Undersized. , New Berlin, WI 53151-7953 USA Telephone: 262-796-4060 August 2003 Fax: 262-796-4064 e-mail: [email protected]: 0. 84 31. 5020 2. 3 S2 6. Ooop! The email you entered isn't valid. 1875 0. 65) Nominal dimension Tolerance Zones over to U7 S7 R7 P7 P9 N7 N9 M7 K7 J7 JS9 H7 H8 H11 G7 F7 F8 E8 E9 D10 deviations in µm 1 3 -18 -14 -10 -6 -6 -4 -4 -2 0 +4 +12. Metric keyway tolerances conform to ANSI/AGMA 9112 Normal keyway width tolerance. New diameter sizes (13, 16, 17, 18 and 22) are added for h9 tolerance types. The first is Js9. Keyway size chart pdf . Keyway Formulae Inch Square (Preferred) Parallel Keys and Keyways (ANSI B17. 252-0. 4. 40. 6. 2-1967. 5 1 6 2, 6 2 2 2 4 3 3 3. 2; Thread Shear Area for External and Internal Formulas and Calculator per. Specifies that statistical process controls can be used which may be more cost effective in some. ISO/TC 14. 438 . 000 / +. Blog GD&T Quiz Print Reading Quiz Guide to Team GD&T Training Orthographic Projection Chart Drill Tap Chart ASME Y14. 1 mm Increment F / S 1 mm Increment Keyway (1) KA, A Keyway (2) KB, B Keyway (3) KC, C Retaining Ring No. 8 6 6 23 30 8 3. Related Resources: gears Shaft Diameter vs Key Sizes Design Recommendations. 4mm 1mm 1. No external flange. Specifications Met. 000 on the keyway) at the max key and min keyway you have a problem and the components are not going to fit and that is why his proposing 0. Hub "W" Over. Rockwell B35. The bushing system described in this standard is limited to systems having the following characteristics:. General tolerance of straightness Unit:mm Over 2000 to 4000 incl. H7/h6. FREE RUNNING: Good for large temperature variations, high running speeds. Metric Key & Keyway Dimensions Per. Use them for permanent or high-torque applications, or to replace a key in a worn keyway. 1 Square Keyway Tolerances Minimum 3. 90 edition Tolerance zones shown forTolerance zones shown for nominal dimension 60 mm ISO abbrev. 010 inch, max is provided for offset (due to parallel displacement of keyseat centerline from centerline of shaft or bore) of keyseats in shaft and bore. I am an Engineer/part time student (Mechatronics) from South Africa. DIN 174. dimensions standard keyways keys r773 pdf bores shaft hub depth diameter standards engineering table edge widthKeyway tolerances bore Keyway dimensions table aiiShaft standard. The sunk keys are provided half in the keyway of the shaft and half in the keyway of the hub or boss of the pulley. 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. For Hub Keyway Height. 26 Representing Tolerance Values Tolerances are represented as direct limits or as tolerance values. b-2 stock qd bushings martin mounting procedure – qd bushings important – be sure tapered cone surfaces of qd bushing and inside of sheave or sprocket hub are dry and free of all foreign substances such as paint, grease, or dirt . Rectangular or square parallel keys and their corresponding keyways (Dimensions in millimetres) 95. This is a ± band clearance where the value of the tolerance is equally oversized or undersized. The dimension from the top of the keyway to the opposite bore side, “T-dim”, is calculated from (refer to ANSI/AGMA 9002-B04) the following: T = bore + (h kw - Ch) Shape and dimensions of parallel key and keyway Shape and dimensions of taper key, headed taper key and keyway Excerpt from JIS B 1301:1996 S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 h2 = h, f = h, e ≒ b S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 Key body Cross section of keyway Key body The second is a P9 tolerance. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. 0005 KEYWAY AND SHAFT DIMENSIONS B-7249 1 B B C D A. ANSI Standard Woodruff Key Size Table Chart ANSI B17. clearance. (1) d b1 b2. TOLERANCES ISO. Preferred tolerance grade ISO 286; International Tolerance GradesFor a solid steel shaft of 18mm diameter, with keyway 6 wide x 32 long by 3. 