Linear Bearings from PBC Linear

Linear Bearings

Linear bearings are mechanical components that slide or roll along round or square shafts, enabling linear motion by reducing friction. PBC Linear manufactures bearings in the US, including the Simplicity® Plain Linear Bearings that feature a self-lubricating FrelonGold® PTFE liner for maintenance-free sliding in harsh environments. Our Linear Ball Bearings include a durable heat-treated outer ring, a quiet resin retainer polymer cage, and low-friction steel balls for speed. Additionally, our roller pillow blocks come with single, double, or twin sets of coated steel rollers in an open aluminum housing, designed to roll along rail-supported steel shafts for heavy-duty applications. Plain linear bearings support rotary, linear, or oscillating motion, while ball bearings avoid the 2:1 binding ratio associated with plain bearings. Both types are available in single, double, pillow block, and flange mounts, as well as Inch, ISO Metric, and JIS metric ID sizes. Plain bearings also include variants such as sleeve bearings, square bearings, and die set bearings.

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Linear Bearings

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1262 products
Twin Sized Closed 2" 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..
$492.14
Twin Sized Closed 1.5" 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..
$347.37
Twin Sized Plain Linear Bearing Pillow Block 1/2" ID, closed, with a precision cut Simplicity® plain bearing with the renowned self-lubricating FrelonGOLD® bearing liner for maintenance-free operation, low friction, and durability in extreme conditions like high temperatures, dirt, and vibration.  The twin design resembles two blocks positioned end to end..
$108.30
Linear Sleeve Bearing with a 25mm ID, 30mm OD and a 30mm length, unflanged with a closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating FrelonGold® bearing liner guarantees performance in extreme environments, including heat, dirt, and oscillation, eliminating the..
$26.66
Round Flanged Sleeve Bearing with a 20mm inner diameter, 20mm length and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating bearing liner is FrelonGold®, ensuring durable performance in extreme environments (such as heat or dirt) without catastrophic failure. Temperature..
$42.53
Sleeve Bearing, round flanged with a 1.25" inner diameter, 2" length, and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating bearing liner is FrelonGold®, ensuring durable performance in extreme (such as hot or dirty) environments without catastrophic failure. Temperature..
$56.60
Sleeve Bearing, round flanged with a 1/4" inner diameter, 1/4" length, and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating bearing liner is FrelonGold®, ensuring durable performance in extreme (such as hot or dirty) environments without catastrophic failure. Temperature..
$13.88
Round Flanged Sleeve Bearing with a 16mm inner diameter, 25mm length and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating bearing liner is FrelonGold®, ensuring durable performance in extreme environments (such as heat or dirt) without catastrophic failure. Temperature..
$23.92
Linear Sleeve Bearing with a 12mm inner diameter, 12mm length, round flange and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating bearing liner is FrelonGold®, ensuring durable performance in extreme environments (such as heat or dirt) without catastrophic failure...
$42.41
Simplicity® Plain Linear Sleeve Bearing with a 2" inner diameter and 3" length, and a round flanged end mount. This closed plain bushing is designed for both linear and rotational movement. The self-lubricating, maintenance-free bearing liner is FrelonGold®, ensuring durable performance in hot or dirty environments without catastrophic failure. Temperature..
$99.75
Simplicity® Plain Linear Sleeve Bearing with a 5/8" inner diameter and 3/4" length, with a round flanged end mount. This closed plain bushing is designed for both linear and rotational movement. The self-lubricating, maintenance-free bearing liner is FrelonGold®, ensuring durable performance in hot or dirty environments without catastrophic failure. Temperature..
$20.96
Linear Sleeve Bearing with a 1.25" inner diameter, 2" length and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating FrelonGold® bearing liner guarantees performance in extreme environments, including heat, dirt, and oscillation, eliminating the risk of catastrophic failure. Temperature..
$42.47
Linear Sleeve Bearing with a 3/4" inner diameter, 1.25" length and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating FrelonGold® bearing liner guarantees performance in extreme environments, including heat, dirt, and oscillation, eliminating the risk of catastrophic failure. Temperature..
$18.10
Linear Sleeve Bearing with a 1/2" inner diameter, 1/2" length and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating FrelonGold® bearing liner guarantees performance in extreme environments, including heat, dirt, and oscillation, eliminating the risk of catastrophic failure. Temperature..
$15.42
Linear Sleeve Bearing with a 3/8" inner diameter, 1/2" length and closed aluminum alloy shell. This maintenance-free Simplicity® plain bushing is designed for both linear and rotational movement. The self-lubricating FrelonGold® bearing liner guarantees performance in extreme environments, including heat, dirt, and oscillation, eliminating the risk of catastrophic failure. Temperature..
$14.13
Open Plain Linear Bearing Pillow Block with a 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..
$313.08
Open Plain Linear Bearing Pillow Block with a 2" 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: corrosive chemical..
$313.08
Open 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..
$81.98
Open Plain Linear Bearing Pillow Block with a 30mm 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:..
$188.93
Open Plain Linear Bearing Pillow Block with a 25mm ISO Metric inner diameter and a precision running clearance of 0.0005" per side. A mountable standard aluminum housing encloses the bearing, which features a self-lubricating liner made from FrelonGOLD® for maintenance-free performance in harsh conditions such as extreme temperatures, dirt and..
$147.01
1262 products

