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igus® inc.

PO BOX 14349

East Providence

RI 02914

+1 800 521 2747
+1 401 438 7270

JEM insert bearings are a quick and easy 1:1 replacement for metal bearings

Directly replace your existing metal insert bearings with igubal® JEM - no redesign necessary. These plastic spherical insert bearings, engineered with high-performance polymers embedded with solid lubricants, last 8 times longer than their metal counterparts. Increased lifetime means less replacements and decreased operation costs. igubal® JEM is also grease-free, dry-running and maintenance-free, so you can prevent unplanned downtime and increase production, especially in dirty environments.


  • Plastic, self-lubricating inserts are grease-free, making them an ideal 1:1 replacement and retrofit option
  • Service life up to 8x longer than metal bearings
  • Low cost, lightweight and quiet-running
  • Injection-molded & other custom options available
  • Maintenance-free, less downtime, no service needed
  • Ideal for heavy-duty applications, safe for food contact
Ideal Industries:

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Insert Bearings

JEM-SP insert bearing

  • Injection-molded, low-cost, grease-free
  • Dirt/debris-resistant ridges, lightweight, quiet
  • Fast/easy retrofit for failing, rusty metal bearings

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Two and Four Bolt Flange

JEM-SP two and four bolt flange

  • Cast iron, sheet metal & polymer housing options
  • Self-lubricating, grease & maintenance-free
  • Lightweight & cost-effective for heavy-duty loads

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Pillow blocks

JEM-SP pillow block

  • Cast iron, sheet metal & polymer housing options
  • Self-lubricating, maintenance-free, low-cost
  • Low-moisture absorption, dirt/dust-resistant

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Request a JEM sample box

JEM sample box
Request a sample box

Engineer's Toolbox Resources


Contact a spherical bearings expert

Whether you're interested in turnkey, fully assembled solutions or looking to build your own customizable project, let us assist you with a solution based on your specific application and requirements. Contact us via the form below or call us at (800) 521-2747 to discuss your project today!

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