000 / +0. 4235 : Part 1 : 1972)Woodruff key is a flat semi-circular or half-moon-shaped disk with a uniform thickness, which directly fits into the semi-circular recess of the shaft. 1-1967, ASME standard B17. The standard tolerance for the shaft of grade 7 (IT7)= 16 i= 16 × 0. It may be mildly magnetic. 3mm 2. 3mm 3. ANSI-B17. 250 for key but 0. The method comprises the steps that (1) the height H of a central line of the shaft part is measured, (2) the height h of the central line of a measurement block is. N = Number of splines. Rockwell B80. 4235 : PART 1 : 1972. The primary function of keys and keyways. 1250 0. 5000 2. g. Check hubs, shafts and keyways for burrs. 1-1967, R1989) Metric Square & Rectangular Parallel Keys & Keyways (B. Engineering Hardware Design Data. Standard. --keyway dimensionsStandard keyway dimensions Keyway metric key dimensions standard keyways keys bores shaft hub depth iso diameter engineering table edge width. The keyseat in a shaft for a parallel key. 5000 2. 19-1997 ; Keyway Stresses for Non-metallic Gears and Shafts Formulas and Calculator; Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. 3 Cross section of keyway r2 b2 r2 b1 b2 r1 b1 S2. Enter your desired preferred tolerance grade and the nomial size. Metric Key Keyway Dimensions Engineering Hardware Design Data ISO Hardware Specifications Table Metric Key Keyway Dimensions Per ISO/R773 Js9 Width Tolerance. The True Position is the exact coordinate, or location defined by basic dimensions or other means that represents the nominal value. Bore Size Identification System. the spline connection, then major diameter transition fit (or interference fit) according to ISO (outside shaft diameter toler-ance H7 and major internal diameter tolerance n7 (or H7/p7These pockets in shafts are directly cut by using woodruff keyway cutters. and the tolerance is the difference between the limits. 7530 3. LOOSE RUNNING: Fit for wide commercial tolerances. com ©2004-2021 Kramer Power Equipment Co. LOOSE RUNNING: Fit for wide commercial tolerances. Keyway Size Chart - Farrell BearingsBS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. 000 -0. Check hubs, shafts, and keyways for burrs. WIDTH. While a designer is free to specify any keyway they wish, straying from the standard option is likely to increase the cost, time, and complexity of the part. Rockwell B50. 1 12 4 4 4 13. 0005 / -. MIKI PULLEY Coupling Standard Hole Drilling Standards. 90 2. Shaft Diameter. The profile of a straight sided spline is defined by. In the example, the upper limit (largest value) for the part is 4. No external keyStandard Keyway Dimensions Shaft Diameter Set Screw Width Depth Up through 7/16" 8-32 3/32 3/64. FREE RUNNING: Good for large temperature variations, high running speeds. Keyways will be furnished per ISO/R773 (DIN 6885/1) and J s9 width tolerance unless otherwise specified. 3/8 . The basic size of the feature or fit is the dimension the tolerances will be applied to: The zero line in the calculator. BS ISO 4156:2005_1: Straight cylindrical involute splines. i always thought internal keyway should be within . 1; Hardware Design. Rockwell B85. A sprocket with an internal parallel keyway. The upper limit for the shaft = 40. Download. The calculator has been tested, but no guarantee can be given for the accuracy of the results. A tolerance given that defines how far from a perfect line a feature can be. This key stock is stepped to match repaired keyways in shafts or gears. The symmetry tolerance does two things to the keyway; sets a tolerance for the keyway to be offcenter as well as tolerancing the width. Minimum keyseat width is that figure. Because this tolerance is looser, fabricators can secure it by hand. The dimensional charts below relate to metric rectangular keyways and metric rectangular keys, imperial rectangular keyways and imperial rectangular keys and imperial square keyways and imperial square keys. Our Online Calculator streamlines this process and provides a detailed final result immediately. Keyway sizing chartStandard keyway dimensions Standard shaft sizes key bushing table qd non bore keys shallow range gates includes specific each alsoGates belts, hoses,. look. 2Iso 286 tolerance fit chart pdf When designing an engineering product the fit required and the appropriate tolerance must be determined. 