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. Where can I obtain a copy of the metric standards?. 5 3. Lecture1: Design of Shaft 26. Keyway is not made for holes of less than 12 mm. Recommended uniform relationship between shaft diameter and key sizes for parallel and taper keys. The shaft is made from AISI 1020 cold-drawn steel. rush job because a. 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. Dimensions: Shaft Diameter (A): 3-7/16" Keyway Width (B): 7/8" Keyway Depth (C): 7/16" Shaft Material: 1018 Steel; Phone: (407) 347-3519 Email: sales. Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm)* From To Width (W) Depth (h) Width (W) Depth (T) 6 8 2 1. Transeals - Keyway Chart. 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. Nominal Shaft Diameter Nominal Key Size Normal Keyseat Depth Over Up to and Incl. Email: sales@usarollerchain. Machines shaft’s standard sizes are up to 25 mm with 5 mm step. A key is a piece of metal used to connect a rotating machine element to the shaft. depth tol. Page 1 of 3. The first is Js9. †. 424 Minimum 2. Keyway/slot on shaft Keyway/slot on shaft pedrof (Mechanical) (OP) 20 May 14 13:03. 3 mm) in diameter with a standard bar clamp. TruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. A Shaft key is a piece of metal used to connect a rotating machine element to the shaft. Metric – Rectangular B. 6 in. Double-check the key-way's width and depth as it pertains to your assembly, however. 38 1. In reply to #10. This is why you remain in the best website to look the incredible ebook to have. In stock and ready to ship. The center of the keyway is typically located 1/3 of the. 025 2 0-0. 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. Depth at forward end. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. The maximum allowable bending stresses are as follows:Maybe a second look is in order. Drive Type Fastenings without Taper Action; Parallel Keys, Keyways, Deep Pattern. A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment. Keyway metric key iso dimensions standard keyways keys r773 pdf bores shaft hub depth diameter standards engineering table edge. shaft diameter Dimension d Allowance (h9) Allowance dimension (D10) 2×2 2 0-0. This specification includes index tolerances for multiple keyways. Feather key. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. Further, shafts, along with any other required drive elements, can be made smaller once the keyway notch factor is removed. That's also a condensed version. Shaft Keyway Shear and Yield Strength Formulae and Calculator. Specifications Met. If using a set screw to secure a pulley etc to a shaft you should use two spaced at 45 degrees apart. S. 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. 000 so that there is no. Eliminates need for complete shaft replacement. Shaft keyway keyways bores t2 chains wxh. Hollow saddle key. A flat saddle key is a taper key which fits in a keyway in the hub and is flat on the shaft as shown in Fig. The taper is 1/8” per foot. 9-11, and 9-12 Figure 9. 42000 KN/m2 for shafts with no allowance for keyways. The keyways are dimensioned for use with a stock key class 2 in order to get a tight fit combination. Key. The same dimensions as our Clamp-Type Shaft Couplings, these Clamp-Type Couplings with keyways are available from stock with standard keyways. 3mm 3. The main reason of failure of shaft and keyways in shaft-hub connection is the shear stress, so the focus is done on it. In stock and ready to ship. 4 9. All sizes are in inch units. What is the purpose of a keyway in construction?Securing a belt pulley to a drive shaft often seems like such a routine task, that engineers and mechanics can easily overlook some of the selection and installation factors required. 8mm 2. Check how the old prop fits the taper shaft and the amount of draw - i. Keys are inserted inside the shaft and hub keyway to ensure the working of the complete system. 8 mm. Here we can calculate rigid connections, namely the pinned, keyed, splined and flanged ones. The keys are square or rectangular. F. Click here to purchase the full version from the ANSI store. = 55 MPa for shaft without keyway = 40 MPa for shaft with keyway . This is according the DIN OK. Metric Keyways Dimensions ISO/R773. 7/11Ansi B17 1 Standard Keyway Dimensions LowellcorpAs this ansi b17 1 standard keyway dimensions lowellcorp, it ends up living thing one of the favored ebook ansi b17 1 standard keyway dimensions lowellcorp collections that we have. