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
Round Flanged Linear Ball Bearing with a 50mm ID and standard housing size features a heat-treated alloy steel shell for durability and a low coefficient of friction for speed. A resin retainer polymer cage ensures quiet operation. Ideal for cantilevered applications, it performs best in low-debris environments.  Temperature Range: -4/+176°F..
$158.43
Double-sized, Round Flanged Linear Ball Bearing 40mm 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..
$94.23
Square Flanged Linear Ball Bearing with a 40mm ISO Metric inner diameter, 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. Center Flange Mount and..
$190.99
Square Flanged Linear Ball Bearing, End Mount, with a 40mm ISO Metric inner diameter 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)..
$144.16
Double Linear Ball Bearing 40mm 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..
$182.92
Solid Linear Support Rail of 1000mm length, made to hold a 25mm 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..
$161.71
Linear Shaft made of 1060 Carbon Steel and of 12mm diameter, 1000mm length with RC 60 Hardness™, fused onto an aluminum alloy linear rail, designed for open bearing variants of Simplicity® self-lubricating plain linear bearings, ball bearings, or roller bearings. The linear rail segment is pre-drilled for mounting, while the..
$438.09
Linear support rail, undrilled, 36" in length and made for a 1" diameter linear shaft, sold separately. A support rail is a linear rail on top of which shafts can handle heavy loads without sagging or binding. This solid aluminum rail, made in the USA with advanced cold stamp manufacturing,..
$139.15
Fixed Heavy Duty Roller Bearing with an 88.4mm OD and an HVP3-1 welded horizontal flange plate. This is part of the Hevi-Rail linear guide system, designed to handle substantial axial and radial loads. Compatible with the Hevi-Rail Linear Rail HVR-3 U-Type or HVRI-09 I-Type, these easily mountable linear bearings are..
$300.90
Linear Shaft made of 440 Stainless Steel and of 5/8" diameter, 24" length with RC 50 Hardness™, fused onto an aluminum alloy linear rail, designed for open bearing variants of Simplicity® self-lubricating plain linear bearings and ball bearings. The linear rail segment is pre-drilled for mounting, while the shaft is..
$335.97
Linear ball bearing, closed, with a 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,..
$108.31
Linear rail, 20mm 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 CR20MCA carriage, which uses three hardened chrome steel roller bearings for precise motion. Linear Rail Only - Carriage part number CR20MCA sold..
$86.54
Linear Shaft made of 1060 Carbon Steel and of 12mm diameter, 600mm length with RC 60 Hardness™, fused onto an aluminum alloy linear rail, designed for open bearing variants of Simplicity® self-lubricating plain linear bearings, ball bearings, or roller bearings. The linear rail segment is pre-drilled for mounting, while the..
$262.85
Double-sized, Round Flanged Linear Ball Bearing 30mm 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..
$82.42
Linear Rail, 65mm wide and 250mm long, from the Redi-Rail series of linear guides, features a U-shaped aluminum alloy body with gothic arch hardened steel raceways. Designed for compact setups in automation and robotics, it includes pre-drilled mounting holes and is compatible with the RRS65 carriage. Linear Rail Only Compatible..
$60.30
Lead Screw Linear Actuator with a 16mm screw diameter, 1mm lead, and 300mm length, featuring a Round Anti-Backlash Nut and a NEMA 23 Single Stack Motor (56mm), pairing a quality screw made of stainless steel with a PTFE coating to minimize friction and prevent flaking with an innovative Anti-Backlash Nut..
$228.17
Pre-Drilled Linear Support Rail of 24" length, made for a 3/4" diameter linear shaft, sold separately. Cold Stamp manufactured from aluminum 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..
$144.78
Linear Shaft made of 1060 Carbon Steel and of 5/8" diameter, 12" length with RC 60 Hardness™, fused onto an aluminum alloy linear rail, designed for open bearing variants of Simplicity® self-lubricating plain linear bearings, ball bearings, or roller bearings. The linear rail segment is pre-drilled for mounting, while the..
$124.23
Linear Shaft of 440 Stainless Steel, 20mm 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 -..
$51.83
Linear rail and 1/2" 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 pre-drilled..
$121.56

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.