625 / . Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. NOMINAL SHAFT DIAMETER. If you don’t. Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. 424 Minimum 2. Hole-Drilling , Tolerances , Fitting. The bottom circular portion is placed in the shaft by. Parallel keys are the most common form of keyway. shaft tolerance table (iso) ≥ ＜ b10 c9 d8 e7 e8 f7 g7 h6 h7 h8 js7 k7 m7 n7 p7 r7 s7 t7 - 3 +180 nema quick reference chart nema frame de2f h nop uvaa ab ah aj ak ba bb bd xo tap 42 2-5/8 1-3/4 1-11/16 9/32 1-1/2 54-11/163/8 1-1/8 3/84-1/32 1-5/16 3-3/4 3 2-1/16 1/84-5/8 1-9/16 1/4-20 slot 48 3 2-1/8 2-3/4 11/32 1-7/8 5-7/8 5-11/161/2 1-1/2 1/2 4-3/8 1-11/16 3-3/4 32-1/2 1/85-5/8 2-1/4 1/4-20 slot Coupling Interchange Chart Gear Couplings QF25x2-1/2 (hub size followed by bore size). Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. The fit designation ranges from clearance fits to interference fits. Size Shaft Dia. 000 Keyway Depth ( t ) All sizes +0. W = d/4[clarification needed] H = 2d/3[clarification needed] where. Thru Width "W" Height "H" Nominal Min. The interference fit standard for most couplings made of medium-carbon steel are 0. 0. Standard Metric Keys & Keyways for Metric Bores with One Key. 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. H11/c11. 5020 2. 975-0. Created Date:tolerances, poor installation practices, thermal growth or shrinkage, foundation movement, and/or component wear. They may be used with shims if the depth cannot be broached in a single pass. shaft tolerance table (iso) ≥ ＜ b10 c9 d8 e7 e8 f7 g7 h6 h7 h8 js7 k7 m7 n7 p7 r7 s7 t7 - 3 +180 +140 +85 +60 +34 +20 +24 +14 +28 +14 +16 +6 +12 +2 +6 0 +10 0 +14 0 ±5 0-10-2-12-4-14-6-16-10-20-14-24-3 6 +188 +140 +100 +70 +48 +30 +32 +20 +38 +20 +22 +10 +16 +4 +8 0 +12 0 +18 0 ±6 +3-9 0-12-4-16-8-20-11-23-15-27-6 10nema quick reference chart nema frame de2f h nop uvaa ab ah aj ak ba bb bd xo tap 42 2-5/8 1-3/4 1-11/16 9/32 1-1/2 54-11/163/8 1-1/8 3/84-1/32 1-5/16 3-3/4 3 2-1/16 1/84-5/8 1-9/16 1/4-20 slot 48 3 2-1/8 2-3/4 11/32 1-7/8 5-7/8 5-11/161/2 1-1/2 1/2 4-3/8 1-11/16 3-3/4 32-1/2 1/85-5/8 2-1/4 1/4-20n Metric keyway tolerances conform to ANSI/AGMA 9112 Normal keyway width tolerance. All internal calculations are done using metric millimeters. Keys and keyways. 3 or below. 35 9. Where a key is to be used it should be parallel and side fitting with top clearance. 1This all-new CR Seals handbook from SF com-bines or best ideas and insihs from he ast and he resen We hoe i beomes yor first and las sorce for informaion on radial shaft sealsBritish ISO Metric Screw Threads Designations. You could not by yourself going with books store or library or borrowing from your contacts to way in them. Non standard bores and over the keyways. The hole basis fits have four preferred hole tolerances (H11, H9, H8, and H7); the shaft basis fits have four preferred shaft tolerances (h11, h9, h7, and h6) as shown in Table 6-1. 5580. Hole and Shaft Tolerances range from greater than 0 to 500 mm. Engineered to the same high standards as our patented systems, BEST Standard cores are made to the same strict tolerances and high standards of excellence in manufacturing as our patented options to ensure quality,. Top. 8 38. B +0. 35 7. ISO-TOLERANCE h9 (SLIP FIT) MATERIAL: C 1045 DIN 6880 Key/Flat Stock Hex Rod MATERIAL: C 1045 (replaces former C1028) Size mm 2X2 3X3 4X4 3X5 5X5 4X6 6X6 7X7 5X8 7X8 8X8 10X10 6X10 8X10 12X12 6X12 8X12 14X14 6X14 9X14 10X16 16X16 7X16 11X18 1 Meter Lengths (39") 0. 