015. Table 1 details the appropriate key slot and key sizes for various metric bores. BS 46 Keys and keyway Dimensions-Parallel Rectangular Ref Standard . Related: 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. Screw Size Specifications Tap Drill Clearance Drill Aluminum, Brass & Plastics Steel, Stainless Steel & Iron Close Fit Standard Fit 75% Thread 50% Thread No. 0625, which is the result of dividing 1 by 16. Square keys. Bore (DimCoupling keyway dimensions conform to DIN 6885, JIS B 1310-1976, UNI 6604-1969, USAS B 17. 1/3 Through 5 HP, “A” and “B” Belts. 0005 keyway and shaft dimensions b-7249 1 b b c d a. This is our collection of frequently used reference tables for shop work. Min. The U Type consists of a triple-wound flexible steel spring brazed to a steel hub at each end. Browse L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Coupling Size,Keyway Size (W x D),Length thru Bore,Outside Diameter,CAD2 woodruff keys imperial workshop warehouse web woodruff keys imperial move your mouse over image or click to enlarge contents 15 x sizes 1 16 x 1 2 3 32 x 1 2 1 8 x. 46 : Part 1 : 1958 DIMENSIONS OP KEYS AND KEYWAYS POR MARINE TAILSHAPTS. Metric hex key wrenches made in germany from . In our guide, you can learn more about how to use our Allen head size chart. 5000 2. Keyway Size (W x D) 1/4 x 1/8 in: Length thru Bore: 1. 4. Frac. The profile of a straight sided spline is defined by. 15 12 17 5 5 0 / -0. Max Min Max Min 6/0 0. Browse Part Number 68514437257, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. 89 mm: Keyway Size: 1/2 x 1/4 in: Length thru Bore (Dimensions LTB1/LTB2) 3. 5. From £578. Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. Set Screw Style Coupling Size (Dimension T) 5/16-18: Keyway Size (W x D) 5/16 x 5/32 in: Overall Length: 3. For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings. Customer Service. The letter is the tolerance deviation, the number the tolerance grade. Imperial Woodruff Key Keyway Dimensions Pdf is available in our digital library an online access to it is set as public so you can download it instantly. Metric Imperial. 83. 86 3. BALDOR ELECTRIC COMPANY P. Email. 51 in 139. Catalog Stock Sizes Available: 0. Show results for Filters. 5. 5020 2. Browse Part Number 68514410771, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. 4235 : PART 1 : 1972Nominal Shaft Diam KeySizeDimensions (mm)Over To (incl. As noted above, when selecting a keyway tolerance, there are two common selections in the metric. 97 mm: Outside Diameter: 2. In this calculation a shaft of length L, diameter D, with keyway dimensions K × H is considered. a. 46 : Part 1 : 1958 DIMENSIONS OP KEYS AND KEYWAYS POR MARINE TAILSHAPTS. 005 x. There are two types of controllable pulleys: the M type with a hand wheel and built-in. Sunk keys are sunk into the shaft for half its thickness, where the measurement is taken at the side of the key. Max. Our customers in the USA are managed by JW Winco. 010 0. The dimensions of keys for marine tail-shafts should be hased on shaft diameters obtained by Lloyd's rule. As with all functions of the Machinist's Calculator, linear values can be. 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 bodyDimensional Charts are for Metric Taper Keyways, Metric Taper Keys, Imperial Taper Keyways and Imperial Taper Keys. Moorland Rd. 790 in 20. NOTE. Bore Size : 1 1/4 in: Coupling Size: 38 : Set Screw Style Coupling Size (Dimension T) 5/16-18 : Set Screw Style Coupling Location Size (Dimension SL) 0. 750 in 19. 98 mmBrowse Part Number 68514462017, Curved Jaw Coupling Hub w/ Keyway in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Type,Coupling Size,Hub Material,Set Screw Style CouNeedle Bearing (NB) Type. Bore with Keyway Pulley (Aluminium, Imperial) 2A - A Section, 2 Groove. 05 mm:. RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. Recommended uniform relationship between shaft diameter and key sizes for parallel and taper keys. The lock washers engage a keyway in the shaft or adapter sleeve thread. We use . We would like to show you a description here but the site won’t allow us. Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. 