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. Woodruff Keys. It might be worth roughing the keyway underwidth by 1/16" and then profile cut both sides with a nice sharp carbide to straighten. The standard dimensioning of the keyway is like above. Keyway width is most usually 1/4 of shaft diameter, rounded to the closest stock size. Gib Head Keys: This type of key is quite similar to the tapered key except for a head which is provided at the bigger end of the key in order to facilitate easy removal of the key. This is a +/- band clearance; the value of the tolerance is equally oversized or undersized. Variations of machine keys include parallel keys, tapered keys, Woodruff keys, hi-pro keys, and non-rok keys. Tapered Gib Keys. Hub keyway depth is one-half the nominal height of the key and measured from the side corner. Use them to connect gears and other components with tapered keyways to shafts. 1250 0. Fillet radii comply with AGMA 9002-A86. The key is inserted inside the keyway parallel to the axis of the rotation. metric bores with metric keyways, or shaft keyseat tolerances. To use a key as a sacrificial part, choose a softer key that will shear off. The shaft's diameters that can be used are 3-inch, 4-inch and 4 5/16-inches. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. The end of a keyway has two standard designs, shown in Figure 1. It may be mildly magnetic. Metric key keyway dimensions per iso/r773. A further disadvantage to shaft keys in a world of increasingly compact motion components is the reduction in the torque density of the shaft and its respective locking element. DIN 6885/2 Keyways d b P9/JS9 Hub keyway b P9/N9 Shaft keyway h t1 = d + t2 t2 t3 = d - t4 t4 11 4 4 4 12. 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. A key prevents a relative rotation between the two parts, and may enable torque transmission to occur. 5/16 to 7/16. 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. Nearly every shaft diameter has a corresponding standard keyway width and depth – this calculator helps you find it. 15. 18 3. BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. For a key to function properly, both the shaft and rotating elements (gear, pulley and coupling) must have a keyway and a keyseat. Key body. 002 −0 Hub keyway w −0 Shaft keyseat h +0. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. Gib head keys. 93. In Figure 2-22 a, the fillet in one corner of the keyway was radiused. 4. 110 mm to 140 mm – 15 mm step. For a key to function properly, both the shaft and rotating elements (gear, pulley and coupling) must have a keyway and a keyseat. . 062 0. 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. Rounded Machine Keys. Typical applications with these forces include indexing. The keyway would be located 180 deg. 0005 inch per inch of length for keyseat lengths. constitute provisions of this Standard: PAES 305:2000, Keys and Keyways for Agricultural Machines 3 Application Spur gears are used to connect parallel shafts and have teeth formed in cylindrical blanks parallel to the shaft axis. When a keyway is damaged, cut a new, wider one. C +0. Unless otherwise specified, the shaft keyway is assumed. Cutting rates will vary by the equipment used, but to give a ballpark speed, a standard machine may run at ~12 square inches per hour. 3) Keyway fillet radius to be specified by customer. Appropriate fits can be established for each shaft size and published in a standard. If the enduser is using oversize plated keystock, then the properly centered keyway is more important. 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. 030: 0. 125. It is noted that this is equivalent to a stress concentration. 1 Bar Stock - General purpose, negative toi- and taper keys retaining similar basic sizing a s eranced, cold finished steel stock for found in the withdrawn B17. A further disadvantage to shaft keys in a world of increasingly compact motion components is the reduction in the torque density of the shaft and its respective locking element. ASME standard B17. This standard presents inch dimensions, tolerances, and sizes for straight bores, tapered bores, single keys and keyways for unmounted industrial flexible couplings. Shaft (Arbor) Keyway Dimension Size Data - ANSI/ASME. 