2-1967. broached internal keyway possibly has larger than . Key Depth Tolerance is +. Bonus Tolerance Example: Let’s look at a bore of 1/4″ +/- 0. Comments are off. 66 edition; DIN ISO 286 Part 2, 11. 376 . Keyway metric key iso dimensions standard keyways keys r773. Metric Keyway Tolerance Chart. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 7500 3. Key dimensions: Parallel keys are most commonly used. Width. Metric pdffillerWoodruff key cutter size chart Woodruff key size chart metricMetric key keyway dimensions per iso/r773. Machines + Processes. 314 . 4. In this case, the torque that can be transmitted when a key is added to the shaft is approximately 12 percent lower than the torque that can transmitted by the plain shaft (393 Nm vs 447 Nm). Check Details. Tolerances and resultant fits SKF com. It represents the actual shape of the component’s planar features retaining the ideal plane condition. 3. 002-0. DIN 178. The key and key seat cross section are ISO standardized. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be. Standard and metric keyway broachesTable aii-12. General Tolerances (Excerpt from JIS B 0405 1991/JIS B 0419 1991）. The premise is; if you surrender 10% of the total product tolerance to the gages, you will pass 90% of your product tolerance 100% of the time, if the Go fits and the No-Go does not. - The maximum tolerance describes the. Find the depths to cut in keyway and keyseat. 3 l S1 6. S2=Tolerance of h× 2 1 S1=Tolerance of b× 2 2. Hole tolerance for diameters not defined by ISO 286-2. 1. • Define the perpendicularity tolerance. 2) Dimension h of the taper key names the largest height of the key, and dimension t z largest depth of the hub keyway. It is not economical to “over-tolerance” a feature that does not require it. 5 Hope that helps . Tolerance Class: Shaft t 1: Hub t 2: Normal: Close: Shaft N9: Hub Js9: Shaft & Hub P6:. Statistical Tolerance. Home. Dimensions in millimetres. SPRINGER HANDBOOK OF MECHANICAL ENGINEERING Taylor & Francis Pneumatic power is ideal for the ever increasing range of 'light' applications in which a cheap, clean, adaptable source of. Durometer 80D. 'Keyway Tolerance Chart PDF documents docucu archive com April 21st, 2018 - Keyway tolerance chart PDF results Shaft Do not scale metric din 6885 1 c js9 keyway all dimensions are in mm set screw length øa depth 10 4 11 4 12 8 13''Keyway Dimensions Armstrong MetalcraftsWhen a keyway is damaged, cut a new, wider one. 96 3. 3 6. This standard defines the bore and keyway tolerances to be used for V-belted sheaves. 010 Height (d) (t) - DIM Keyway Width (w) AGMA 9002-A86 Inch Bore and ANSI B17. Key & Keyway Dimensions Millimeters Shaft Diameter. This is an intuitive concept to grasp- a clearance fit specifies a fit where. 4375 1. +40 0. 8 14 9 51 58 16 4. in Machine Elements & Structural Engineering. 53 2. Mechanical Tolerance Chart Data. Insert Arrangements Shell Size Designator Insert Arrangement. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. 020 0. Keys and Keyways: Dimension charts for Keys and Keyways: Limits, fits and tolerances calculators: Calculates the limits, fits and tolerances according to ISO 286(2010), ANSI B4. “Learning GD&T From Scratch,” provided by KEYENCE, walks you through the basics of geometric dimensioning and tolerancing,. The advantage of the Js9 tolerance is that the key can be inserted and the gear manipulated without much difficulty. 010 inch, max is provided for offset (due to parallel displacement of keyseat centerline from centerline of shaft or bore) of keyseats in shaft. 8") 3 m lengths available. Page 1420 | Modi˜cation standads DIN 6885 Keyway, key details Extract Page 1 heavy type d b P9 / JS9 Hub keyway b P9 / N9 Shaft keyway h t 1 = d + t 2 t 2 t 3 = d – t 4 t 4 6 2 2 2 7 1 +0,1 4,8 1,2 +0,1 The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. In order to avoid stress concentration, leave radii on the keyway corners. 