07 mm: Keyway Size: 5/16 x 5/32 in: Length thru Bore (Dimensions LTB1/LTB2) 1. The dimensions of keys and keyways for marine tai l - shafts shall be as shown in Table 8 and Fig. au. 620 in 15. See Detail. 2388 State Route 726 Eaton, Ohio 45320 (937) 456-2232 Fax (937) 456-2282 [email protected] in 95 mm: Overall Coupling Length: 4. Min. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. All dimensions are given in inches. 02 mm: Overall Coupling Length: 3. Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore: 0. a. All dimensions given in inches. Many keyways are milled directly into a shaft or broached into the. Browse Part Number 68514412594, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. Table 1 below presents a summary of the typical. xx 0. * These Width A values were set with the maximum keyseat (shaft) width as that figure which will receive a key with the greatest amount of looseness consistent with assuring the key's sticking in the keyseat (shaft). The key length should be less than 1. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. 84 in -0. 0010. Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore: 0. TAPER KEY DIMENSIONS - METRIC - BS 4235 -1: 1972 Keyway Size Chart - Farrell Bearings ways. Nominal torsional stress τ = T/ ( π/16搞 k3 ), d k =d-t 1. 3MM KW : Bore Size N/A 38. 380 in 35. 88 mm: Outside Diameter: 4. Fully-threaded, headless screw with a hex drive at one end and a protruding tip with a flat surface at the opposing end. 0625 0. Bore Size : 1 in: Coupling Size: 28 : Set Screw Style Coupling Size (Dimension T) 5/16-18 : Set Screw Style Coupling Location Size (Dimension SL) 0. 2020-04-21 16:00:46. 98 mmThe U Type is the basis for all Uniflex couplings. Unless stated otherwise, hub torque and horsepower ratings assume a SOX (NBR) rubber spider is being used. 010 inch, max is provided for offset (due to parallel displacement of keyseat centerline from centerline of shaft or bore) of keyseats in shaft. “Hydraulic Pump and Motor Mounting and Drive Dimensions”. 5000 2. size jrc web accessories 46 passaic avenue fairfield, nj 07004 125 unless otherwise specified remove all burrs & sharp edges reference drawing dimension tolerance ` fractional 1/64 angular 0. Imperial Tap Chart. 98 mm: Spider Outside. 560 in 65. The keyway dimensions are also different from the English system. S. To broadly and briefly touch on bore and keyway standards, the North American (inch/imperial) standards tend to be more straight forward with limited variation (derived off the shaft). 487 Minimum 2. Consumers should consult with suppliers. 414 Maximum 2. O. Threads are American National form, Class 3. ANSI B17. 03937" 1" = 25. 1 for Js9 Dimensions) Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal. Imperial, Inch Hardware, Metric, ISO Heat Transfer Hydraulics Pneumatics HVAC Systems CalcsBrowse DD Type without Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore A & B,Material,Set Screw Size,Keyway A & B (W x D),Outside Diameter,Overall Length,Bore Depth,Static Breaking Torque,F Type Flex Hubs with Keyway - Inch (Imperial) Bores. 2; Thread Shear Area for External and Internal Formulas and Calculator per. Transeals - Keyway Chart. BSI Shop. 5 +. Pulleys Size Chart - Pulleys Size Chart. Parallel Metric Keys and Keyway Dimensions RoyMech. 82 in 20. It is ideal for applications with angles up to 25° and speeds of up to 1,750 RPM. M Series keys operate both CORMAX and BEST Standard cores (backward compatibility) with J, K, L and M keyways, allowing for easier management of a hybrid keying solution. 8 22 30 8X7 8 3. 3 17 22 6X6 6 2. 99. The key length should be less than about 1. For more information about our Imperial machine keys, call us today at 724. * These Width A values were set with the maximum keyseat (shaft) width as that figure which will receive a key with the greatest amount of looseness consistent with assuring the key's sticking in the keyseat (shaft). Machine keyway to recommended size and tolerance listed per Table 4 on Page 3. 3. The Woodruff Key numbers indicate normal key dimensions. 74 in 95 mm: Overall Coupling Length: 4. The dimensions in brackets can only be made from the standard rolled steel dimensions by repeated drawing. 4mm 1mm 1. Height. 