Linear Bearings

1262 products

Linear bearings are mechanical components that slide or roll along round or square shafts, enabling linear motion by reducing friction. PBC Linear manufactures bearings in the US, including the Simplicity® Plain Linear Bearings that feature a self-lubricating FrelonGold® PTFE liner for maintenance-free sliding in harsh environments. Our Linear Ball Bearings include a durable heat-treated outer ring, a quiet resin retainer polymer cage, and low-friction steel balls for speed. Additionally, our roller pillow blocks come with single, double, or twin sets of coated steel rollers in an open aluminum housing, designed to roll along rail-supported steel shafts for heavy-duty applications. Plain linear bearings support rotary, linear, or oscillating motion, while ball bearings avoid the 2:1 binding ratio associated with plain bearings. Both types are available in single, double, pillow block, and flange mounts, as well as Inch, ISO Metric, and JIS metric ID sizes. Plain bearings also include variants such as sleeve bearings, square bearings, and die set bearings.

PBC Linear® Specifications for Simplicity Plain Linear Bearings:

  • Self-Lubricating Bearing Liner: FrelonGOLD® is standard;
  • Optional liners include Frelon® J for corrosive chemical conditions and Frelon® W (FDA compliant)
  • Temperature Rating: -400°F/+400°F or -240°C/204°C
  • ID Sizes: Available from 3/16” to 4” Inch Series, 5mm to 80mm Metric Series
  • Maximum Horizontal Static Load: 2,165-100,500 lb (982- 45,586 kg)l
  • 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

Specifications for Linear Ball Bearings:

  • Temperature Range: -4/+176°F (-20/+80°C)
  • ID Sizes: Available from 1/4" to 2” Inch Series, and 8mm to 50mm Metric Series
  • Static Load Capacities: Up to 1700 lb (7900 N)
  • Dynamic Load Capacities: Up to 850 lb (3800 N)
  • Interchangeable: Size interchangeable with industry standards and the Simplicity plain linear bearing series
  • Low Coefficient of Friction: Ensures smooth operation
  • Heat Treated Alloy Steel Shell: Provides durability
  • Resin Retainer: Reduces noise
  • Double Seals: Included as standard at no additional cost

Specifications for Roller Bearing Pillow Blocks:

  • Use a floating "F" part number for each opposing block on parallel shafts to accommodate imperfect alignments.
  • A set of opposing roller bearings consists of 1 fixed side roller, 1 eccentric side roller (to account for any misalignment) and a top support roller
  • FUBK Series replacement kits include one new roller for each of the three in a set
  • Order two replacement kits to cover more than one set of opposing bearings

Browse the below categories to see the many variants and sizes to choose from. You can also view more product features and loop around back to the online store.

Types of Linear Bearings we offer are: Linear Plain Bearings, Linear Plain Bearing Flange Mounts, Linear Plain Sleeve Bearings, Linear Plain Pillow Block Bearings, Linear Plain Bearing Flange Die Set Bushings, Linear Plain Square Bearings, Linear Ball Bearings, Linear Ball Bearing Flange Mounts, Linear Ball Bearing Pillow Blocks, Roller Pillow Block Bearings, Single Roller Pillow Block Bearings, Double Roller Pillow Block Bearings, Twin Roller Pillow Block Bearings