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
Pre-Drilled Linear Support Rail of 36" 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 shell linear bearings on shafts fused with these support rails. Linear Support Rail only - Shafts sold separately..
$217.18
Linear support rail, undrilled, 36" in length and made for a 3/4" 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,..
$115.86
Lead Screw Linear Actuator 400mm long with a NEMA 23 Motor, Round Anti-Backlash Nut, 16mm screw diameter, 5mm lead size, and the screw is made from precision-rolled 300 Series Stainless Steel and coated with PTFE to prevent flaking and reduce friction. The Round Constant Force™ Anti-Backlash nut uses a spring..
$257.70
Pre-Drilled Linear Support Rail of 900mm length, made for a 20mm 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..
$287.26
Solid Linear Support Rail of 900mm length, made to hold a 20mm 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..
$123.51
Belt-driven linear actuator with a NEMA 23 motor mount, a 200mm length of V-rail and a carriage equipped with stainless steel sealed V-wheels. This part of the SIMO UG Tall Profile Series includes a NEMA 23 motor mount. The SIMO process involves machining aluminum extrusions with synchronized cutters in one..
$1,232.54
Belt-driven linear actuator with a 204mm body length, 42mm x 42mm base profile, and one carriage guided by a single recirculating ball profile rail with two runner blocks. This MTB Series actuator uses a steel-reinforced timing belt with adjustable tensioning and a 12mm left male drive shaft for motor or..
$1,438.32
Lead Screw Linear Actuator 500mm long with a NEMA 23 Motor Single Stack (56mm), Round Anti-Backlash Nut, 16mm screw diameter, 5mm lead size, and the screw is made from precision-rolled 300 Series Stainless Steel and coated with PTFE to prevent flaking and reduce friction. The Round Constant Force™ Anti-Backlash nut..
$266.49
Linear Shaft made of 440 Stainless Steel and of 20mm diameter, 300mm length with RC 50 Hardness™, fused onto an aluminum alloy linear rail, designed for open bearing variants of Simplicity® self-lubricating plain linear bearings or ball bearings. The linear rail segment is pre-drilled for mounting, while the shaft is..
$200.28
Linear Shaft made of 1060 Carbon Steel and of 20mm diameter, 300mm 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..
$171.46
Linear Shaft of 440 Stainless Steel, 25mm 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 -..
$72.74
Pre-Drilled Linear Support Rail of 24" length, made for a 1" diameter linear shaft, sold separately. Cold Stamp manufactured from aluminum in the PBC Linear® factory in Roscoe, IL USA. Use open shell linear bearings on shafts fused with these support rails. Linear Support Rail only - Shafts sold separately..
$169.61
Linear support rail, undrilled, 24" 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,..
$92.77
Solid Linear Shaft of Ceramic Coated Aluminum, 30mm diameter, 600mm 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..
$53.53
Pre-Drilled Linear Support Rail for a 25mm diameter linear shaft of 600mm length, sold separately. Cold Stamp manufactured from aluminum in the PBC Linear® factory in Roscoe, IL USA. Use open shell linear bearings on shafts fused with these support rails. Linear Support Rail only - Shafts sold separately Pre-Drilled..
$220.69
Solid Linear Support Rail of 600mm length, made for 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 Pre-Drilled..
$97.03
5/8 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: 24" Not Drilled If standard mounting holes are required on the support..
$161.28
16mm 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: 600mm Not Drilled If standard mounting holes are required on the support rail,..
$141.94
Adjustable linear ball bearing with a 50mm ID JIS Metric, featuring a flexible slit along the side that provides adaptability for imperfect or worn shafts. A standard-sized heat-treated alloy steel shell enhances durability and load capacity, especially in cantilevered applications. Double seals add protection, a low coefficient of friction enables higher..
$125.80
Linear ball bearing, closed shell, with a 50mm 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..
$102.93

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.