Plain Linear Bearings, Sleeve Bushings, Pillow Blocks and Flange Mounts
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Plain Linear Bearing CFPJ10C 10mm JIS Metric, Square Flange Center, Double Wide, Compensated ID
$70.19
JIS Metric Double Square Flanged Center Mount Plain Linear Bearing with a 10mm JIS Metric ID (inner diameter), a self lubricating liner and a compensated running clearance of 0.0015" per side, which could favor speed over precision. Self-Lubricating Bearing Liner: FrelonGOLD® is standard Optional liners include Frelon® W (FDA compliant) &..
$70.19
JIS Metric Double Plain Linear Bearing, Square Flanged Center Mount with a 10mm JIS Metric ID (inner diameter), a self lubricating liner and a precision running clearance of 0.0005" per side. Self-Lubricating Bearing Liner: FrelonGOLD® is standard Optional liners include Frelon® W (FDA compliant) Frelon® J Outer Shell: Anodized Aluminum Alloy Temperature..
$70.19
JIS Metric Double Plain Linear Bearing with a Square Flange Center Mount and a 13mm JIS Metric ID (inner diameter). Features a self lubricating bearing liner and a precision running clearance of 0.0005" per side. Self-Lubricating Bearing Liner: FrelonGOLD® is standard Optional liners include Frelon® W (FDA compliant) & Frelon®..
$78.51
JIS Plain Linear Bearing - FJAC150 150mm
$1,563.30
Self-aligning closed plain linear bearing with a 150mm JIS ID, compensated with 0.0015" running clearance per side. The green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Crowned outer diameter (OD) is self-aligning Meets JIS metric tolerance standards for precision and..
$1,563.30
Closed plain linear bearing with a JIS Metric 150mm ID, compensated with 0.0015" running clearance per side. Its green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Meets JIS metric tolerance standards for precision and compatibility Nominal ID of 150.21 mm..
$1,211.87
Closed plain linear bearing, self-aligning, with a 150mm JIS precision ID with 0.0005" running clearance per side. The green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Crowned outer diameter (OD) Meets JIS metric tolerance standards for precision and compatibility Optional..
$1,563.30
Closed plain linear bearing with a JIS Metric 150mm ID, compensated with 0.0015" running clearance per side. Its green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Meets JIS metric tolerance standards for precision and compatibility Nominal ID of 150.21 mm..
$783.31
JIS Plain Linear Bearing - FJAC120 120mm
$1,010.47
Self-aligning closed plain linear bearing with a 120mm JIS compensated ID that has a 0.0015" running clearance per side. The green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Crowned outer diameter (OD) is self-aligning Meets JIS metric tolerance standards for..
$1,010.47
Self-aligning plain linear bearing with a 120mm JIS precision ID that has a 0.0005" running clearance per side. The green anodized aluminum closed shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance in harsh conditions including extreme temperatures, dirt and vibration. Crowned outer diameter (OD) is self-aligning..
$1,010.47
JIS plain linear bearing with an 80mm ID, open, compensated with 0.0015" running clearance per side. Its green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. The open shell is tailored for rail-supported shafting. Meets JIS metric tolerance standards for precision..
$587.47
Self-aligning closed plain linear bearing with a 50mm JIS compensated ID that has a 0.0015" running clearance per side. The green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Crowned outer diameter (OD) is self-aligning Meets JIS metric tolerance standards for..
$182.29
Closed plain linear bearing with a JIS Metric 38mm ID, compensated with 0.0015" running clearance per side. Its green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Meets JIS metric tolerance standards for precision and compatibility Optional Frelon® J or W..
$80.86
Self-aligning closed plain linear bearing with a 38mm JIS compensated ID that has a 0.0015" running clearance per side. The green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Crowned outer diameter (OD) is self-aligning Meets JIS metric tolerance standards for..
$104.31
Open plain linear bearing of 38mm JIS ID with a precision running clearance of 0.0005" per side. Its green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. The open shell is tailored for rail-supported shafting. Straight outer diameter (OD) Meets JIS..
$100.59
JIS plain linear bearing with a 38mm ID, open, compensated with 0.0015" running clearance per side. Its green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. The open shell is tailored for rail-supported shafting. Straight outer diameter (OD) Meets JIS metric..
