyways. Check Details. These values are to be reduced by 25% for the presence of keyways. 9-11, and 9-12 Figure 9. Cutting an internal keyway can be a challenging task, but with the right method and tools, it can be done with precision and efficiency. A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment. o 65. KEYSHAFT Keyed Shaft, Diameter 3/4 in, Keyway 3/16 in x 3/32 in. Keyway Bore Diameter Size Bore Reference -0. BS ISO 4156:2005_1: Straight cylindrical involute splines. keyways in the shaft members than to keyways in coupling hub bores. 6. For special purposes, stainless steel shafts usually of steel designation 304 or 316 shall be used. Use the keyways with machine keys to transmit torque to. D. It might be worth roughing the keyway underwidth by 1/16" and then profile cut both sides with a nice sharp carbide to straighten. Finished Striaght bores for standard AGMA Class 1 Clearance fit. For more information, to get a formal quote on 2" keyed shaft, or for pricing on any of its accompanying components/ accessories please contact us and we will be happy to assist you. ANSI/AGMA 9002-C14. Shaft and hub keyway dimensions. 025 mm. 000 Standard Setscrew Locations If one setscrew is furnished the location. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Easily calculate the values required to cut keyseats and keyways. 16-0. Keys and keyways. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. Position on shaft. The Reverse, numbered, Primus, Everest, and Quad key. Width. e. It helps to transmit torque. depth tol. Hollow saddle key. Dimensions: Shaft Diameter (A): 2-15/16" Keyway Width (B): 3/4" Keyway Depth (C): 3/8" Shaft Material: 1018 Steel; Phone: (407) 347-3519 Email: sales. 18 1. Double-check the key-way's width and depth as it pertains to your assembly, however. For more information, to get a formal quote on 2-15/16" keyed shaft, or for pricing on any of its accompanying components/ accessories please contact us and we will be happy to assist you. 4235 : PART 1 : 1972 Shaft key selection is crucial in avoiding premature failure on keyed joints. ANSI Woodruff Keys. The first is Js9. 2(w/d)-1. A standard broached key-way is used in the mounted component. The bending force produced by gears or chains is equal to the net driving force given by. 1 . Eliminates need for complete shaft replacement. 5 in (170 mm). They can be used in transmitting motion and power between two shaft in the same or in opposite directions. Shaft Diameter / Standard Keyway. 1910. 025 h9-0. ASME standard B17. From: Centrifugal Pumps (Second Edition), 1992. js9 widt. They have a square or rectangular cross section. Machining a keyway into a shaft is not inexpensive, nor is the equipment required to do so, though these costs are often unknown or overlooked. Email: sales@usarollerchain. Further, shafts, along with any other required drive elements, can be made smaller once the keyway notch factor is removed. 2. The shaft key can fix, only if the shaft has a key seat and the hub has a keyway. Tapers - charts and how to measure. They are also often used on tapered shafts. The key can be withdrawn at will to disengage the mating components. 000 +. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings All Types (Page 1 of 2) Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance Key & Keyway Dimensions – Millimeters Falk Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal Keyway Width Hub “W” Keyway Depth. And the dimension is added from the bottom of the keyway to the bottom perimeter of. 18% of the ultimate strength in tension for shafts18% of the ultimate strength in tension for shafts without keyways. MISUMI USA has all of your Universal Joints needs covered, with over 3. rad 10 12 4 4 2. This Standard covers the size, type and tolerances of parallel and taper keys and keyseats, and their relationship to shaft diameters and bore diameters. Metric External Table Chart Thread Designations Sizes M 1. What are shaft keyways, its characteristics and benefits from engineeringproductdesign. T. 2 - Woodruff Keys and Keyways; B18. Title of Legally Binding Document: Parallel Keys and Keyways Number of Amendments: 2 Equivalence: Superceding: IS 2710 Superceded by: LEGALLY BINDING DOCUMENT Step Out From the Old to the New--Jawaharlal Nehru Invent a new India using knowledge. (5). 3) of the diameter of the shaft, in which case the thickness of the key (T) becomes ?40 (0. LargerRuland’s variety of standard shaft collars and couplings allows designers working with motors or at a motor manufacturer to specify the right component based on the application requirements. 4. This British Standard is the first of a series for metric keys and keyways and has been prepared under the authority of the Mechanical Engineering Industry Standards Committee. That's also a condensed version. js9 widt. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. e. 4 Splines 9. Keyway shaft roymech tolerance Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. Key length: 290mm. Functional key length: 267,5mm (= length - (0,5x width)) Shaft material S355J2G3 (St52. 010. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. . Cut it to length to create the machine key you need. Key (engineering) In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. 020 0. a) End-milled or prole keyway b) Sled-runner keyway. This shaft key installation necessitates the use of a keyway on the hub but does not need the use of a keyway on the shaft. There should be a top clearance between the key and the keyway in the bore. 95 6. A shaft key prevents a relative rotation between the two parts, and may enable torque transmission to occur. Check Details. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. The designation of dimensions of taper keys and keyways are shown in Figure 4 and 5 respectively and are defined as follows: b – the cross-sectional width of the key h – the cross-sectional height of the key h1 – height of the gib head l – length of the key b1 – width of keyway for the shaft b2 – width of keyway for the hubKey (engineering) In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. . Re-design the shaft shown below to be a uniform,Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k key All torque transmissions resourcesKeyway chart bore resources torque alltorquetransmissions. 120. Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. Shaft Arbor and Keyseat Dimensional Data American National Standard Keys and Keyways; Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. The corresponding shaft tolerance needs to be determined based on whether the fit between the gear and shaft is to be an interfer-ence fit, a transition fit, or a clearance fit. The height of inch keys decreases by 1/8" for every 12" of length. Choose from our. WIDTH. 3 mm. With the optional shim kit, you can cut keyways or slots in shafts as small as 0. Drive shaft Design, key and Keyways. 46 : Part 1 : 1958 DLMENSIONS OP TANGENTIAL KEYS AND KEYWAYS. 020 0. In this comprehensive guide, we will discuss seven popular internal keyway. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings (Page 2 of 2) All Types 427-140 Reo a 21 (P eso) oola e el 11 pesees 2 Telepoe 22 a 22 eoo Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal Keyway Width Hub “W” Keyway Depth Hub “T2” Shaft Diameter vs Key Sizes Design Recommendations. Keyways are generally used in fastening gears to a shaft, and they should be secured by applying drilled holes for set screws, or applying flats to the shaft, in case of fastening only with set screws. Standard keyways provide added torque capacity and fixed shaft phasing. If your measuring from the OD of the shaft there is a formula in Machinery Handbook to add that dimension to the half size of the key but don't depend on it for the right depth to cut to. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. 5: 4 +0. 1 for imperial dimensions and DIN 6885 for metric dimensions. 25 6- 30 2 +0. 1265 0. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be. It's a way of using the standard to control a manufacturing process with a drawing. 1875 0. Key dimension Keyway dimension Reference b h C l Basic Basic dimension b of b1 and b2 Sliding type Normal type Fastening type r1 and r2 Basic dimension of t1 Basic dimension of t2. Keyway width P9 tight fit (standard design) JS9 or N9 loose fit (standard design) Other tolerances / tolerance ranges must be specified separately and require a written agreement. The shaft key is a machined element used for connecting the transmission shaft to rotating parts like gear. These keys have a tapered body that wedges in to the keyway for a more secure fit than standard machine keys. xls Author: KEITHTypes. 360 Minimum 2. 5000 2. ). 3D Printing & CAD. 56000 KN/m2 for the shafts with allowance provided for keyways. These keys are rectangular or square solid bars that fit into matching keyways machined into the shaft and the component bore. powerhound (Mechanical) 10 Mar 08 23:14. Keys and keyways, splines. 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. Keyshaft keyed shaft, diameter 1 7/16 in, keyway 3/8 in x 3/16 inKeyway parallel keyways metric t2 wxh bores Keyway keyed keyways boresGates belts, hoses, and applications: standard & non-standard shaft key. n When referencing the Lovejoy UPC number in this table, include 685144 as a prefix to the number shown. 4: Shaft with overhung gear Example -Homework Problem 9-2 5 9. Jul 26, 2022 — by ML Engineering Content Editor in Machine Elements & Structural Engineering Keys and keyways are a very important part of shafts and power. 6 1. Special keyway configurations. Nominal dimension of key b x h. Keyway metric key iso dimensions standard keyways keys r773 pdf bores shaft hub depth diameter standards engineering table edge. When selecting a keyway tolerance, there are two common selec-tions in the metric system. Metric key keyway shaft standard keyways falk keys bores resources industrial Shaft key standard sizes rectangular gates keys diameters most non std readily available3 ways to convert within metric measurements Metric convert measurement measurements conversions easy way within units ways unit decimal number use. Hex, round, and step profiles are available to mate. COMPONENTS PowerDrive LLC Bore Tolerance 0 to 2 2 to 3 3 to 4 Over 4 +. Also, T 1 and T 2. Taper keys with or without gib head and their corresponding keyways. 