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. Functional key length: 267,5mm (= length - (0,5x width)) Shaft material S355J2G3 (St52. Plastic Gears and GearRacks— 14 1/2° Pressure Angle. Keyway dimensionsKeyway sizing chart Metric stepper motor shafts size data tableMetric key keyway dimensions per iso/rtt3 js9 width. 02 to 118 inch. TruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. 0000 /. Many keyways are milled directly into a shaft or broached into the corresponding bored holes. 1. 1875 0. Install them in keyways to transmit torque from shafts to gears and other components. A capital letter refers to the hole size and lower-case letter refers to the shaft size. Same deal if using a pulley/shaft/sprocket with a taper lock hub. ISO. Install them in keyways to transmit torque from shafts to gears and other components. Width. Do not operate conveyors without covers. Taper keys with or without gib head and their corresponding keyways. KeyWay. 3) of the diameter of the shaft, in which case the thickness of the key (T) becomes ?40 (0. We can provide keyed shafts in any length up to 20 foot. The 22 x 14 suggestion makes a lot of sense, unless prevented by thin-walled hubs and/or shaft size issues. Clean and degrease the shaft. Woodruff keys are usually with splines and the L-LOC spline clamping feature, see section 7. For more information or for pricing and availability on Keystock please contact us and we will be happy to assist you. HOUR . Shallow keyway depths must exceed 2/3 of the full keyway depth of the square keys shown above. 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 in the shaft members than to keyways in coupling hub bores. d. All Keyways are parallel and to British Standard 46: Part 1: 1958, with the exception of those marked* which are shallower. 3) Keyway fillet radius to be specified by customer. (5). 3). 219 (c) (5) (i) The basement, tower, or room occupied by transmission equipment is locked against unauthorized entrance. 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. Keyway dimensioning. This technique is used for parts like a gear, hub or pulley. Refer to Figures 4 and 5 and Tables 6 and 7 for recommended setscrew location and size. 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. Install them in keyways to transmit torque from shafts to gears and other components. There are tables for this in "Machinery's Handbook". REFERENCE DEPTH. Keyway metric key dimensions standard keyways keys bores shaft hub depth iso diameter engineering table edge width millimetersWoodruff ansi fasteners nominal Woodruff ansi metric keyway fasteners nominalParallel dimensions metric keyway key keys 1972. Key Stock , or bright steel, is a general term for a stock of square or rectangular bars 12 inches or longer in length from which machine keys are produced. keyways in the shaft members than to keyways in coupling hub bores. MISUMI USA has all of your Universal Joints needs covered, with over 3. This specification includes index tolerances for multiple keyways. 3. 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 sizes and tolerances contained in this Standard are intended for single key applications only. Keys with greater width tolerance. com. Bore Diameter: 1. Max. 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. 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. 5000 2. You can specify 2X on the features of size for your keyway. Maximum recommended torque at continued duty 1000 RPM: 800 inch lbs. Metric External Table Chart Thread Designations Sizes M 1. Often times you can kiss the key itself with a file to make it a nice fit. 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. 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 and metric keyway broachesTable aii-12. 5 inches (38. Motors and gearboxes that generate high torque and acceleration may make shaft keys obsolete. Easily calculate the values required to cut keyseats and keyways. Square Drives for Socket Tools ASA B5. 010 / -. 1) Unless specified by the customer: 2) Actual shaft fit will vary depending on - Series S couplings supplied with actual shaft diameters. 3/32. Keyway Dimensions Key Dimensions The inch and metric dimensions here correspond to common values. You are here: Home > Knowledge Base > Standard Keyway Dimensions. 