Linear Bearings

Mechanical Power Transmission

Optimized Bearings match customers' application needs.

June 2, 2015

Part of SKF EnCompass Field Performance Programme, SKF Bearings have been optimized to meet real-world application conditions. SKF Explorer spherical roller bearings offer 50% less seal friction, while SKF Energy Efficient deep groove ball bearings minimize frictional losses. SKF Energy Efficient Y-bearings are characterized by lower frictional moment, and SKF Explorer steel/steel plain bearings are initially lubricated and sealed to eliminate need for relubrication. Read More

Machinery & Machining Tools, Mechanical Power Transmission

Linear Drives are available with fourth rolling ring bearing.

April 16, 2014

Amacoil-Uhing Model RG3 linear drives with 3 rolling ring bearings can be fitted with 4th, adding 2 more bearing-to-shaft contact points and doubling thrust of units. Products come in range of sizes with side thrust ranging from 7-800 lb. Travel speed and direction are mechanically controlled, suiting drives for use in equipment needing reciprocating linear motion component. They also suit material handling systems, spraying assemblies, converting equipment, and metrology/inspection machines. Read More

Mechanical Power Transmission

Linear Bearings come in JIS sizes.

August 13, 2013

Available in inch, metric, and Japanese Industrial Standard sizes, Super Smart Ball Bushing® Linear Bearings feature universal self-aligning bearing plates that are forgiving of misaligned housing bores and shaft deflection, promoting uniform ball loading over entire length of bearing plate as well as optimized distribution of load between ball tracks. Bearings have coefficients of friction as low as 0.001 with steady state speeds up to 3 m/s and acceleration up to 150 m/s². Read More

Mechanical Power Transmission, Mounting & Attaching Products, Optics & Photonics

Optical Cage System allows unlimited customization.

September 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. Read More

Mechanical Power Transmission

Single Row Ball Bearing travels at speeds up to 5.5 m/s.

June 5, 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. Read More

Mechanical Components & Assemblies, Mechanical Power Transmission

Linear Roller Guides offer line contact and optimized rigidity.

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. Read More

Mechanical Power Transmission

Linear Roller Bearing withstands contaminated applications.

November 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. Read More

Material Handling & Storage, Mechanical Power Transmission

Rail/Bearing System is anti-magnetic and corrosion resistant.

April 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. Read More

Mechanical Components & Assemblies, Mechanical Power Transmission

Linear Bearings offer manually adjustable clearance.

December 2, 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. Read More

Mechanical Power Transmission

Teflon Composite Bearings feature self-aligning design.

November 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. Read More

Material Handling & Storage, Mechanical Components & Assemblies, Mechanical Power Transmission

Linear Rail System can withstand corrosive environments.

July 8, 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. Read More

Material Handling & Storage, Mechanical Power Transmission

Slide Rails and Carriages offer quiet, linear motion.

June 3, 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. Read More

Mechanical Power Transmission

Linear Bearing System minimizes mounting time.

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. Read More

Mechanical Power Transmission

Linear Bearings are designed for precision operation.

April 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. Read More

Mechanical Power Transmission

Linear Bearings are available in various styles.

January 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. Read More

Mechanical Power Transmission

Linear Ball Bearings are available in European sizes.

September 6, 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. Read More

Mechanical Power Transmission

Roller Screws aid in linear actuation.

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. Read More

Mechanical Power Transmission

Linear Ball Bearings feature pre-lubricated, sealed design.

January 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. Read More

Mechanical Power Transmission

Polymer Sliding Bearings feature maintenance-free design.

November 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. Read More

Mechanical Power Transmission

Linear Bearings are designed for extended service life.

September 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. Read More