80. Max. 19-1997 ; Keyway Stresses for Non-metallic Gears and Shafts Formulas and Calculator; Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. 2-1978 standards. Metric machine keysKey steel 12" lengths Keyway metric dimensions key iso tolerance js9 r773 width per depth hub t2 height radius text mill question answered hasnKey size. Useful Data On Limits & Fits and Keyway Sizes - TNN Engineering. 000/-0. 5000 2. But also, there are lots of kinds of other applications. 001" (. Check Details. H8/f7. Get a quote +61 7 3271 5424. Keyway Slot Tolerances. 9 20 12 76 86. 020: 0. Maximum Interference:. ISO Tolerances for Shafts (ISO 286-2) Nominal Shaft Sizes (mm) over. Shaft ends Diameter tolerance: Center bores according to DIN 332, shape D [in], shape DR [mm]: Keys: according to DIN 6885. ex: H11. Standard. Keyway (Hub) Keyway. Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. Key Size. Referencing Figure 1, the keyway dimension is W x T1. Dumont CNC - Broaching Inserts; Cutting Width (Decimal Inch): 0. 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 Hub “T2. 001 56 = 0. Over To (Incl. 1 Nm. 095 . BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions. Geometric dimension and tolerance ( GD&T ) is a type of tolerance used along with linear tolerance to define nominal and allowable variations in the part geometry or an assembly. Specification. Referencing Figure 1, the keyway dimension is W x T1. 10. ASME B1. CLOSE RUNNING: For accurate location and moderate speeds. The ANSI B4. ISO Tolerance Zones, Allowances, Fit Tolerances Inside Dimensions (Holes) ISO tolerance zones, allowances, fit tolerances; Inside dimensions (holes) acc. KA F m D b A KB B L KC C 2-C0. ISO 286 Chart Calculator. 120 32 7,4 120 120 120. 1) This Standard defines preferred tolerances for limits and fits for nonthreaded cylindrical features and defines specific sizes, fits, tolerances, and allowances for use where they are applicable. Web Price. 442 2-5/16 2. The first is Js9. If held to these tolerances, cutting tools, material stock, and gages are generally available throughout the world. 312 / 2. 4. 4. Undersized. The tolerance zone for shaft keyway width b with normal fit is ISO N9 and with close fit ISO P9. Buy Now. 30302 is a webpage that provides comprehensive guidance on how to select, install and maintain rolling bearings for various applications. keyway js9 tolerance chart secure4 khronos web may 21 2023 the same and is only listed. 1890 0. 00 2. T-276 (Autosaved) T-276 (Autosaved) Anbarasan Perumal. , M10 x 1. Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you need to disassemble. Reference AGMA 9002-B04 IMPERIAL METRIC NOMINAL KEYWAY KEYWAY DEPTH MEASURED AT CENTER Metric Standard Bore and Keyway Info Recommended Bore. Description. T Metric trapezoidal thread, 7H: ISO 2903 Axial run-out locating face/thread: 0,06 to 0,16 mm max. 1 0 : 1. 3mm 2. Keys and keyways BS 46 Part 1 : 1958 Keys and keyway Dimensions-Parallel Rectangular Adve Radius 0. 3 5 5 18 22 6 2. ISO Hardware Specifications Table. ANSI B17. Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. Identifies two or more separate features that should be treated as one such as two planes separated by a keyway. The Position tolerance is the GD&T symbol and tolerance of location. 1. Keyway (Shaft. Check Details. idw Author: Todd Ryan Created Date: 4/22/2008 8:59:43 AM. 0010". 8 7. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. WooHoo! You subscribed successfully. 1875 0. 5-6H/6g. 001) of an inch. Keyway key parallel jis sizes tolerances 1301 mm 1996 pulley excerpt unit techKeyway metric Table aii-12. Preferred tolerance grade ISO 286; International Tolerance Grades For a solid steel shaft of 18mm diameter, with keyway 6 wide x 32 long by 3. The common The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. This Calculator will determine the preferred size and limit tolerances for Running or sliding to interference-locational fits per ANSI B 4. 