0mm to 26. Stocked in: Steel; Stainless Steel; Specifications. Shaft keyways and keys are used to transmit torque from shafts to mechanical transmission elements such as gears, and pulleys, using a keyed joint. of the key will come into uniform contact with the shaft and the hub. Keyway dimensionsMetric key keyway dimensions per iso/rtt3 js9 width Inch keyway chart ansi agma shaft key width b4 dimensions diameter nominal reference motor electricKeys keyway metric standard keyways sizes engineering shaft key parallel square fit fits mechanical data rectangular british limits figure. Steel key stock is an economical choice with good strength. While ubiquitous and intuitively easy to understand, the key and keyway is a remarkably ineffective technology. Description: : Custom designs with varied tolerances, keyways, non- standard material and bellows are available upon request. Keyway (Hub) Radius r. 5020 2. I would specify location tolerances separately on the length of your first keyway, and on the width and length of your second keyway. 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. 000 Standard Setscrew Locations If one setscrew is furnished the location. Machining of square shafts with rounded ends (with or without keyways) Other machining available upon request per prints provided (drill, tap, threading) For Keyway MM Dimensions – see the table at. 1 +0. Measure the overall length of the boss (hub) of propeller Measure the keyway width. Reactions: graham-xrf. Unless otherwise specified, the shaft keyway is assumed to be standard. Where a key is to be used it should be side fitting with top clearance. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 Standard keyway sizes chartStandard keyway dimensions Metric key keyway dimensions per iso/r773. Using shape optimization by providing chamfer and fillet at corners, it is shown that. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. 3 mm, but the shaft had a keyway width value of 9. 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. 1-1943 standard. 001 −0 Key. 001 TIR, allow for the attachment of gears,. 3mm 2. 3125 0. Machine keyway to recommended size and tolerance listed per Table 5. Tube Cleaners. 3D Printing & CAD. Open the catalog to page 11The development of these relations can be found in standard texts. 5 inches (38. Keyway Width. 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. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. is very difficult to write one universal bore and keyway standard to address the many combinations. Only informative sections of standards are publicly available. Shaft (Arbor) Keyway Dimension Size Data -. # 11. 2-1967. width depth tol. Meaning the keyway in the hub has a rounded contour instead of a rectangular contour. They’re also available in metric. Keyways Index BS 46 Keys and keyway Dimensions-Parallel Rectangular Ref Standard . The standard industrial solution is one square key, with a set screw directly above the key and one at 90 degrees if using a pulley/gear/sprocket with a solid integral hub. 3/64. Standard and metric keyway broachesTable aii-12. Shaft Diameter / Standard Keyway. The shaft key is a machined element used for connecting the transmission shaft to rotating parts like gear. 003, -. The first is Js9. 3/32" key depth (standard square keystock size for the shaft is 3/16") 1044 stress proof steel series, 303. The commonKeyed Shafting 1045 - Key Shaft. The first is Js9. In this paper, we perform the stress. Metric key keyway dimensions per iso/r773. That is, for a 1/2" key the depth of the keyway would be . 2 To facilitate the cutting of keyways on the shaft and in the hub, they may be located 180” apart, by agreement between the interested Parties. 2500 0. Ann from the top of the shaft, the keyway is shown. Standard keyway dimensionsKeyway chart Keyshaft keyed shaft, diameter 1 7/16 in, keyway 3/8 in x 3/16 inKeyway slot key shaft. 46 : PART 1 : 1958. To use this calculator, input your Torque, Shaft Diameter and Key Length values. 000 mm to +0. Keyway-and-key-size-dimensions. The function of the key and keyway is to prevent relative motion between shaft and hub. As bushing bores approach the maximum recommended diameters, keyway depths are reduced in order to extend maximum bores as much as. . Design of Shaft • A shaft is a rotating member usually of circular cross-section (solid or hollow), which transmits power and rotational motion. 14×9×70SR. 6 %âãÏÓ 105548 0 obj >stream hÞ¼“moÛ6 Ç?A¿ _¦ ‚¿ ?Å@aÀŽë¦[šu±ÛdMó‚–N ŠRHÚ ûéw¤ ¯ ¶,y3H" ÷@ ¿ ô’þH$bÐK ‰HÓ4J©HÇã. 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. 000 +. 4. 75 inches (19. (a) end-milled or profile keyway; (b) sled-runner keyway Fig. 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. 