99 mm: Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore (Dimensions LTB1/LTB2) 1. Select your units as required. AGMA ASA Keyway and Bores Design Data including dimension and tolerances. 8mm 2. All Dimensions in inches. 5. For dimensions in millimeters, multiply inch values, except thread diameters, by 25. Just enter the size of the key and shaft, then click "Calculate". 8mm 2. 125 inches (4. As we know,The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). WDS 6165. ANSI B17. 5. Ideal for applications up to 25° of angular misalignment and speeds up to 6,000 RPM. 980 in 24. Keyway Connection. - Size 15-1/2 H x 13-1/2 W x 1-1/2 D. You can also drop us a message at [email protected] +0. Plain Type. 02 mm: Overall Coupling Length: 3. 1. The inch and metric dimensions here correspond to common values. Browse Part Number 68514411522, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. 9 mm, & 1. ANSI B17. 4. Keyway (Hub) Radius r. Min. 0005 / -. You are here: Home > Knowledge Base > Standard Keyway Dimensions. 150. Depth of keyway is measured at CROWN. 846. A Hole Callout is inserted and the Dimension PropertyManager appears. 99 mm: Keyway Size (W x D) 1/4 x 1/8 in: Length thru Bore (Dimensions LTB1/LTB2) 1. Bore Size : 1 7/8 in: Coupling Size: 48 : Set Screw Style Coupling Size (Dimension T) 5/16-18 : Set Screw Style Coupling Location Size (Dimension SL) 0. 04 mm: Outside Diameter: 3. Keyway Sizes. SIZE ATK501P 4 x 4 ATK502P 5 x 5 ATK503P 6 x 6 ATK504P 8 x 8 ATK505P 10 x 10 ATK506P 12 x 12 ATK507P 16 x 16 ATK508P 22 x 22 ATK509P 25 x 25 ATK600P 25 x 22 ATK601P 7 x 8 ATK602P 8 x 10 ATK603P 8 x 12 ATK604P 9 x 14 ATK605P 10 x 16 ATK606P 11 x 18. 3M. Phone: +61 (8) 9451 6011Facsimile: +61 (8) 9458 5766. Keyways Index. 390 in 9. Browse Part Number 68514444136, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. 05 mmBrowse Part Number 68514462027, Curved Jaw Coupling Hub w/ Keyway in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Type,Coupling Size,Hub Material,Set Screw Style CouBrowse Part Number 68514462029, Curved Jaw Coupling Hub w/ Keyway in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Type,Coupling Size,Hub Material,Set Screw Style CouDimensioning a hole keyway requires measuring the exact size and shape of the keyway so that the proper machining and drilling can be done in order to create the correct fit. Shaft Diameter vs Key Sizes Design Recommendations. 5 mm to 10 mm. Frac. F Type Flex Hubs with Keyway - Inch (Imperial) Bores. Browse Econoline Series M Type Manual Pulleys w/ Keyway - Imperial in the The Timken Company catalog including Part Number,Description ,Bore Diameter ,Belt Type,Model,Keyway Size ,Outside Diameter,Max. MB and MBL lock washers are locking devices, used to secure KM, KML and HM . RoyMech Resources Keyways BS 46 :1958 Parallel Keys and Keyway Dimensions These Pages include various standards. - Series EL couplings supplied with Keyway Bore (inches) Reference Height (d) 1. Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors:. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. RECTANGULAR KEY DIMENSIONS - IMPERIAL - BS46:1 1958 SQUARE KEYWAY DIMENSIONS - IMPERIAL - BS46:1 1958 SQUARE KEY DIMENSIONS - IMPERIAL -. Two-bearing housings – PD series . Imperial machine have dimensions listed in imperial units also referred to as the imperial system and are listed as ANSI - ASME standard machine keys. 98 mmDesign of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque Equations and Calculator. Unless otherwise specified, the shaft keyway is assumed to be standard. Bushings rest inside the arbor hole of your workpiece and act as guides to ensure rigid and accurate keyway cutting. 5. Drill Size Inches Approx. Bore Size : 1 in: Coupling Size: 24 : Set Screw Style Coupling Size (Dimension T) 10-24 : Set Screw Style Coupling Location Size (Dimension SL) 0. T lock nuts onto a shaft or adapter sleeve and prevent unintentional loosening. Find 69790411709 CMM Type Mill Motor Coupling Hubs w/ Keyway - Imperial from The Timken Company. com. Lock nuts with integral locking . WOODRUFF KEY DIMENSIONS - IMPERIAL - BS46:1The FLA Type coupling consists of two special FLA Type flex hubs, two FLA sleeves and one accessory kit. To use this calculator, input your Torque, Shaft Diameter and Key Length values. Possesses an oval-shaped point on the end opposing the flush. 