Plain Linear Bearings | Linear Bearing - Plain, Open

Plain Linear Bearings

Simplicity self-lubricating plain linear bearings come in open and closed versions. The opening is designed to allow use on rail supported shafting for greater system rigidity. 

Closed plain linear bearings are ideal for handling loads in all directions and offer a n...

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Plain Linear Bearings

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314 products
Thin Wall Plain Linear Bearing with a 30mm ID (inner diameter) ISO Metric Closed Precision running clearance, 0.0005" per side FAG Interchange Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze bushings  Product Variant..
Thin Wall Plain Linear Bearing. Compensated 40mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. Straight outer diameter. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with..
Thin Wall Plain Linear Bearing. Compensated 40mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. Straight outer diameter. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with..
Thin Wall Plain Linear Bearing. Compensated 30mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. Straight outer diameter. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with..
Thin Wall Plain Linear Bearing. Compensated 25mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. Straight outer diameter. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with..
Thin Wall Plain Linear Bearing. Compensated 20mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. Straight outer diameter. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with..
Thin Wall Plain Linear Bearing. Compensated 16mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. Straight outer diameter. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with..
Thin Wall Plain Linear Bearing. Compensated 14mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. Straight outer diameter. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with..
Thin Wall Plain Linear Bearing. Compensated 12mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer..
Thin Wall Plain Linear Bearing. Compensated 10mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer..
Thin Wall Plain Linear Bearing. Compensated 8mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer..
Thin Wall Plain Linear Bearing. Compensated 6mm ID (inner diameter). The compensated running clearance provides more clearance between the inner diameter and shaft allowing the bearing to perform like a linear ball bearing. ISO Metric Closed Compensated running clearance, 0.0015" per side Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer..
Thin Wall Plain Linear Bearing with a 40mm ID (inner diameter) ISO Metric Closed Precision running clearance, 0.0005" per side Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze bushings  Product Variant ID sizes:..
Thin Wall Plain Linear Bearing with a 30mm ID (inner diameter) ISO Metric Closed Precision running clearance, 0.0005" per side Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze bushings  Product Variant ID sizes:..
Thin Wall Plain Linear Bearing with a 20mm ID (inner diameter) ISO Metric Closed Precision running clearance, 0.0005" per side Straight Outer Diameter Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze bushings  Product..
Thin Wall Plain Linear Bearing with a 16mm ID (inner diameter) ISO Metric Closed Precision running clearance, 0.0005" per side Straight Outer Diameter Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze bushings  Product..
Thin Wall Plain Linear Bearing with a 14mm ID (inner diameter) ISO Metric Closed Precision running clearance, 0.0005" per side Straight Outer Diameter Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze bushings  Product..
Thin Wall Plain Linear Bearing with a 12mm ID (inner diameter). Straight outer diameter. ISO Metric Closed Precision running clearance, 0.0005" per side FAG Interchange Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze..
Thin Wall Plain Linear Bearing with a 10mm ID (inner diameter). Straight outer diameter. ISO Metric Closed Precision running clearance, 0.0005" per side Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze bushings  Product..
Thin Wall Plain Linear Bearing with a 8mm ID (inner diameter). Straight outer diameter. ISO Metric Closed Precision running clearance, 0.0005" per side Self Lubricating Simplicity Frelon Gold® liner material with anodized aluminum outer shell Designed for use with end-supported shafting  Interchangeable with compact linear ball bearings and some bronze bushings  Product..
314 products

Plain Linear Bearings

314 products

Simplicity self-lubricating plain linear bearings come in open and closed versions. The opening is designed to allow use on rail supported shafting for greater system rigidity. 

Closed plain linear bearings are ideal for handling loads in all directions and offer a number of mounting options.

  • Inch, metric and JIS sizing options 
  • Designed for use with linear rail supported shafting 
  • Can operate in any orientation 
  • Static Load Capacities up to 166,000 lb (740 kN) 
  • ID sizes: 4.76 mm (0.19 in) to 101.6 mm (4 in) 
  • Specific sizes are 3/16” to 4” Inch Series, 5mm to 80mm Metric Series
  • Choose between standard ID running clearance (0.0005" per side) and compensated ID running clearance (0.0015" per side) 
  • Options for standard/straight OD or self-aligning/spherical OD to prevent binding.
  • Self-Lubricating Bearing Liner: FrelonGOLD® is standard
  • Optional liners include Frelon® J & Frelon® W 
  • Temperature Rating: -400°F/+400°F or -240°C/204°C
  • Maximum Speed: Up to 8 m/s (315 in/s) 
  • Shaft Lengths: Up to 12 feet 
  • Shell Material: Standard is aluminum; stainless steel shells are available
  • Self-Lubricating: Provides oil-free operation
  • 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
  • Designed for use with end-supported shafting 
  • Interchangeable with linear ball bearings and some bronze bushings  
  • Choose between standard ID running clearance (0.0005" per side) and compensated ID running clearance (0.0015" per side) 
  • Options for standard/straight OD or self-aligning/spherical OD to prevent binding