Simplicity Plain Linear Bearing

Plain Linear Bearings, Sleeve Bushings, Pillow Blocks and Flange Mounts

Simplicity® Plain Linear Bearing variants, including standalone bearings, sleeve bushings, flange mounts and pillow blocks, featuring the self-lubricating FrelonGOLD® PTFE-based liner, which minimizes friction and wear, eliminates external lubrication needs, and outperforms in harsh, hot, or dirty environments. The stand-alone variants have straight or crowned anodized aluminum shells (open or closed), or you can choose from straight or flanged sleeve bearings, or choose bearings inside standard-sized or double-sized pillow blocks (open or closed), or inside standard or double-sized aluminum flanged mounts. Optional Frelon® J liners provide resistance to corrosive chemicals, while Frelon® W liners ensure FDA compliance. All variants support rotary, linear, or oscillating motion, with precision or compensated running clearances. Offered in Inch, ISO Metric, or JIS Metric ID series, they deliver maintenance-free performance across a wide temperature range. The 2:1 binding rule applies.

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Plain Linear Bearings, Sleeve Bushings, Pillow Blocks and Flange Mounts

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Open Plain Linear Bearing Pillow Block with a 40mm ISO Metric inner diameter and a compensated running clearance of 0.0015" per side. A mountable standard aluminum housing encloses the bearing, which features a self-lubricating, maintenance-free liner made from FrelonGOLD® for enhanced performance in harsh conditions such as extreme temperatures, dirt..
$268.24
Open Plain Linear Bearing Pillow Block with a 16mm ISO Metric inner diameter and a precision running clearance of 0.0005" per side. A mountable standard aluminum housing encloses the bearing, which features a self-lubricating liner made from FrelonGOLD® for maintenance-free performance in harsh conditions such as extreme temperatures, dirt and..
$112.16
Closed Plain Linear Bearing Pillow Block with a 1.25" inner diameter and a compensated running clearance of 0.0015" 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 chemical..
$137.45
Closed Plain Linear Bearing Pillow Block with a 1.25" inner diameter and a precision running clearance of 0.0005" per side. A mountable standard-sized aluminum housing encloses the bearing, which features the renowned self-lubricating liner made from FrelonGOLD® for maintenance-free performance under harsh conditions such as extreme temperatures, dirt and vibration...
$137.45
Closed Plain Linear Bearing Pillow Block with a 3/4" 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 chemical..
$63.71
Thin Wall Plain Linear Bearing with a precision 25mm ID (inner diameter), featuring a self-lubricating FrelonGOLD® liner for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration.  Closed - ISO Metric Only Precision running clearance 0.0005" per side Anodized aluminum outer shell - Straight outer diameter Designed for..
$34.96
Open plain linear bearing with a 10mm ISO Metric precision ID (inner diameter) with a running clearance of 0.0005" per side, featuring a self-lubricating FrelonGOLD® liner for maintenance-free operation in harsh conditions including extreme temperatures, dirt and vibration. ISO Metric - Open anodized aluminum shell Precision running clearance of 0.0005" per..
$21.95
Open plain linear bearing with a 25mm ISO Metric ID (inner diameter) with a compensated running clearance of 0.0015" per side. Self-Lubricating Bearing Liner is FrelonGOLD®. ISO Metric Series - Open Anodized aluminum shell (optional stainless steel) Compensated running clearance of 0.0015" per side Self-Lubricating Bearing Liner: FrelonGOLD® is standard...
$49.07
Plain linear bearing, closed, with an 80mm precision ID (inner diameter) that provides a running clearance of 0.0005" per side. Lined with self-lubricating FrelonGOLD® for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. ISO Metric Series - Closed Straight outer diameter (crowned ODs available via the FMA..
$353.77
Crowned plain linear bearing, closed, with a 5mm precision ID (inner diameter) that provides a running clearance of 0.0005" per side. Lined with self-lubricating FrelonGOLD® for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. Crowned self-aligning outer diameter. ISO Metric Series - Closed Crowned outer diameter -..
$19.17
Open plain linear bearing with a 3/4" precision ID, which has a 0.0005" per side running clearance. Encased 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 - Open anodized aluminum shell Precision..
$28.75
Plain linear bearing, open, with a 2" compensated ID, which has a 0.0015" per side running clearance. Housed in an anodized aluminum shell and lined with the renowned self-lubricating FrelonGOLD® liner, this bearing ensures maintenance-free performance in harsh conditions, including extreme temperatures, dirt, and vibration. Inch Series - Open anodized..
$163.00
Plain linear bearing, open, with a 1" compensated ID, which has a 0.0015" per side running clearance. Housed in an anodized aluminum shell and lined with the renowned self-lubricating FrelonGOLD® liner, this bearing ensures maintenance-free performance in harsh conditions, including extreme temperatures, dirt, and vibration. Inch Series - Open anodized..
$49.07
Plain linear bearing, closed, with a 2" 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..
$130.84
Plain linear bearing, closed, with a 3/16" 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..
$15.98
Closed plain linear bearing with a 2.5" precision ID, which has a 0.0005" per side running clearance. Encased 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; where ball bearings often fail. Inch Series Closed..
$221.11
Closed Plain Linear Bearing with a 3/16 inch precision ID, featuring an anodized aluminum shell and a self-lubricating FrelonGOLD® liner that excels in harsh, dirty, shock-loaded, or high-temperature environments (-400°F to +400°F), outperforming ball bearings where they typically fail. This liner ensures maintenance-free operation and vibration damping for smooth, quiet..
$15.98
Closed self-lubricating plain linear bearing with a 6mm JIS Metric ID and a compensated running clearance of 0.0015" per side. It features a self-lubricating FrelonGOLD® liner for excellent wear resistance, vibration dampening, and reduced friction in harsh and/or high temperature conditions. The green anodized aluminum shell with a straight outer..
$15.98
Crowned, closed, self-aligning plain linear bearing with an 8mm JIS Metric inner diameter and a precision running clearance of 0.0005" per side. Made with a self-lubricating FrelonGOLD® liner, it offers excellent wear resistance and vibration dampening, ensuring smooth operation without extra lubrication. The anodized aluminum shell is both lightweight and..
$20.94
Square Linear Shaft of 1" diameter and a length of 36", made of 304 stainless steel, known for high corrosion resistance. Buffed and polished to provide an excellent running surface for self-lubricating Frelon®J lined square bearing plugs and pads. Part Number PST16-036-000 Bearing Type Stainless Steel Square Shafting Diameter 1"..
$98.57
844 products