5 mm. A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment. Keyways play a crucial role in mechanical systems, enabling power transmission between shafts and other machine elements. Woodruff Key Assortments. We carry a wide range of products with keyways, including bushings and roller chain sprockets. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Standard shaft sizes Standard shaft materials Design of shaft based on strength 8. Slightly. Flat saddle keys. This Standard covers requirements for square and rectangular parallel keys and keyways intended for both alignment of shafts and hubs, and transmitting torque between shafts and hubs. A shaft narrower than the applicable shaft diameter should not be used. 424 Minimum 2. So let’s discuss. Also calculated are the overall measurements for shaft and bore, as well as the chord height. Height. N = Number of splines. DIN Standard. 1 12 4 4 4 13. Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. Keyway Dimensions. NOMINAL SHAFT DIAMETER. + 0,030 ; yg 0 - 0 0,030 k 0,015 0,012 1,8 That combined amount of clearance forgives a few thousandths of off-centeredness to a shaft keyway. Keyway Radius “R”† Over Thru Nominal Min Max Min Max Min Max Hub “W” Over Thru Min Max Min Max Keyways will be furnished with P9 width tolerance only upon request. Standard sizes in diameters from 3/8″ to 2 1/2″. Check how the old prop fits the taper shaft and the amount of draw - i. You are here: Home > Knowledge Base > Standard Keyway Dimensions. scope: This standard presents inch dimensions, tolerances, and sizes for straight bores, tapered bores, single keys and keyways for unmounted industrial flexible couplings. Where a key is to be used it should be side fitting with top clearance. If the enduser is using oversize plated keystock, then the properly centered keyway is more important. A key prevents a relative rotation between the two parts, and may enable torque transmission to occur. still see lots of ordinary keyways in bigger shafts. 1/4" & 3/8" — 3/32" x 3/64" 1/2" & 9/16" — 1/8" x 3/64"keyways in shaft-hub connection is the shear stress, so the focus is done on it. The shafts revolutions range from 17 to 54 per minute (rpm). The first is Js9. 010"=. ). NOMINAL SHAFT DIAMETER BOTTOM OF SHAFT TO BOTTOM OF KEYWAY WIDTH. f7 (shaft) tolerance range = −0. DIN 6885/1 :- Definition. Inspection methods for straight and tapered bores and. They are also often used on tapered shafts. A former industry standard, 14½° pressure angle gears are often found on older machinery. d. A list of standard keyway and corresponding. All sizes are in inch units. Whereas the P9 tolerance is a press fit tolerance. 025 2 0-0. 9" shafts 10 feet long. Standard keyways for shafts are typically located along the length of the shaft with the centerline of the keyway being parallel to the axis of the shaft. The following tables show standard dimensions for keys and their grooves. S. 19-1997; Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque; Parallel Key. 38 1. 062 0. Flat Key Square Key Woodruff Key . R R Cutter Run-out. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 010". 4 Prior to mounting the hubs, place the keys in the shaft keyways. Moore. As bushing bores approach the maximum recommended diameters, keyway depths are reduced in order to extend maximum bores as much as possible. 6 - 8 - 10 - 12 - 14 - 16 - 18 - 20 - 22 - 25 - 28 - 32. Recommended Hub Keyway Dimensions (mm) Reference AGMA 9112-A04 Standard metric keyway width tolerance per Js9 Imperial Standard Bore and Keyway Info Recommended Bore Tolerance for Imperial Shafts (Inches) Nominal Shaft Range Shaft Tol. Use the keyways with machine keys to transmit torque to gears, sprockets, and other keyed components. New keyless locking devices offer an alternative for challenging motion applicationsOur 5/8" shaft with keyway will serve your assembly well. 3mm 2. The information contained with ANSI/AGMA 9002-A86 did not necessarily agree with some commonly used specifications. KeyWay. Referencing Figure 1, the keyway dimension is W x T1. In addition to diameter tolerances that are twice as tight as standard keyed shafts, these shafts include a traceable lot number and test report. The saddle keys are classified into two types, they are. 414 Maximum 2. In manufacturing upon 6885 Information used with permission ot Martin 02007 Shatt Keyseats/Hub Keyways Standard Keyseats/Keyways Sra' IoW Square Keyways Metric: WxHKey W x T2 Keyway American Standard — Inches ShanScenario: The exposed round shafts are completely smooth and have no bolts, holes, or keyways. Specifications Met. Keys standard metric keyways mechanicalMetric keyway shaft depth reference dimensions diameter iso r773 width Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k keyKeyway metric dimensions keys. JHG. Metric Shaft Size Keyway Width Keyway Depth Stock Lengths 5/8" 3/16" 3/32" 13mm: 5mm: 2. I'm reverse engineering a shaft with impellers that have these rounded keyways, but I need to know what the clearance should be between the hub and the top of the key and the rest of the. Woodruff Keys. Rounded Machine Keys. Orthwein [4] suggested a designStandard keyways provide added torque capacity and fixed shaft phasing. 