Ruland Manufacturing Co., Inc.
Marlborogh, MA 01752
Dec 19, 2008 Machined from single piece of aluminum, zero-backlash Beam Couplings feature both radial and cross-cut to optimize surface contact with shaft. Multiple spiral cuts provide torsional stiffness and allow couplings to accommodate angular misalignment, parallel misalignment, and axial motion. Available in 20 body sizes, couplings feature outside diameters from 3/8-1½ in. and bores from 3/32-¾ in. Stainless steel models are also available for corrosion resistance.

Mach III Clutch Inc.
Ludlow, KY 41016
Nov 25, 2008 Featuring low-maintenance design, Flexible Torque Limiter Coupling connects 2 supported shafts while providing overload protection for machine components. Multiple facings are spring-engaged to transmit torque to driven shaft until pre-set torque range is exceeded. Torque limiter then slips under load until jam is cleared or manual/sensor-triggered shutdown occurs. Product allows for up to 0.040 in. parallel offset and up to 3° angular misalignment between coupled shafts.

Tuthill Coupling Group
Berea, OH 44017
Sep 16, 2008 Manufactured out of nickel plated brass and crush resistant plastic, CC Series Coupling can achieve 200,000 activations without leakage. With non-marring design, flexible coupling accepts multiple plug configurations, reducing down time caused by switching air tools. It also ensures worker safety by eliminating dangerous hose whip, while protecting finished surfaces with rounded edges and polymer sleeve construction.

Rino Industries Ltd.
Chesterfield S41 9RN  United Kingdom
Sep 15, 2008 Backlash-free metal bellows couplings have pluggable, removable clamping hub. Tightening torque values increase with increasing OD of coupling hubs, which range from 27-84 mm, and bore sizes range from 3-40 mm. Stainless steel versions are available upon request, but standard materials are aluminum for sizes 2-60 and steel for sizes 80-150. Products are suited for applications requiring backlash-free qualities.

SDP/SI (Stock Drive Products/Sterling Inst)
New Hyde Park, NY 11042 5416
Sep 15, 2008 Including Series S52FCY with 21 inch and S52FCYM with 27 metric sizes, Shaft Reducers and Extenders incorporate Fairloc® fastening system, which consists of 2 slots that are machined into hub, one radially the other angularly, to create transverse wedge that remains attached to solid portion of hub on one side. Adapter's female end fits 14 shaft diameters ranging from .1200-.4998 in. (3-12 mm), while male side consists of shafts ranging in diameter from .1247-.4997 in. (3-12 mm).

Power Drive Components, Inc.
Plainview, NY 11803
Jul 02, 2008 With Bello Superflex Ribbed Couplings, application engineers can select size where peak torque exceeds application torque X service factors. Units feature AL alloy 2011T3 and 303 stainless steel hubs and offer complete range of bores in clamp styles, suited for power transmission applications.

Stafford Manufacturing Corporation
North Reading, MA 01864-0277
Jun 20, 2008 Made from steel, Remachineable Collars and Couplings feature pilot holes to let users remachine them to their own specifications. Collars can be rebored and threaded to match size of worn or replacement shafts, while couplings allow for mating of dissimilar sized shafts. Offered in 1 1/8-3 in. OD sizes, collars come in 1- and 2-piece clamp type styles. Couplings are available in 11 sizes with finished bore ends from ½-2 in. ID and pilot bores from 0.235-0.485 in. ID at other end.

Zero-Max, Inc.
Minneapolis, MN 55441 5537
May 20, 2008 Control-Flex® couplings feature center disc design and parallel linkage system that minimizes reaction forces due to transmission torque and shaft misalignments. They offer high parallel, angular, and axial shaft misalignment capabilities. Clamp-style zero-backlash hubs provide positive shaft connection, with electrically insulating center flex member affixed to shaft through pins. Single flex disc and double flex disc versions are available.

Stafford Mfg. Corp.
Wilmington, MA 01887
May 02, 2008 Available with plain and tapped holes, Accu-Flange(TM) Collars and Precision Sleeve Flange Couplings enable user to attach components such as pulleys and cams. Collars are machineable and couplings have solid center section for close tolerance fit on ground shafting. Supplied with standard keyway, both are available with ½-1 ½ in. bores in SS, steel, and aluminum and will not mar shafts. Collars retain perpendicularity and couplings maintain less than .001 TIR concentricity.

Bridgeport Fittings, Inc.
Stratford, CT 06497
Apr 01, 2008 Model 4157-DC is duplex AC/MC connector with cable range from 14/2 to 10/3 metal clad cable and ¾ in. electrical metallic tubing (EMT). Couplings' internal dimension allows conductors to pass through to EMT conduit without damaging conductor insulation. Transition fitting is suited for new construction and retrofit applications in schools and commercial buildings.

