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
Thin Wall Plain Linear Bearing with a compensated 8mm 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 precision 40mm 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..
$67.37
Thin Wall Plain Linear Bearing with a precision 30mm 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..
$58.72
Thin Wall Plain Linear Bearing with a precision 14mm 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..
$18.55
Open plain linear bearing with a 30mm ISO Metric precision ID (inner diameter) with a running clearance of 0.0005" per side and 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 (optional stainless steel) Precision..
$81.64
Thin Wall Plain Linear Bearing with a precision 10mm 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..
$15.95
Thin Wall Plain Linear Bearing with a precision 8mm 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..
$14.38
Open plain linear bearing with a 80mm 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..
$435.61
Thin Wall Plain Linear Bearing with a precision 6mm 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..
$14.38
Open plain linear bearing with a 50mm 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..
$163.00
Open plain linear bearing with a 20mm 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..
$28.75
Open plain linear bearing with a 16mm 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..
$27.74
Open plain linear bearing with a 60mm 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..
$260.56
Open plain linear bearing with a 40mm 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..
$93.14
Open plain linear bearing with a 8mm 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..
$19.82
Open plain linear bearing with a 25mm 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..
$49.07
Open plain linear bearing with a compensated 80mm ISO Metric 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 of 0.0015" per side enables the plain bearing to perform like a linear ball bearing. ISO..
$435.61
Open plain linear bearing with a 12mm 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..
$25.63
Open plain linear bearing with a compensated 8mm ISO Metric 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 of 0.0015" per side enables the plain bearing to perform like a linear ball bearing. ISO..
$19.82
Open plain linear bearing with a compensated 40mm ISO Metric 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 of 0.0015" per side enables the plain bearing to perform like a linear ball bearing. ISO..
$93.14

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