332 Maximum 3. Lid Chart. Oversized keys create a tight fit. Over 1000 to 2000 incl. There many standards that cover the topics of metric bore tolerances, fits and keyway sizes. 246″ If the actual bore measures 0. Symbol. TB Wood’s 888-829-6637F1-3 Sure-Flex Plus® Applications Sure-Flex Plus couplings can be found hard at work in many industries. DIMENSION TOLERANCE ` FRACTIONAL 1/64 ANGULAR 0. BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements. This is a +/- band clearance; the value of. 99. Surface Roughness Conversion Chart Tables- Engineers Edge. Check out this Dowel Pin Slip Fit Tolerance Chart for further consideration on slip fit tolerances. ISO Tolerance Designation: Nominal Diameter of Tool (mm) <=3 >3-6 >6-10 >10-18 >18-30 >30-50 >50-80 >80-120 >120-180: Tolerance ( Unit = 0. BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. The dimensions and tolerances of keys of sizes 4 4 to 40 22 covered in IS : 2048-1975 were exactly the same as those covered in IS : 2710-1975, which specification was applicable to machine tools. The hole basis fits have four preferred hole tolerances (H11, H9, H8, and H7); the shaft basis fits have four preferred shaft tolerances (h11, h9, h7, and h6) as shown in Table 6-1. 2 continued. Refer to the Factory for larger coupling sizes. ASME Y14. 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. REFERENCE DEPTH. ISO 286The parallel tolerance is tighter than symmetry. Customer Service. MIKI PULLEY Coupling Standard Hole Drilling Standards. Question: Metric Key Keyway Dimensions Per ISO/R773. ANSI Woodruff Keys. GD&T also allows for manufacturability and inspection of a product. 05 FSO 600/2. 3 h2 = h, f = h, e ≒ b S1 = b's tolerance×1 2 S2 = h's tolerance×1 2 6. Hub keyway depth is one-half the nominal height of the key and measured from the side corner. 1 9. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. Oversized. The letter is the tolerance deviation, the number the tolerance grade. Fillet radii comply with AGMA 9002-A86. 2) Dimension h of the taper key names the largest height of the key, and dimension t z largest depth of the hub keyway. , depending on the lock nut size: ANSI/ABMA Std. 4 Coupling Interchange Chart Gear Couplings QUICK FLEX® with black insert high-speed split cover Part # Torque Nm Max Bore mm Part # Torque Nm Max Bore mm 101 1,140 44 QF25 1,407 50 101-1/4 1,756 47 QF50 2,992 60ISO 2768-1 stands for the general tolerances for linear and angular dimensions without individual tolerance indications, ISO 2768-1 indicates the linear dimensions and angular dimensions such as external sizes, internal sizes, step sizes, diameters, radii, distances, external radii, and chamfer heights for broken edges. REFERENCE DEPTH. Thru Width "W" Height "H" Nominal Min. (1) d b1 b2 b1. 3mm 2. Only informative sections of standards are publicly available. When a specialized cutter is used to cut the Keyseat, it’s a. For a key to function, there must be a keyway on the shaft and a keyseat on the rotating machine element. However, this key is easy to remove and difficult to install. Free running fit not for use where accuracy is essential, but good for large. If held to these tolerances, cutting tools, material stock, and gages are generally available throughout the world. View available parts by clicking on the following link: DIN 6885 Parallel Keys High Type “A”Machine Key Comprehensive Guide. 1/16" 3/32". If you are looking for a comprehensive and reliable source of information on jaw type couplings, you should download the Jaw Type Catalog PDF from Lovejoy, a Timken company. In a case where a rotor like a sprocket is radially centered by . The hub keyway is dimensioned by its width and depth on the shaft – keyway sides.