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
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3223 products
Die set plain linear bearing, aluminum shelled, with an 80mm inner diameter 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..
$469.31
Linear Shaft of hardened carbon steel, 20mm diameter, 600mm 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..
$42.97
Linear support rail and 5/8" diameter shaft, 36" in length, made from a single piece of feather-weight ceramic-coated aluminum. This one-piece gliding surface assembly is designed for self-lubricating Simplicity® linear bearings with FrelonGOLD® liners, which perform exceptionally in extreme conditions like dirt, heat, and vibration. The linear rail segment is..
$196.13
Ceramic Coated Aluminum Linear Shaft with a 5/8" diameter and 36" length, fused onto an Aluminum Alloy Linear Rail. The shaft is featherweight yet strong, boasting RC70 hardness, superior corrosion resistance, non-magnetic properties, vibration resistance, and immunity to splatter, paints, and contaminants. Use open bearing variants of Simplicity® self-lubricating plain..
$317.85
Linear Shaft of 440 Stainless Steel with a 5/8" diameter and 36" length, featuring an optimized surface finish for self-lubricating Simplicity® plain linear bearings and linear ball bearings. Made in the USA by PBC Linear® as RC 50 Plus™ hardened stainless steel, the shaft is not drilled nor tapped, but..
$134.80
Ceramic Coated Aluminum Linear Shaft with a 1.25" diameter and 12" length, fused onto an Aluminum Alloy Linear Rail. The shaft is feather-weight yet strong, boasting RC70 hardness, superior corrosion resistance, non-magnetic properties, vibration resistance, and immunity to splatter, paints, and contaminants. Use open bearing variants of Simplicity® self-lubricating plain..
$167.12
Double linear ball bearing, closed, with a 1.5" inner diameter (ID). The twin-size format equals two standard linear ball bearings mounted back-to-back for added stability. Its ball bearing design provides a low coefficient of friction and offers an advantage in cantilevered applications where plain bearings may be limited by the..
$136.58
1 Inch Diameter Carbon steel linear shaft, precision case hardened and ground, fused to a low profile AISI C-1018 Steel Linear Support Rail. This Low Profile Linear Support Rail Assembly (LSRA) is 40% lower than regular assemblies. Length: 12" Not Drilled If standard mounting holes are required on the support..
$94.82
Square Flanged Linear Ball Bearing 40mm ID JIS Metric and standard sized, featuring an end-mounted flange, a heat-treated alloy steel shell for durability and double seals for enhanced protection. Boasts a low coefficient of friction for speed and a resin retainer polymer cage for reduced noise. Excels in cantilevered applications,..
$90.47
Round Flanged Linear Ball Bearing with a 40mm ID JIS Metric and standard width, featuring an end-mounted flange, a heat-treated alloy steel shell for durability and double seals for enhanced protection. Boasts a low coefficient of friction for speed and a resin retainer polymer cage for reduced noise. Excels in..
$90.21
Linear ball bearing, double-sized and closed, with a 40mm ID JIS Metric, featuring a double wide heat-treated alloy steel shell for greater durability and higher load capacity under cantilevered conditions. Double seals add protection, a low coefficient of friction enables higher speeds, and a resin retainer polymer cage reduces noise...
$136.42
Square Flanged Linear Ball Bearing with a 40mm ID (inner diameter) and standard size with an end mount. Features a heat treated allow steel shell for durability, low coefficient of friction for speed and resin retainer for quiet motion. ISO Metric Series - Closed shell for end-supported shafts Handles cantilevered..
$90.60
Double linear ball bearing, closed, with a 40mm ID (inner diameter). Featuring a heat-treated alloy steel shell for durability, a resin retainer polymer cage for reduced noise and a low coefficient of friction for speed. Handles cantilevered loads better than plain bearings, overcoming the 2:1 binding ratio limitation of plain..
$136.94
Linear Shaft made of 1060 Carbon Steel with a 3/4" diameter and 24" length, rated Class L for Precision Tolerance and Standards Compliance. Made in the USA by PBC Linear® as RC 60 Plus case-hardened steel, the shaft is not drilled nor tapped, but you can click "Configure & Quote"..
$39.39
Lead screw linear actuator featuring a NEMA 17 motor with two 500mm long hardened, ceramic-coated rails and an anodized aluminum carriage underlined with self-lubricating maintenance-free FrelonGold® to create a smooth Gliding Surface Technology™ (GST) effect that can easily withstand hot, dirty, or high vibration conditions.  Lead screw has an Anti-Backlash™..
$902.29
Low Profile Steel Linear Support Rail for Shafts of 2" 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: 2" Consult Configuration CAD..
$53.28
Linear support rail and 3/4" diameter shaft, 24" in length, made from a single piece of feather-weight ceramic-coated aluminum. This one-piece gliding surface assembly is designed for self-lubricating Simplicity® linear bearings with FrelonGOLD® liners, which perform exceptionally in extreme conditions like dirt, heat, and vibration. The linear rail segment is..
$149.49
Solid Linear Shaft of Ceramic Coated Aluminum, 25mm diameter, 1000mm length. This feather-weight yet strong shaft boasts RC70 hardness, superior corrosion resistance, non-magnetic properties, vibration resistance, and immunity to weld splatter, paints, and contaminants. It’s crafted exclusively for plain bearings like Simplicity® self-lubricating linear bearings, not for linear ball bearings..
$66.91
Lead screw linear actuator featuring a blank motor plate with 500mm long hardened, ceramic-coated rails and an anodized aluminum carriage underlined with self-lubricating maintenance-free FrelonGold® to create a smooth Gliding Surface Technology™ (GST) effect that can easily withstand hot, dirty, or high vibration conditions.  Lead screw has an Anti-Backlash™ nut..
$808.69
Adjustable linear ball bearing, closed, with a 2" inner diameter (ID). The adjustable split shell design lets users fine-tune fit and running clearance for smooth, accurate linear motion with a low coefficient of friction. Its ball bearing design offers an advantage in cantilevered applications where plain bearings may be limited..
$274.62

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.