TB Wood's, Inc.
Chambersburg, PA 17201
Feb 06, 2008 G-Flex Grid Couplings are shot-peened to create protective surface layer that resists fatigue and stress corrosion, contributing to strength and working life. Couplings provide protection against damaging effects of shock loads and are interchangeable with industry standard designs. Available models include 1000T10 with horizontal split cover for limited space applications and 1000T20 with vertical split cover for higher running speeds.

Stafford Manufacturing Corporation
North Reading, MA 01864-0277
Jan 23, 2008 Featuring square and hex shaft output, clamp-type Rigid Coupling Adapters fit securely over output shaft to change mating configuration or size to suit application requirements. Units are machined from steel, stainless steel, and aluminum, and come in 7 standard bore sizes from ½-1¼ in. with ¾-1½ in. OD. Providing simple way to upgrade and retrofit machinery and conveyor drive components, adapters let user change configuration and size of output shafts with minimal effort.

Rino Industries Ltd.
Chesterfield S41 9RN  United Kingdom
Dec 18, 2007 Manufactured from aluminum (AW EN 7075), EASY couplings feature universal constructive elements that are independent of shaft size. These backlash-free, simplified shaft clamp couplings offer adjustable bores that enable stocks to be modified for application requirements. With max speed of 5,000 rpm, products come in 3 sizes from 19.10-31.80 mm OD with bores from 4-14 mm.

Ondrives Ltd.
Chesterfield, Derbyshire S41 9RN  United Kingdom
Nov 08, 2007 Offering power transmission with torsional vibration damping, Rotex® Couplings feature compensation of axial, radial, and angular shaft misalignment. Units are available with either blank or finish bores according to ISO fit H7. Hubs are steel, aluminum, or cast iron, depending on sizes chosen, and polyurethane spider element is to 92 Shore A, with other hardnesses available upon request. All couplings are supplied with 2 hubs and 1 spider each.

Zero-Max, Inc.
Minneapolis, MN 55441 5537
Sep 04, 2007 Suited for precision servo positioning, CD® Couplings feature clamp style hubs for optimal torque capacity on shafts without using keyways. Units handle system speeds up to 17,000 rpm and have torque ratings up to 94,400 lb-in. Designers can select from large size range and from combinations of inch and metric hub bore sizes to meet servo drive requirements. Applications include packaging machines, pick and place systems, and printing machinery.

Curtis Universal Joint Co.
Springfield, MA 01107
Aug 17, 2007 TakeApart(TM) couplings incorporate quick-change feature for continuous-service applications where uptime is critical. Single lock ring acts as safety wire, holding pins, block, and hubs together. By releasing spring, user can replace components of U-joint in under 2 min without special tools. Universal joints are available in 7/8-4 in. ODs, with 1,800-131,000 lb-in. torque capacities. They handle shaft misalignment up to 35° and are offered in various alloys.

Rino Industries Ltd.
Chesterfield S41 9RN  United Kingdom
Aug 15, 2007 Applied primarily to dynamic, controlled drives, Series AK metal bellows couplings are used where 2 rotating, opposite shafts must be coupled with force-locking and without backlash. Angular, lateral, and axial offset can be compensated, and resulting reaction forces can be neglected. Available in torque range of 30-5,000 Nm and diameters from 12-85 mm, products exhibit torsional stiffness and can be modified to desired specifications.

Rino Industries Ltd.
Chesterfield S41 9RN  United Kingdom
Aug 14, 2007 Designed to meet demands of dynamic drives on CNC machines that require high performance from their drive components, Series ADS and ASS couplings can be applied wherever 2 rotating opposite shafts must be coupled with locking force and without backlash. Able to be used at temperatures from -30 to +120ºC, these wear- and maintenance-free products are axially pluggable and torsionally stiff. Shock- and oscillation-damping design compensates for alignment errors.

Ringfeder Corporation
Westwood, NJ 07675
Jun 26, 2007 With Arcusaflex® natural rubber hardness mixture, element version UN, Arcusaflex® Flywheel Couplings feature durability for high-torque applications such as compressors and gen-sets. Units come in 21 sizes with torque ranges from 1,770-973,580 lb-in., which corresponds to approximately 6,500 kW at 1,000 rpm. All couplings meet European explosion protection standards set by ATEX 95 and are certified for use in hazardous locations according to 64/9/EC Directive.

Ringfeder Corporation
Westwood, NJ 07675
Jun 08, 2007 In addition to 15 existing sizes, Arcusaflex® flywheel couplings are offered in AC 4.1, 4.9, 5.1, 6.1, 6.5, 13, and 13D sizes designed specifically for larger engine applications. Sizes cover 1,770-973,580 lb-in. torque range, which corresponds to 6,500 kW at 1,000 rpm. Products are available with standard rubber as well as silicone mixture to provide heat resistance. Rubber disc element is vulcanized to choice of bolt-on sleeve or taper bushing hubs.