Slim Section Bearings, Inc. is the manufacturing division of Ritbearing Corp. With experience in manufacturing that began in 1987, we are able to give our customers the ability to obtain American-made thin section bearing products. This includes standard production bearings and customized solutions.

SSB brand products are currently offered up to 20″ bore. Precision grades in ABEC 1 and ABEC 3 are currently offered. Our materials are procured in the USA. SSB brand products are DFARS compliant with certifications for all components kept on file.

Ring materials available for production include: 52100 chrome steel, 440-C stainless steel, XD15NW Stainless, M-50 tool steel and 300 series stainless steel.

Thin bearings can be produced in both inch and metric dimensions. We can offer you solutions based on our wide range of application experience.

Slim Section Bearings, Inc. refurbishes bearings to give the customer exceptional cost savings when needed. Inspection services are offered on both thin section bearings and slewing ring style bearings. Once bearings are received, inspection can be completed normally in 7-10 business days. Free inspection of any manufacturers’ bearings is offered. Detailed inspection reports can be presented to the customer, listing causes of failure and recommended bearing or application changes. The re-manufacturing process typically ranges from 6-8 weeks after customer approval. Re-manufactured product is warranted to be free from material defects for a one year period after shipment.

Your inquiries are welcome and will be responded to promptly.

Ritbearing Corp. Commercial & Government Entity Code (CAGE): 704Q7

Contact us today to request a quote.

Made in the USA


  • Antenna mounts
  • Bottling equipment
  • Blow out protectors
  • Camera mounts
  • Converting equipment
  • X-ray equipment
  • Food processing equipment
  • Gear boxes
  • Gun Barrel mounts
  • Indexing tables
  • Instrument mounts
  • Labeling machines
  • Machine tools/ Lathe accessories
  • Medical equipment
  • Missile launchers
  • Oil well equipment
  • Optical equipment
  • Packaging equipment
  • Radar drives
  • Radar equipment
  • Robotics
  • Rotary actuators
  • Rotary pipe cutting equipment
  • Rotary polishing equipment
  • Rotary unions/ Rotary joints
  • Rotary welding equipment
  • Rotary work holding tables
  • Satellite antennas/ mounts
  • Security camera mounts
  • Sensors
  • Semi-conductor equipment
  • Slip rings
  • Telescope bases
  • Textile machinery
  • Tire production equipment
  • Truck mounted communication equipment
  • Wire handling equipment


  • RAA – 3/16 x 3/16
  • RA – 1/4 x 1/4
  • RB – 5/16 x 5/16
  • RC – 3/8 x 3/8
  • RD – 1/2 x 1/2
  • RF – 3/4/ x 3/4
  • RG – 1 x 1
  • RJU


SSB Catalog 2016

SSB ISO 9001/2015 Certificate

SSB Nomenclature