Roller Bearing

Optimizing heavy-duty machinery requires mechanical components engineered to withstand extreme stress, and our exhaustive inventory at 3BG Supply delivers an unparalleled collection of premium roller bearings built for maximum radial and axial load distribution. Unlike point-contact alternatives, an industrial roller bearing utilizes line-contact rolling elements—such as cylinders, cones, or needles—to spread operating forces over a significantly larger surface area. This structural design enables various types of roller bearings to manage massive weight thresholds while maintaining low frictional resistance and smooth power transmission. Our comprehensive catalog accommodates diverse operational demands, featuring high-speed cylindrical roller bearings, thrust-heavy tapered roller bearings, self-aligning spherical roller bearings, and space-saving needle roller bearings. Sourcing your industrial roller bearings through 3BG Supply guarantees durable, precision-matched elements that optimize asset lifespan and eliminate unexpected downtime.

Find the right Roller Bearing for your needs.

  • Brand
  • Bore / Inner Diameter Inch
  • Bore / Inner Diameter MM
  • Outside Diameter Inch
  • Outside Diameter MM
  • Width Inch
  • Width MM
  • Height Inch
  • Height MM
  • Seal Type
  • Number of Mounting Holes
  • Bearing Locking Style
  • Bolt Center to Center Inch
  • Bolt Center to Center MM
  • Limiting Speed RPM
  • Material
  • Snap Ring
  • Static Load Capacity lbf
  • Static Load Capacity N
  • Travel Length Inch
  • Travel Length MM
  • Rating
  • Retainer
  • Precision Class
  • Relubricatable

    3 Benefits of Choosing 3BG Supply Co.

    3BG Supply Co. began as the answer to decentralized manufacturer equipment data that made MRO procurement challenging at best. Our founders aimed to bridge that gap through a simplify-and-supply mindset that drives value for our business partners in many ways.

    1. An Enjoyable, Straightforward Buying Experience

    We've done away with boring and unnecessarily complex MRO shopping. Instead, our responsive team is committed to resolving your MRO pain points while injecting some fun into a simplified process. Once you start working with us, you'll experience personalized service from a dedicated Account Executive, who will probably go out of their way to make you laugh.

    2. Higher Efficiency and Money Savings

    Why spend too much time tracking down components and critical spares from multiple suppliers when you can get what you need from one trusted partner? 3BG Supply Co. is a one-stop shop for many MRO needs. You can buy what you need online 24/7 with a few simple clicks. By doing so, you have more time to focus on core tasks.

    We also help you save money by embracing a lean business model based on direct-from-manufacturer shipping. Since we have no extra staffing and operations costs, we have much lower overhead expenses. That translates directly into more affordable prices for you. You'll also benefit from reduced total costs of ownership and a maximized budget.

    3. Variety and Expertise

    We offer more than 300,000 different MRO supplies online, including our comprehensive roller bearings — that's just how we roll. Choose from world-class manufacturing partners, including well-known brands like:

    Not sure which is right for you? Rely on our team for the know-how to help you find the MRO part you need. We've been at this since 2010 and invest in equipping our people with extensive product knowledge.

    Buy Roller Bearings From 3BG Supply Co.

    Thanks to our unique business model and industry partnerships, we have one of the net's largest selections of roller bearings for sale.

    Want to discuss your unique needs with an expert? Contact us online or call 1-800-609-5205 to connect with a specialist.

    FAQs

    What is a roller bearing and how does its load capacity compare to a ball bearing?

    A roller bearing is a mechanical component that utilizes rolling cylinders, cones, or needles to maintain separation between moving parts and minimize rotational friction. The core difference between roller bearings and ball bearings lies in their contact geometry. Ball bearings rely on point-contact, which is excellent for high-speed, light-to-medium load applications. Conversely, industrial roller bearings use line-contact across the length of the roller element. This expanded contact footprint distributes mechanical forces much more evenly, allowing roller components to support significantly larger radial or heavy impact shock loads without experiencing structural deformation.

    When should I implement cylindrical roller bearings versus tapered roller bearings?

    The decision between cylindrical roller bearings vs tapered roller bearings depends entirely on the direction of your system's load forces. Cylindrical roller bearings feature solid cylinders as rolling elements and are engineered to accommodate exceptionally high radial loads at high operational speeds, but they handle little to no axial thrust force. In contrast, tapered roller bearings feature conical rollers nestled between angled inner and outer raceways. This specific angled orientation enables tapered configurations to support massive combined radial and unidirectional thrust loads simultaneously, making them the industry standard for vehicle axles, heavy industrial gearboxes, and wheel hubs.

    What unique operational challenges are solved by spherical roller bearings and needle roller bearings?

    Spherical roller bearings and needle roller bearings are engineered to conquer distinct structural and dimensional challenges. Spherical roller bearings feature two rows of barrel-shaped rollers running within a common spherical outer raceway. This smart design allows the bearing to be completely self-aligning, letting it tolerate severe structural angular misalignment or heavy shaft flexing without binding or losing capacity. Alternatively, needle roller bearings utilize long, thin cylindrical elements whose length-to-diameter ratio is highly pronounced. This layout provides a remarkably high load-carrying capacity within an ultra-slim radial profile, making it the perfect choice for compact gear trains, universal joints, and small space-constrained linkages distributed via 3BG Supply.

    What maintenance strategies maximize the service life of heavy duty industrial roller bearings?

    Maximizing the service life of industrial roller bearings requires strict control over lubrication quality, contamination barriers, and structural alignment. Due to the high surface-area contact line, improper or depleted lubrication will rapidly induce severe frictional heat, metal flaking, and structural scoring. Ensure you establish a rigorous relubrication schedule using specialized extreme-pressure (EP) grease that maintains its viscosity under high mechanical loads. Furthermore, keep protective seals intact to completely block out grinding dust and moisture, and ensure shaft alignment matches tight manufacturer tolerances to mitigate uneven edge loading. For specialized diagnostic support or exact dimension sheets, contact the application specialistsat 3BG Supply.

    Industrial Roller Bearing Manufacturers