Plain Linear Bearings, Sleeve Bushings, Pillow Blocks and Flange Mounts
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Crowned plain linear bearing, closed, with a compensated 12mm ID (inner diameter) that provides a running clearance of 0.0015" 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 Anodized Aluminum Shell (Optional..
$22.15
Crowned plain linear bearing, closed, with a compensated 20mm ID (inner diameter) that provides a running clearance of 0.0015" 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 Anodized Aluminum Shell (Optional..
$25.22
Crowned plain linear bearing, closed, with a compensated 30mm ID (inner diameter) that provides a running clearance of 0.0015" 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 Anodized Aluminum Shell (Optional..
$86.16
Crowned plain linear bearing, closed, with a 30mm 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 Anodized Aluminum Shell (Optional..
$86.16
Crowned plain linear bearing, closed, with a compensated 16mm ID (inner diameter) that provides a running clearance of 0.0015" 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 Anodized Aluminum Shell (Optional..
$24.70
Crowned plain linear bearing, closed, with a compensated 8mm ID (inner diameter) that provides a running clearance of 0.0015" 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 Anodized Aluminum Shell (Optional..
$19.17
Crowned plain linear bearing, closed, with a 50mm 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 Anodized Aluminum Shell (Optional..
$172.71
Crowned 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. Crowned self-aligning outer diameter. ISO Metric Series - Closed Anodized Aluminum Shell (Optional..
$442.22
Crowned plain linear bearing, closed, with a 60mm 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 Anodized Aluminum Shell (Optional..
$291.85
Crowned plain linear bearing, closed, with a 25mm 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 Anodized Aluminum Shell (Optional..
$48.54
Crowned plain linear bearing, closed, with a 16mm 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 -..
$24.70
Crowned plain linear bearing, closed, with a 40mm 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 -..
$98.84
Crowned plain linear bearing, closed, with a 20mm 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 -..
$25.22
Crowned plain linear bearing, closed, with a 12mm 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 -..
$22.15
Plain Linear Bearing - FM50 50mm
$130.84
Plain linear bearing, closed, with a 50mm 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..
$130.84
Plain Linear Bearing - FM60 60mm
$221.11
Plain linear bearing, closed, with a 60mm 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..
$221.11
Plain linear bearing, closed, with a 10mm 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 shell Straight outer diameter (crowned ODs available via the..
$17.71
Open 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. Inch Series - Open anodized aluminum shell Precision..
$260.56
Open plain linear bearing with a 3" 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..
$435.61
Open plain linear bearing with a 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..
$697.59
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
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