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

844 products
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844 products
Closed 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-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:..
$96.36
Closed 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-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:..
$96.36
Closed 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-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:..
$77.07
Closed 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-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:..
$77.07
Closed 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:..
$166.12
Closed Plain Linear Bearing Pillow Block with an 8mm 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:..
$70.62
Closed Plain Linear Bearing Pillow Block with a 10mm 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:..
$73.30
Closed Plain Linear Bearing Pillow Block with a 16mm 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:..
$84.43
Closed Plain Linear Bearing Pillow Block with an 8mm 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..
$70.62
Closed Plain Linear Bearing Pillow Block with a 3/4" 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..
$63.71
Closed Plain Linear Bearing Pillow Block with a 5/8" 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..
$60.59
Closed Plain Linear Bearing Pillow Block with a 1/4" 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..
$46.83
Closed Plain Linear Bearing Pillow Block with a 1/2" 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..
$54.09
Closed Plain Linear Bearing Pillow Block with a 3/8" 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..
$48.89
Closed Plain Linear Bearing Pillow Block with a 1/4" 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 liner made from FrelonGOLD® for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. Optional liners:..
$46.83
Thin Wall Plain Linear Bearing with a compensated 12mm ID (inner diameter), featuring a self-lubricating FrelonGOLD® liner for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. The compensated running clearance provides more clearance between the lined interior and shaft allowing the plain bearing to perform like a..
$16.62
Thin Wall Plain Linear Bearing with a compensated 30mm ID (inner diameter), featuring a self-lubricating FrelonGOLD® liner for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. The compensated running clearance provides more clearance between the lined interior and shaft allowing the plain bearing to perform like a..
$58.72
Thin Wall Plain Linear Bearing with a compensated 10mm ID (inner diameter), featuring a self-lubricating FrelonGOLD® liner for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. The compensated running clearance provides more clearance between the lined interior and shaft allowing the plain bearing to perform like a..
$15.95
Thin Wall Plain Linear Bearing with a compensated 6mm ID (inner diameter), featuring a self-lubricating FrelonGOLD® liner for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. The compensated running clearance provides more clearance between the lined interior and shaft allowing the plain bearing to perform like a..
$14.38
Thin Wall Plain Linear Bearing with a compensated 16mm ID (inner diameter), featuring a self-lubricating FrelonGOLD® liner for maintenance-free operation in harsh conditions like extreme temperatures, dirt and vibration. The compensated running clearance provides more clearance between the lined interior and shaft allowing the plain bearing to perform like a..
$18.55

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