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
Plain linear bearing, closed, with a 3/4" compensated ID, which has a 0.0015" per side running clearance. Housed in an anodized aluminum shell and lined with self-lubricating FrelonGOLD®, this bearing ensures maintenance-free performance in harsh conditions, including extreme temperatures, dirt, and vibration. Inch Series - Closed Anodized aluminum shell Compensated..
$21.00
Plain linear bearing, closed, with a 3/8" compensated ID, which has a 0.0015" per side running clearance. Housed in an anodized aluminum shell and lined with self-lubricating FrelonGOLD®, this bearing ensures maintenance-free performance in harsh conditions, including extreme temperatures, dirt, and vibration. Inch Series - Closed Anodized aluminum shell Compensated..
$17.71
Double Roller Bearing Pillow Block (DPB) for a 1" diameter linear shaft features two sets of 3 opposing roller bearings while maintaining the standard size open bearing style profile of a Single Roller Pillow Block (SPB). In contrast, a Twin Roller Pillow Block (TWN) also has two sets of 3..
$294.09
3D printer extruders are mechanical devices that feed, control, and deposit filament or printing material, making them critical to print speed, accuracy, and reliability. The HFA — High Flow Air Cooled — extruder delivers the industry’s highest performance and highest speed, which is why it comes standard on the 300..
$1,659.97
Steel Linear Rail of 72" length with a black powder coat finish for hardened crown roller linear guides. The coating adds extra environmental protection. PAC2245 unpainted rails are also available. All rails are available in lengths 12", 24", 48" and 72". For a complete functional system, pair with these components..
$148.31
Linear rail, 45mm wide and 2500mm long, with a U-shaped roll-formed steel profile and zinc plating for corrosion resistance, from the cost-effective Commercial Rail series. Compatible with the CR45MCA carriage, which uses three hardened chrome steel roller bearings for precise motion. Linear Rail Only - Carriage part number CR45MCA sold..
$172.05
Linear Shaft of 440 Stainless Steel with a 1" diameter and 12" 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. You..
$66.66
Square Linear Bearing with a 1.5" diameter, 6" length and 4 adjustable Frelon®J self-lubricating plugs on each of 4 sides, designed for smooth, corrosion-resistant sliding along a single stainless steel square shaft. The plugs ensure low maintenance and durability in harsh environments, including high heat, vibration, dirt, or corrosive chemicals...
$228.40
Miniature Linear Guide with a 20mm base width and 250mm length with a ceramic coated aluminum linear rail and anodized aluminum carriage with a Precision Running Clearance. Leverages self-lubricating Simplicity® sliding bearing technology with FrelonGold® liner under the carriage.   Number of Carriages: 1 (for more click on Configurations CAD &..
$94.69
Low Profile Linear Slide Guide with a 27mm width, 100mm 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..
$16.31
Linear ball bearing, closed, with a 1/2" inner diameter (ID). Its ball bearing design provides high speed linear motion with a low coefficient of friction and offers an advantage in cantilevered applications where plain bearings may be limited by the 2:1 binding rule. The heat-treated alloy steel shell provides durability,..
$14.42
Steel V-Wheel, 45mm diameter (Size 3) and permanently sealed and lubricated. V-Guide wheels are precision-ground, dual-row angular contact roller bearings with hardened outer surfaces, offering low-friction guidance for linear motion applications. They can be used with internal or external 90-degree rails, as well as round shafts. Size 3 = 45mm..
$44.26
Steel V-Wheel, 20mm outer diameter (Size 1). V-Guide wheels are precision-ground, dual-row angular contact roller bearings with hardened outer surfaces, offering low-friction guidance for linear motion applications. They can be used with internal or external 90-degree rails, as well as round shafts. Size 1 = 20mm diameter Matches VR1, VRD1,..
$27.09
Square Flanged Plain Linear Bearing, standard sized, with a 1/2" compensated ID, and featuring a self-lubricating FrelonGOLD® bearing liner that operates effectively in harsh conditions, providing oil-free operation.  Compensated running clearance on the inner diameter 0.0015” per side Spherical 'Self-aligning' I.D. in the housing. Self-aligning housing Standard Width Square Flange..
$70.41
Stainless steel linear guide carriage for 65mm wide Redi-Rail RR65 linear rails with 3 double row, sealed, stainless steel roller bearings that can be adjusted for pre-load from a hole in the side.  Carriage only 3 Double Row Roller Bearings made of Stainless Steel Adjustable Preloaded Rollers Compatible with rail..
$336.79
Steel linear guide carriage for 30mm wide Redi-Rail RR30 linear rails with 4 double row, sealed, carbon steel roller bearings that can be adjusted for pre-load from a hole in the side.  Carriage only 4 Double Row Roller Bearings made of Carbon Steel Adjustable Preloaded Rollers Compatible with rail part..
$171.67
Twin Sized Closed 1" ID Plain Linear Bearing Pillow Block made of aluminum alloy with holes for mounting and featuring a precision cut Simplicity® plain bearing with an anodized aluminum shell and the renowned self-lubricating FrelonGOLD® bearing liner for maintenance-free operation, low friction, and durability in extreme conditions like high..
$183.36
Sleeve Bearing, round flanged with a 1.5" inner diameter, 2" length, round flange and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating bearing liner is FrelonGold®, ensuring durable performance in extreme (such as hot or dirty) environments without catastrophic..
$73.30
Linear Sleeve Bearing with a 1/4" inner diameter, 3/8" length and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating FrelonGold® bearing liner guarantees performance in extreme environments, including heat, dirt, and oscillation, eliminating the risk of catastrophic failure. Temperature..
$10.70
Open Plain Linear Bearing Pillow Block with a 1 inch inner diameter and a precision running clearance of 0.0005" per side. A mountable standard-sized aluminum housing encloses the bearing, which features a self-lubricating FrelonGOLD® liner for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. Optional liners: corrosive..
$110.92
3223 products

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.