3mm 2. Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors:. From £344. 95 mmBore Size : 2 1/8 in: Coupling Size: 75 : Set Screw Style Coupling Size (Dimension T) 3/8-16 : Set Screw Style Coupling Location Size (Dimension SL) 0. Browse QUICK FLEX Standard Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Coupling Size,Keyway Size (W x D),Length thru Bore,CADThe basic size of the feature or fit is the dimension the tolerances will be applied to: The zero line in the calculator. Hex Head Fasteners. Created Date:the expense of below as capably as review Imperial Woodruff Key Keyway Dimensions Pdf what you similar to to read! woodruff keys mcmaster carr web key size 8 mm 11 mm 15 each key size 2 5 mm 3 7 mm 25 each key size 5 mm 10 mm 15 each key size 2 mm 5 mm 25 each key size 6 mm 9 mm 15. 6 - M 18. 25. Ref. Do not chamfer setscrew hole, deburr with a file. . Taper keys with or without gib head and their corresponding keyways. all dimensions in inches. ISO/TC 14. Other data formats. 38 1958. Figure 1. Figure 2 Keyway Sizes. Box 12086 Omaha, NE 68112-2086 Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe. Over Width, W Height, H Size, bxh 1 1/4. Parallel Keys and Key Grooves Note(1) The applicable shaft diameter is calculated from the torque corresponding to the strength of the key, for presentation as referential data for general-purpose use. The charts below gives the dimensions for Gib Head Keys and Keyways to DIN 6887and BS46. 3 Preferred length and weight of keys - Preferred length and weight of keys is given in Table 4. You can even reach our Product Management Department at 847-775-4600 or via email to info. British ISO Metric Screw Threads Designations. Min. Read more on how keys and keyways work and what types are available – Keys and Keyways. This standard covers the size, type and tolerances of parallel and taper keys and keyseats, and their relationship to shaft diameters and bore diameters. The shear characteristic of the coupling is very well suited to absorb impact. Keyway Size (in) Part Number Description Bore Size Coupling Size Hub Style Keyway Size (W x D) Length thru Bore CAD; 68514417923:. 25 - M 1. 540 in 89. The key length should be less than 1. 020 0. 1) The tolerance zone for hub keyway width b for parallel keys with normal fit is ISO JS9 and with close fit ISO P9. AGMA ASA Keyway and Bores Design Data including dimension and tolerances. The keyway should be. BS ISO 4156:2005_1: Straight cylindrical involute splines. 1890 0. 620 in 15. If a setscrew is required, drill and tap over keyway as shown in Figure 3. All dimensions given in inches. They are primarily used in compact applications like electronics and aren’t seen in every industry. Bore Size : 1 in: Coupling Size: 38 : Set Screw Style Coupling Size (Dimension T) 5/16-18 : Set Screw Style Coupling Location Size (Dimension SL) 0. : 10 : Part 1:1972 and conform to I. 3 38 44 12X8 12 3. Nominal Size Square Key: Cutter Hole & Keyway. 22 3. 1890 0. 88 mm: Outside Diameter: 4. Keyway Size (W x D) No Keyway : Length thru Bore: 1. WIDTH. rad 10 12 4 4 2. Engineering Information Taper Metric Key and Keyway Dimensions WOODRUFF KEY DIMENSIONS ANSI Key No. ) Imperial Sizes (inch. Max. Imperial to Metric for Allen Keys. 130 in 104. 960 in 125. ) Metric Sizes (mm) PART NO. keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. Imperial woodruff keys are measured by their width and diameter, whereas metric woodruff keys are measured by their width and height. KM and KML lock nuts are used to locate bearings onto a shaft. Hardware ANSI Menu. 770 in 44. Browse Part Number 68514426088, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling. S. The Feather Keys or Shaft Keys are similar to the parallel key except that they are radiused on both ends and machined to tight length tolerances. Sort by: Bore diameter d. 3mm 2. The precision SAE sizes are 0. Allen wrenches are frequently relatively small and are available in various standard SAE International sizes, including 5/32-inch, 3/32-inch, 7/16-inch, 3/16-inch, 1/18-inch, and 14-inch. 97 mm: Outside Diameter: 2. Square keys. The fit designation ranges from clearance fits to interference fits. 3 30 38 10X8 10 3. 