Edmund Optics    Barrington, NJ 08007
Sep 21, 2012 Consisting of precision rods and plates, TECHSPEC Cage System Linear Translation Assemblies offer alternative to complex optical alignment systems, and allow user to construct custom, adaptable opto-mechanical component systems with limitless options for modification. In addition to building customized digital fluorescence microscopes or autocollimators, system can create Michelson Interferometers, allowing for adjustment of all instrument parameters.

Bishop-Wisecarver Corporation    Pittsburg, CA 94565 0209
Jun 05, 2012 Designed for applications with specified radial loading conditions, MadeWell® Radial Wheel achieves reliable motion in environments exposed to debris, such as sawdust or grit, where traditional linear bearings fail. Available in carbon steel or stainless steel and in 3 primary sizes ranging from 0.774-1.803 in. OD, 90° vee-groove bearing works well in sliding wall panels, motorized doors and windows, heavy-duty drawers, and commercial furniture.

Advanced Machine & Engineering Co.    Rockford, IL 61103
May 13, 2010 Suited for where heavy loads must be moved in confined spaces without loss of precision or rigidity, Tschudin and Heid linear roller cages and guides allows displacement of moving parts in axial direction via use of parallel shafts and sleeves; no radial movement is possible. Rollers offer line contact with guide, enabling low pre-load at assembly to be maintained. Rollers are arranged within plastic or metallic cage in spiral fashion, spread over entire surface area of shaft and sleeve.

Thomson Industries, Inc., Linear Bearings Div.    Port Washington, NY 11050
Nov 11, 2009 Featuring all steel and iron construction, 4 in. RoundWay® RW64-V provides dynamic load capacity of 70,000 lbf at operating temperatures up to 500°F and speeds up to 100 fps. Round shaft enables bearing to rotate, eliminating potential for induced torsional stresses. In addition to concave rollers with 10 million inch L10 rated travel life, bearing features eccentric trunion pin that enables pitch self-alignment, and chain-link design for use in severely contaminated applications.

LM-76 Linear Bearings    East Longmeadow, MA 01028
Apr 29, 2009 Designed to be washed down with disinfectants or industrial cleaners, SS DEFENDER Linear Rail(TM) suits medical, pharmaceutical, and food processing applications. Rails are available in lengths of 40.94, 59.84, 81.89, and 122.83 in. or in cut to order sizes, and each 3 bearing slider unit is 3.15 in. long. Cross section of bearing and slider is only 1.02 x .866 in. Bearing rails are rolled 304 stainless with internal bearing race, and each 440C SS ball bearing roller features 2RS seals.

Igus, Inc.    East Providence, RI 02914 0349
Dec 02, 2008 Featuring turn-to-fit hand clamp, DryLin® W linear guides let users decide whether standard clearance is acceptable or if unit needs to be pre-tensioned. Tolerance can be modified over entire bearing surface by inserting provided Allen key into adjustment screw in side of carriage. Completely lubrication-free and contaminant-resistant, bearings come in hard-anodized aluminum, single- and double-rail configurations. Self-lubricating triboplastic helps carriages glide smoothly.

LM-76 Linear Bearings    East Longmeadow, MA 01028
Nov 13, 2008 Suited for applications that involve linear, rotary, and/or oscillating motion, self-lubricating Minuteman(TM) Series can be submerged; washed down with water, high-pressure steam, or chemicals; and can operate in abrasive, contaminated environments. Users can select closed or open style composite bearings in 12 sizes ranging from ¼-4 in. ID. Shafting options include solid and hollow class L 304 stainless steel, and ceramic coated aluminum shafts in lengths to 12 ft.

LM-76 Linear Bearings    East Longmeadow, MA 01028
Jul 08, 2008 Suited for medical, pharmaceutical, semiconductor, and other applications where magnetism is an issue, DEFENDER features 1-piece rolled 304 SS construction, and can take radial and axial load of 170 and 89 lb, respectively. Sliding Carriage Block body features 3 hardened, 440C rollers with 2RS seals, and eccentric center roller allows for pre-load adjustment and smooth movement without clearance. Unit has operating temperature range of -30 to 100°C.

Rino Industries Ltd.    Chesterfield S41 9RN  United Kingdom
Jun 03, 2008 Available in slide widths from 12.70-25.40 mm, linear slide rails feature extruded aluminum rail and block which is ceramic coated. Block has Teflon® composite, self-lubricating, low-friction, maintenance-free liner, and 45º load plane promotes load capacity. FDA-compliant and washdown-friendly, products are resistant to contamination, shock, and vibration. Coefficient of friction is 0.15-0.20 with 1,000 psi max, 10,000 pressure value max, and 400 surface feet/min max speed.

