Simplicity Plain Linear Bearing

Simplicity Plain Linear Bearings

Plain Linear Bearings from PBC Linear®, 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. Available as stand-alone regular linear bearings with straight or crowned anodized aluminum shells (open or closed), as straight or flanged sleeve bearings, inside standard-sized or double-sized pillow blocks (open or closed), or as standard or double-sized flanged variants. Optional Frelon® J liners provide resistance to corrosive chemicals, while Frelon® W liners ensure FDA compliance. These bearings 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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Simplicity Plain Linear Bearings

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844 products
Twin plain linear bearing pillow block with a closed 3/8" compensated ID bearing inside a mountable aluminum alloy housing. The bearing has an anodized aluminum shell and is lined with self-lubricating FrelonGOLD®, ensuring maintenance-free operation, low friction, and durability in extreme conditions like high temperatures, dirt, and vibration. The twin..
$97.81
Twin Plain Linear Bearing Pillow Block 1/4" ID, closed, precision cut, featuring a a Simplicity® plain bearing with the renowned self-lubricating FrelonGOLD® bearing liner for maintenance-free operation, low friction, and durability in extreme conditions like high temperatures, dirt, and vibration.  Twin design is like placing two blocks end to end..
$93.67
Open Plain Linear Bearing Pillow Block with a 2" 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..
$313.08
Open Plain Linear Bearing Pillow Block with a 2" 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..
$313.08
Open 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..
$166.22
Open Plain Linear Bearing Pillow Block with a 5/8" 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..
$73.20
Open Plain Linear Bearing Pillow Block with a 25mm ISO Metric 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:..
$147.01
Open Plain Linear Bearing Pillow Block with a 30mm ISO Metric 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:..
$188.93
Open Plain Linear Bearing Pillow Block with a 50mm ISO Metric 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:..
$360.37
Open Plain Linear Bearing Pillow Block with a 40mm ISO Metric 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:..
$268.24
Open Plain Linear Bearing Pillow Block with a 50mm 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..
$360.37
Open Plain Linear Bearing Pillow Block with an 8mm 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 liner made from FrelonGOLD® for maintenance-free performance in harsh conditions such as extreme temperatures, dirt and..
$112.16
Open Plain Linear Bearing Pillow Block with a 20mm 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 liner made from FrelonGOLD® for maintenance-free performance in harsh conditions such as extreme temperatures, dirt and..
$123.64
Open Plain Linear Bearing Pillow Block with a 20mm 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..
$123.64
Open Plain Linear Bearing Pillow Block with a 12mm 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..
$100.68
Open Plain Linear Bearing Pillow Block with a 12mm 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 liner made from FrelonGOLD® for maintenance-free performance in harsh conditions such as extreme temperatures, dirt and..
$100.68
Closed Plain Linear Bearing Pillow Block with a 50mm 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..
$331.07
Closed Plain Linear Bearing Pillow Block with a 30mm 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..
$166.12
Closed Plain Linear Bearing Pillow Block with a 50mm ISO Metric 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 liner made from FrelonGOLD® for maintenance-free performance in harsh conditions such as extreme temperatures, dirt and..
$331.07
Closed Plain Linear Bearing Pillow Block with a 40mm ISO Metric 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:..
$236.54

Simplicity Plain Linear Bearings

844 products

Plain Linear Bearings from PBC Linear®, 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. Available as stand-alone regular linear bearings with straight or crowned anodized aluminum shells (open or closed), as straight or flanged sleeve bearings, inside standard-sized or double-sized pillow blocks (open or closed), or as standard or double-sized flanged variants. Optional Frelon® J liners provide resistance to corrosive chemicals, while Frelon® W liners ensure FDA compliance. These bearings 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