1 8 3 +0. Accu-Flange ™ mounting collars are machinable flange collars that feature a standard keyway with three through holes and three tapped holes and an integral clamp design and relief groove mechanism. 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. 4 Splines 9. Keyways play a crucial role in mechanical systems, enabling power transmission between shafts and other machine elements. Tolerance each on T1 and T2 is -. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86Standard keyway sizes chartStandard keyway dimensions Metric key keyway dimensions per iso/r773. Re: NEMA Motor Shaft Dimensions and Tolerances. The advantage of the Js9 tolerance is that the key can be inserted and the gear manipulated without much difficulty. Shaft Keys 101 | Machine Design. 5020 2. the overhang distance at the nut end so the prop tightens on the taper. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. BS ISO 4156:2005_1: Straight cylindrical involute splines. it is also important to go with a well-accepted industry bore standard so the. 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. Whitney key and of the corresponding keyways in shaft and hub. Cut it to length to create the machine key you need. Standard Keyway Dimensions Shaft Diameter Set Screw Width Depth Up through 7/16" 8-32 3/32 3/64. --keyway dimensions Keyway sizing chartDimensions standard keyseat keyway shaft shafts diameter nominal. Shaft: Key: Keyway: Nominal Diameter d: Section b x h : Width Shaft & Hub b: Depth: Radius r: Shaft t 1: Hub t 2: Over: Inc: Nom: Tol (D10) Nom:Keyway halliteGuide for shaft keyway design, shaft key size calculation and selection Keys standard metric keyways mechanicalMetric key keyway dimensions. This key stock is undersized, so keys will fit slightly more loosely than standard keys and are best for inconsistent keyways. 1 Class 1 standards for dimensions and tolerances. Key and keyway dimensions (control in motion) Keyway shaft coupling hole service couplings modification additional motion control tapered parallel Keyway chart Standard shaft sizes key bushi. 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. These frictionalAccording to OSHA Standard 1910. Keyway Chart. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 Keyway AGMA 9002-A86 Inch Bore and ANSI B17. 1. 3D Printing & CAD. Width. A Key goes into the Keyway to lock things up. These shafts have keyways only on the ends, leaving a plain shaft in the center. A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment. Inspection methods for straight and tapered bores and. 3mm 2. all dimensions in inches. Specification. 1. I am designing a part that has two keyways 180 degrees apart on a single large diameter shaft. 19-1997. Metric – Rectangular B. If the technician installed a key that measured 8″ long × ¾” × ¾” and then mounted the coupling onto the shaft it would result in an excessive key length sticking out past the back edge of the coupling hub. Woodruff keys work well near shaft shoulders, where a standard open keyway would create too much stress. The information contained with ANSI/AGMA 9002-A86 did not necessarily agree with some commonly used specifications. Shaft Diameter. Rectangular-faced keys are used for larger shaft diameters and square keys are used for shafts smaller than 6. Overall length 5’’. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. Normally with an open ended keyway people drill and tap on the bottom joint line of the shaft/keyway and lock the two together with a grub screw. These keys have a tapered body that wedges in to the keyway for a more secure fit than standard machine keys. Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. Parallel shaft keys are a type of machine element used to secure the relative rotational position of shafts and components such as gears, pulleys, or couplings that are mounted on them. 921 Woodruff Key curvature as that of the key. All of the measurements listed on the product pages in inches without the keyway width or depth. The deviations are less than the basic size. 1. BS 46 Part 1 : 1958 Square Keys and keyway Dimensions. 25. 062 0. D (Ø) Overall Length (mm) Body Material. 1) has a stress concentration factor of 3 [42]. Check Details. Keyway misumiKey and keyway dimensions (control in motion) Keyway sizing chartMetric key keyway dimensions. 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. We can provide keyed shafts in any length up to 20 foot. It other words, the torsional strength of the shaft is reduced.