88 mm: Overall Coupling Length: 3. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. 64 3. The callout contains a diameter symbol and the dimension. Browse QUICK FLEX Standard Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Coupling Size,Keyway Size (W x D),Length thru Bore,CADBrowse Part Number 68514411518, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. 88 mm: Outside Diameter: 4. As a result of calculations, the total twist angle φ and the maximum shear stress τ are determined. Browse Part Number 68514449706, AL Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Coupling Size,Hub Style,Coupling Type,Material. The following tables show standard dimensions for keys and. com. The F Type coupling consists of two flex hubs, two sleeves and one accessory kit. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Browse Part Number 69790414240, F Type Rigid Hubs, Inch (Imperial) Bore & Keyway - Exposed & Shrouded Bolt Designs in the The Timken Company catalog including Part Number,Item Name,Description,Description ,Bore Size ,Size,Hub Style,Type,HubWe manufacture several kinds of machine keys in many sizes: Woodruff keys are half-circle shapes, with radius or flat bottoms. 3mm 2. ISO 3019-1. 010 x. There many standards that cover the topics of metric bore tolerances, fits and keyway sizes. EICAC Imperial Keyway Calculator Page. Shaft (Arbor) Keyway Dimension Size Data -. Nominal sizes, dimensions; for tangential keys, tapered-shaft-end keys, marine tailshaft keys. Keys. Keyway Size (W x D) 5/16 x 5/32 in: Length thru Bore: 1. AWG Copper Wire Properties. d. Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors:. com web: Supersedes 4-96Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors:. REFERENCE DEPTH. Bore Size : 1 1/4 in: Coupling Size: 42 : Set Screw Style Coupling Size (Dimension T) 5/16-18 : Set Screw Style Coupling Location Size (Dimension SL) 0. Standard . 6-1 and for shafts in Fig. 99 mm: Keyway Size (W x D) 1/4 x 1/8 in: Length thru Bore (Dimensions LTB1/LTB2) 1. 54Cut precision keyways— these sets include broaches, bushings, and the necessary shims. 96 mm: Outside Diameter: 3. Recommended ANSI Standard Keys and Keyseats Design per. 970 in 50. ) Metric Sizes (mm) PART NO. 4 mm: Outside Diameter N/A 2. Nominal Shaft Diameter Nominal Key Size Normal Keyseat Depth Over Up to and Incl. Available in large bow, long blade and long nose key blank, the M Series works with special applications and is designed to enable seamless, phase-in upgrades inKeys 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. B +0. 070 in 77. Their extra depth in shaft reduces the overturning tendency in its keyway. 3 Preferred length and weight of keys - Preferred length and weight of keys is given in Table 4. b x h width x thck. 4. The way the length of a cotter pin is measured depends on the style of the. 06 mmBrowse Part Number 68514411091, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling. 490 in 114. Browse Part Number 68514410680, L Type Hubs without Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Materi. Browse Part Number 69790499329, SU-6 Type Complete Couplings - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Size,Hub Style,Type,Material,KeywayBrowse Part Number 68514411505, L Type Hubs without Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Materi. Nominal key size b × h Applied shaft diameter d Key size Keyway size; b h c or r Standard size of b1 and b2 b1Tolerance （h9） b2 tolerance （E9） r1 and r2 t1 t2; Standard size Tolerance（h8） Standard size Tolerance(h10) Standard size Tolerance Standard size Tolerance; 4×4: 10 or more and 13 or below: 4: 0 -0. 4375 1. Max. 2 – 1967, R1990 can be referenced for measuring standard woodruff keys. 180 in 29. 1265 0. bearing pressure p = F s / (h/2 微) MPa. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. Rexnord Industries, LLC, Coupling Group 427-108 5555 S. Get In Touch. 1) The tolerance zone for hub keyway width b for parallel keys with normal fit is ISO JS9 and with close fit ISO P9. ΔTo (Incl) 3 1/2 Square and 7 Rectangular key widths. Locate keyways per Figure 6 and Table 8. 542. 3mm 2. Canada also uses imperial measurements in some. NEMA states only a minimum value for AA dimension.