Rollon Corp.    Sparta, NJ 07871
May 19, 2008 Providing up to 0.004 in. linear precision, Compact Rail absorbs rotational positioning errors, misalignments between lateral planes, longitudinal parallelism errors, or combination of all of these while still maintaining system's original preload setting. Raceways are located on inside to protect them from damage and contaminants. Equipped with built-in, spring-loaded wipers in heads and lateral seals, sliders can carry up to 3,300 lb and can move up to 9 m/s.

Nordex, Inc.    Brookfield, CT 06804
Apr 17, 2008 Available in inch and metric sizes with respective bore ranges of 3/16-1 in. and 10-25 mm, Linear Precision Bearings incorporate load plates that float in outer sleeve and allow for clearance between ball elements and shaft. Load plates also compensate for any slight misalignment between shaft and housing bore. Also featured, floating integral wiper seal allows for self-alignment while maintaining equal and constant contact to shaft.

W.M. Berg, Inc.    Cudahy, WI 53110
Jan 17, 2008 Available in gear drive, flanged, no lube, and self-aligning styles, linear bearings are offered in SS, carbon steel, and chrome steel. Linear no lube bearings are molybdenum disulfide-filled nylon with shaft sizes from ¼-1¼ in. and thermoplastic self-aligning linear bearings come in open and closed styles. Products have hardened and ground outer sleeve and shaft range from 1/8-2 in.

Pacific Bearing Co.    Rockford, IL 61125
Sep 06, 2007 Simplicity® ISO Metric Linear Ball Bearings feature 1-piece polymer ball cage coupled with hardened bearing steel shell providing minimal friction. They are available in range of sizes and configurations including integrated flange, twin-length types, and pillow blocks. Available accessories include hardened and ground shafting, support blocks, and shaft support rails.

SKF USA, Inc.    Lansdale, PA 19446
May 16, 2007 Planetary and Recirculating SKF® roller screws can sustain static loads up to 1,000 tons and dynamic loads up to 200 tons. Planetary Roller Screws feature long lead and symmetrical nut design to permit high linear speeds. Recirculating roller screws utilize lead threads as small as 1 mm for precise positioning. All Roller Screws are available in multiple styles, diameters, leads, surface treatments, lubrication, and shaft types.

SKF Linear Motion & Precision Technologies    Lansdale, PA 19446
Jan 29, 2007 Available in compact and standard metric versions, Linear Ball Bearings are fitted with integral double-lip seals to retain lubricant and protect against contamination. Inner lip prevents lubricant from escaping within bearing, while external lip wipes shaft surface as bearing moves. Plastic cages carry hardened steel raceway segments and guide ball sets. Shaft diameters range from 3-80 mm and dynamic load ratings range from 60-37,500 N, depending on size and type.

Ondrives Ltd.    Chesterfield, Derbyshire S41 9RN  United Kingdom
Nov 30, 2006 Supplied in complete housings, Drylin® linear bearings eliminate need to connect 2 or more complex components via aluminum adapter. Designed with bearing clearance of 2/100-9/100, housings correspond to conventional housings in terms of external and connection dimensions and can be directly interchanged. Both closed and open configurations are available.

Quality Bearings & Components    New Hyde Park, NY 11042
Sep 22, 2006 Conforming to AISI 52100 standards and hardened to HRc 60-64, steel Linear Ball Bearings are available in adjustable, open or closed, and standard or heavy-duty types. Bore sizes range from .375-1.500 in. diameter. Number of ball circuits in each unit can range from 4-8, and unit lengths range from .875-3 in.

Quality Bearings & Components    New Hyde Park, NY 11042
Sep 22, 2006 With self-lubricated design that promotes service life, series of 148 Frelon®-lined linear bearings tolerates up to 1,500 psi over load-carrying portion of bearing. These anodized aluminum bearings come in open and closed models with precision and standard tolerances. Wear rates are affected by surface finish, shaft hardness, length of travel, contamination, and lubrication. Offered in inch and metric sizes, bearings fit shafts from 3/16-4 in. or 5-80 mm dia.

LM-76 Linear Bearings    East Longmeadow, MA 01028
Aug 08, 2006 Available in 11 sizes, MAX RAIL Combined Bearings feature maximum dynamic load ratings from 5,395-41,150 lbf radial and 2,248-18,434 lbf axial. Bearing rails are available in lengths to 19.7 ft. Protected from contaminants by steel labyrinth and rubber seals, bearings are supplied lubricated with grade 3 grease. Operating temperature range of 14-176°F allows use in extreme conditions of shipyards, steel and paper mills, and mines.

LM-76 Linear Bearings    East Longmeadow, MA 01028
Jul 25, 2006 Able to move up to 41,000 lb, MAX RAIL Combined Bearings feature integrated 2 axis bearings, bearing flange plates, rails, and rail clamps. Available in 11 sizes with dynamic load ratings of 5,395-41,140 lbf radial and 2,248-18,434 lbf axial, bearing rails are offered in lengths to 19.7 ft. Protected from contaminates by steel labyrinth and rubber seals, bearings are supplied lubricated with grade 3 grease. Operating temperature range is 14-176°F.