Plain Linear Bearings, Sleeve Bushings, Pillow Blocks and Flange Mounts

844 products

Simplicity® Plain Linear Bearing variants, including standalone bearings, sleeve bushings, flange mounts and pillow blocks, featuring the self-lubricating FrelonGOLD® PTFE-based liner, which minimizes friction and wear, eliminates external lubrication needs, and outperforms in harsh, hot, or dirty environments. The stand-alone variants have straight or crowned anodized aluminum shells (open or closed), or you can choose from straight or flanged sleeve bearings, or choose bearings inside standard-sized or double-sized pillow blocks (open or closed), or inside standard or double-sized aluminum flanged mounts. Optional Frelon® J liners provide resistance to corrosive chemicals, while Frelon® W liners ensure FDA compliance. All variants support rotary, linear, or oscillating motion, with precision or compensated running clearances. Offered in Inch, ISO Metric, or JIS Metric ID series, they deliver maintenance-free performance across a wide temperature range. The 2:1 binding rule applies.


  • Sizing Options: Inch, metric, and JIS sizes available
  • Available in open, closed and thin-wall styles
  • ID Sizes: Available from 3/16” to 4” Inch Series, 5mm to 80mm Metric Series
  • Shaft Lengths: Up to 12 feet
  • Shell Material: Standard is aluminum; stainless steel shells are available
  • Maximum Speed: Up to 8 m/s (315 in/s)
  • Temperature Rating: -400°F to +400°F or -240°C to 204°C
  • Maximum Horizontal Static Load: 2,165 to 100,500 lb (982 to 45,586 kg)
  • Seal Options: Nitrile rubber, urethane, and viton seals available from ½” ID and up or 20mm and up
  • Mounting Options: O-ring and retaining ring grooves for multiple mounting options
  • External Lubrication: Optional feature for added lubrication
  • Vibration Damping: Ensures smooth and quiet operation

View our full Plain Linear Bearing Product Features page