Linear Bearings - Self Lubricating Plain

US Manufacturer of Linear Bearings, Linear Actuators, Shafts, Rails & Guides

PBC Linear is a major US manufacturer of linear motion products, including linear bearings, linear actuators, shafting, rails, guides, and precision motion assemblies, with expedited delivery available from our advanced manufacturing facility near Rockford, Illinois. Since 1983, we have grown from pioneering self-lubricating plain bearing technology into a full-line linear motion supplier serving US industry in automation, packaging, medical, food processing, transportation, defense, and heavy industrial applications.

Our 200,000-square-foot facility combines engineering support, automated production, and state-of-the-art CNC machining to deliver consistent quality, fast lead times, and cost-effective linear motion solutions. With more than 15 pending patents supporting ongoing product innovation, PBC Linear continues to develop technologies that reduce maintenance, improve reliability, and help customers solve demanding motion challenges. From standard components to configured actuator systems and custom-engineered assemblies, we provide the products and application expertise needed to keep machines moving smoothly.

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America’s top supplier of self-lubricating plain linear bearings, shafts, rails, guides, axial bearings, V-wheel systems, pillow blocks, ball bearings, slew ring bearings, lead screw actuators, ball screw actuators, and belt-driven actuators. All products are made at our Roscoe, Illinois factory, 90 miles west of Chicago, ensuring fast, reliable delivery with a quality guarantee.