$100.59
Plain linear bearing with a 38mm JIS precision ID that has a 0.0005" running clearance per side. The green anodized aluminum closed shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance in harsh conditions including extreme temperatures, dirt and vibration. Meets JIS metric tolerance standards for precision..
$80.86
Self-aligning closed plain linear bearing with a 30mm JIS compensated ID that has a 0.0015" running clearance per side. The green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. Crowned outer diameter (OD) is self-aligning Meets JIS metric tolerance standards for..
$84.20
JIS plain linear bearing with an 8mm ID, open, compensated with 0.0015" running clearance per side. Its green anodized aluminum shell ensures robust durability, while the FrelonGOLD® liner delivers self-lubricating, maintenance-free performance with vibration damping. The open shell is tailored for rail-supported shafting. Straight outer diameter (OD) Meets JIS metric..
$21.39
Twin Sized Open Compensated 1.25" ID Plain Linear Bearing Pillow Block made of aluminum alloy with holes for mounting and featuring a compensated Simplicity® plain bearing with an anodized aluminum shell and the renowned self-lubricating FrelonGOLD® bearing liner for maintenance-free operation, low friction, and durability in extreme conditions like high..
$318.34
Twin Sized Open 1.25" ID Plain Linear Bearing Pillow Block made of aluminum alloy with holes for mounting and featuring a precision cut Simplicity® plain bearing with an anodized aluminum shell and the renowned self-lubricating FrelonGOLD® bearing liner for maintenance-free operation, low friction, and durability in extreme conditions like high..
$318.34
Plain linear bearings are precision-bored linear motion components that use a bonded, self-lubricating liner in the bore to provide low-friction, maintenance-free guidance along round or square shafts or profiled rails. Simplicity® Plain Linear Bearing variants feature a FrelonGOLD® PTFE-based liner that minimizes friction and wear, eliminates external lubrication, and delivers long-lasting performance in harsh, hot, or dirty environments. Available configurations include standalone bearings, sleeve bearings, flanged bearings, and pillow block mounted bearings. Standalone variants are offered with straight or crowned anodized aluminum shells in open or closed styles. Sleeve bearings are available in straight or flanged designs, while pillow block assemblies and aluminum flanged mounts are offered in standard or double-size housings, open or closed. Optional Frelon® J liners provide resistance to corrosive chemicals, and Frelon® W liners ensure FDA-compliant performance. All variants are available with precision or compensated running clearances and support rotary, linear, or oscillating motion. ID sizes are in inch, ISO Metric, and JIS. 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 the Plain Linear Bearing Product Features page
Frequently Asked Questions
What are flanged plain bearings used for?
Flanged plain bearings are used to simplify mounting and axial positioning in linear motion systems, providing a built-in flange that helps secure the bearing within a housing or plate.
What is a pillow block plain bearing?
A pillow block plain bearing is a mounted assembly that houses a plain bearing in a rigid block, making installation easier while providing alignment support and load distribution.
What are twin or double-size plain bearings?
Twin or double-size plain bearings feature extended length or dual-bearing surfaces to increase load capacity, improve stability, and reduce deflection in demanding applications.
What are die set plain bearings used for?
Die set plain bearings are designed for use in stamping and tooling applications, providing precise linear guidance and durability under high loads and repetitive motion.
What are thin-wall plain bearings?
Thin-wall plain bearings are designed for space-constrained applications, offering a reduced outer diameter while maintaining low friction and reliable linear motion performance.
What is a sleeve bushing in linear motion applications?
A sleeve bushing is a cylindrical plain bearing that provides smooth, low-friction motion along a shaft, commonly used where compact size and simple installation are required.
What are the benefits of self-lubricating liners in plain bearings?
Self-lubricating liners eliminate the need for external lubrication, reduce maintenance, minimize friction and wear, and perform reliably in dirty, dry, or high-temperature environments.
When should mounted plain bearings be used instead of standalone bearings?
Mounted plain bearings, such as pillow blocks or flanged units, should be used when easier installation, improved alignment, and additional structural support are required.
What materials are used in plain bearing liners?
Plain bearing liners are typically made from PTFE-based materials that provide low friction, wear resistance, and consistent performance across a wide range of temperatures and conditions.
Can plain bearings operate without lubrication?
Yes, plain bearings with self-lubricating liners are designed to operate without external lubrication, making them ideal for applications where maintenance access is limited or contamination is a concern.
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