8 mm. 010". Straight Sided Spline Dimensions. Notes: n Tolerances for bore and keyways are found in Engineering Data section (pages ED-10 and ED-11). Posted on February 1, 2023 in Industry Formulas. One could have skipped the step. 1. Keys are inserted inside the shaft and hub keyway to ensure the working of the complete system. the depth at the side, but in the metric system the keyway is dimensioned by the width and the depth measured from the raduis of the shaft to the center of the keyway. This is an undersized clearance. 000 / -0. 6. EN Standard. In stock and ready to ship. Keyway Sizes for Hole Diameters (Table Below) Unless otherwise specified, a hole is drilled according to the old JIS (class 2) standards. 219 (c) (5) (ii) The vertical clearance in passageways between the floor and power transmission beams, ceiling, or any other objects, is not less than five feet six inches (5 ft. 002 -0. 2. Shallow keyway depths must exceed 2/3 of the full keyway depth of the square keys shown above. 1 8 3 +0. Keyway/slot on shaft Keyway/slot on shaft pedrof (Mechanical) (OP) 20 May 14 13:03. Nominal Dia. 260". 5 - 4. Index the adapter 180 degrees on rotor shaft (see Figure 6-22 C). Keyway and Key Size Dimensions * Common dimension specification English Standard Keyway and Key Sizes Shaft Diameter (in) Keyway (in)* Key (in) From To Width (W) Depth (T 1) Width (W) Depth (T) 5/16 7/16 3/32 3/64 3/32 3/32 1/2 9/16 1/8 1/16 1/8 1/8 5/8 7/8 3/16 3/32 3/16 3/16 15/16 1-1/4 1/4 1/8 1/4 1/4 1-5/16 1-3/8 5/16 5/32 5/16 5/16 Standard Keyways: (Used on all of our shafting) “Plain” Shafting available on all Steel grades. 1. They conform to ANSI B17. Tapered Gib Keys. The keys are square or rectangular. Total revolutions of shaft = 900x 10 6 revs. based on the table on webpage Factors. The intention of the keys/keyways is to allow axial motion of a female sleeve to which the keys are mounted while preventing rotational motion. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. This article provides a table below that shows the standard dimensions (sizes) for square and rectangular cross-section sunk keys. For more information, to get a formal quote on 3-7/16" keyed shaft, or for pricing on any of its accompanying components/ accessories please contact us and we will be happy to assist you. 8mm 2. Specification for metric keys and keyways –. The key is then tightly fitted. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. 4235 : PART 1 : 1972 Imperial – Rectangular B. Motors and gearboxes that generate high torque and acceleration may make shaft keys obsolete. Inspection methods for straight and tapered bores and. Standard External Metric Thread and Fastener Sizes M 0. 5. The second is a P9 tolerance. O. clearance fit bores with set screws. Plug-In Shafts for Flexible-MountRight-Angle Speed Reducers. We can provide keyed shafts in any length up to 20 foot. The same dimensions as our Clamp-Type Shaft Couplings, these Clamp-Type Couplings with keyways are available from stock with standard keyways. Made of carbon steel, they have high strength and are better than plastic gears and gear racks for high-load, high-speed, and heavy duty applications. 4375 1. 19-1997 ; Keyway Stresses for Non-metallic Gears and Shafts Formulas and Calculator; Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. 05 0Unlike clearance fit hubs (which must have either a keyway, square bore, or spline to keep them from rotating), interference fit hubs also have the option of not necessarily having a keyway (or keyways) to transmit shaft toque (though many still will). The Half portion of the shaft key fix. 19-1997 1, the Metric key size is W x T. 1250 0. Mm Shaft Diameter Groove dimensions for woodruff keys DIN 6888. Stocked in: Steel; Stainless Steel; Specifications. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be chamfered. 1The tables below show the dimensions of a straight sided spline in accordance with BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements. a) PSfrag replacements b) Figure 1: The two standard keyway ends for parallel keys. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keysSaddle keys are one of the shaft key kinds that are mounted on the shaft’s surface rather than in the keyway. The function of the key and keyway is to prevent relative motion between shaft and hub. Shaft and hub keyway dimensionsKeyways shaft keyway coupling shafts drive apart rotate two installing should asked driver question common am if when. 5. I would specify location tolerances separately on the length of your first keyway, and on the width and length of your second keyway.