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3223 products
Solid Linear Support Rail of 360mm length, made to hold a 12mm diameter linear shaft that uses open style bearings. Crafted of cold stamped aluminum, this rail is undrilled but matching pre-drilled variants have PD part numbers. Shafts are sold separately. Not Drilled - Choose the PD part numbers for..
$37.81
Low Profile Steel Linear Support Rail for Shafts of 3/4" Diameter. Linear rail length is 36" Linear Support Rail Length: 36" Low Profile: 40% lower than other support rails AISI C-1018 Carbon Steel (0.18% carbon w/ high strength and ductility) Supports a Linear Shaft of Diameter: 3/4" Consult Configuration CAD..
$56.63
Linear ball bearing, open shelled, with a 35mm ID JIS Metric, featuring a standard-sized heat-treated alloy steel shell that enhances durability and load capacity. Recommended over plain bearings in cantilevered applications as the 2:1 binding rule does not apply. Double seals add protection, a low coefficient of friction enables higher..
$68.88
Closed plain linear bearing with a JIS Metric 38mm ID, compensated with 0.0015" running clearance per side. Its green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping.  Meets JIS metric tolerance standards for precision and compatibility Optional Frelon® J or W..
$80.86
Plain linear bearing, self-aligning, closed, with a 38mm JIS compensated ID that provides a 0.0015" running clearance per side on matching round shafts. Sized to Japanese Industrial Standards (JIS), it is encased in a crowned-OD cylindrical green-anodized aluminum shell that allows the bearing to pivot slightly within its housing to..
$104.31
Lead Screw Linear Actuator 200mm long with a NEMA 14 Motor, RoundAnti-Backlash Nut, 10mm screw diameter, 5mm lead, and the screw is made from precision-rolled 300 Series Stainless Steel and coated with PTFE to prevent flaking and reduce friction. The Triangle Constant Force™ Anti-Backlash nut uses a spring to maintain..
$198.07
Double Linear Ball Bearing 20mm ID JIS Metric Square-Flanged, Center Mount equipped with a long heat-treated alloy steel shell for durability and double seals for added protection. With a low coefficient of friction for speed and a resin retainer polymer cage for reduced noise, this enhanced sized linear ball bearing..
$32.92
Linear Ball Bearing, Square Flanged and Double Sized, 20mm ID JIS Metric, with the flange mount at the end. Equipped with a long heat-treated alloy steel shell for durability and double seals for added protection. With a low coefficient of friction for speed and a resin retainer polymer cage for..
$37.87
Double-sized, Round Flanged Linear Ball Bearing 20mm ID JIS Metric, center mount, with a long heat-treated alloy steel shell for durability and double seals for added protection. With a low coefficient of friction for speed and a resin retainer polymer cage for reduced noise, this enhanced sized linear ball bearing..
$32.78
Linear Ball Bearing, Round End Flange, Double Sized, 20mm ID JIS Metric, equipped with a long heat-treated alloy steel shell for durability and double seals for added protection. With a low coefficient of friction for speed and a resin retainer polymer cage for reduced noise, this enhanced sized linear ball..
$38.58
Square Flanged Linear Ball Bearing with a 20mm ID, center mount and double wide design for higher cantilevered load capacity. The heat-treated alloy steel shell ensures durability, while the resin retainer polymer cage minimizes noise and the low coefficient of friction enhances speed. Temperature Range: -4/+176°F (-20/+80°C) Center Flange Mount..
$64.35
Square Flanged Linear Ball Bearing, End Mount with a 20mm ID and double wide design for higher cantilevered load capacity. The heat-treated alloy steel shell ensures durability, while the resin retainer polymer cage minimizes noise and the low coefficient of friction enhances speed. Temperature Range: -4/+176°F (-20/+80°C) End Flange Mount..
$53.97
Double Linear Ball Bearing 20mm ID Round-Flanged Center Mount featuring a heat-treated alloy steel shell for durability. With a low coefficient of friction and a resin retainer polymer cage, this enhanced sized linear ball bearing ensures smooth, quiet, high-speed operation and it has an advantage in cantilevered applications over plain..
$63.03
Double Linear Ball Bearing 20mm ID Round-Flanged End Mount featuring a heat-treated alloy steel shell for durability. With a low coefficient of friction and a resin retainer polymer cage, this enhanced sized linear ball bearing ensures smooth, quiet, high-speed operation and it has an advantage in cantilevered applications over plain..
$54.81
Linear Shaft of 440 Stainless Steel, 12mm diameter, 300mm length, made in the USA by PBC Linear®, featuring RC 50 Plus™ hardness and an optimized surface finish that enhances the performance of linear bearings such as self-lubricating plain bearings and ball bearings. Solid, not pre-drilled. Neither drilled nor tapped -..
$36.09
Linear Shaft of hardened carbon steel, 12mm diameter, 300mm length, made in the USA by PBC Linear® as Simplicity® 60 Plus steel. Featuring an optimized surface finish that enhances the performance of linear bearings such as self-lubricating plain bearings, ball bearings, roller bearing pillow blocks, and guide carriages. Solid, not..
$10.56
Linear Rail with stainless steel raceways, 12" long and 34mm (1.34") wide, from the Redi-Rail series of linear guides. Features a U-shaped aluminum alloy body with gothic archways for the corrosion-resistant raceways which are compatible with the RRS14PW carriage and its stainless steel rollers. Designed for compact setups in automation..
$68.61
Die set plain linear bearing with an aluminum shell, a 32mm and a compensated running clearance of 0.0015″ per side in a closed, standard-width design. Features a round flange and self-lubricating FrelonGOLD® liner as standard, which provides optimal performance in extreme conditions such as dirt, heat and vibration. An optional..
$107.96
Low Profile Linear Slide Guide with a 27mm width, 750mm length and 12mm height, featuring anodized aluminum linear rails and molded polymer slider carriages with stainless steel threaded inserts, ensuring durability and resistance to contaminants, dyes, and weak acids. These miniature linear guides have a high load capacity, supporting up..
$77.77
Pre-Drilled Aluminum Linear Support Rail of 12" length, made for a 1/2" diameter linear shaft, sold separately. Cold Stamp manufactured in the PBC Linear® factory in Roscoe, IL USA. Use Open Linear Bearings on shafts fused with these support rails. Linear Support Rail only - Shafts sold separately Pre-Drilled according..
$54.73

All Products

3223 products

US Manufacturer of Linear Bearings, Linear Actuators, Shafts, Rails & Guides

PBC Linear is a major US manufacturer of linear motion products, including linear bearings, linear actuators, shafting, rails, guides, and precision motion assemblies, with expedited delivery available from our advanced manufacturing facility near Rockford, Illinois. Since 1983, we have grown from pioneering self-lubricating plain bearing technology into a full-line linear motion supplier serving US industry in automation, packaging, medical, food processing, transportation, defense, and heavy industrial applications.

Our 200,000-square-foot facility combines engineering support, automated production, and state-of-the-art CNC machining to deliver consistent quality, fast lead times, and cost-effective linear motion solutions. With more than 15 pending patents supporting ongoing product innovation, PBC Linear continues to develop technologies that reduce maintenance, improve reliability, and help customers solve demanding motion challenges. From standard components to configured actuator systems and custom-engineered assemblies, we provide the products and application expertise needed to keep machines moving smoothly.