The internal gap between the balls and raceways of a bearing is known as bearing clearance. This clearance affects the axial and radial play of the bearing and also influences its thermal expansion characteristics.

Ball bearings allow for smooth and efficient rotational motion and minimum friction and wear in various machinery and mechanical systems. They consist of ball rollers positioned between the inner and outer steel rings to withstand larger loads.

Our large inventory of high precision bearings is available in many sizes, and options. Most major precision bearing brands can be interchanged with a GMN high precision bearing. 99% of our orders are shipped out the same day the PO is sent!

Ensure that the dimensions of the bearings align with the specific requirements of your shaft and housing. Confirm that the bore diameter, outer diameter, and width correspond to the specifications of your machinery.

Bearings are used across industries such as aerospace, robotics & automation, power generation, medical, construction, automotive, and more. Our engineers work with a variety of applications. This includes, but is not limited to:

The ball bearing size chart offers a comprehensive reference guide to a wide range of dimensions and specifications for ball bearings.

Ball bearings come in various sizes based on the shaft size and the requirements of the application. Due to their usage in different industries, they are needed for a wide range of applications, from oil drills to skateboard wheels. How are these bearing sizes determined? How can we understand the ball bearing size chart?

Along with our GMN manufactured ball bearing products, we supply ABEC 5 radial bearings from ORS. This includes the ORS THIN, 6000, 6200, and 6300 series.

A ball bearing is a type of rolling bearing in which a ball is placed between the inner and outer rings that reduces rotational friction and supports radial and axial loads. Also, it improves the efficiency of mechanical power transmission and is commonly used in light industrial machinery. A basic ball bearing comprises four components: a ball, an inner ring, an outer ring, and a cage or retainer. The balls and rings are typically made of high chromium steel.

Applications that operate in extreme environments typically require special bearings. We offer customized bearing options to best fit applications such as:

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This heavy-duty clutch (aka a hold-back clutch) is good for high torque operations and ensures motion freezes in place. Bore (ID) sizes: 15 to 40 mm. (0.59 to 1.73 in)

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Designed with grooves in the outer ring to offer more protection (than our L-type seal) against contamination and direct spray liquids. Liquid gets pushed out through outer grooves when in rotation.

We stock GMN manufactured high precision bearings, manufactured in ABEC 7 (P4+) accuracy classes with ABEC 9 (P2) running accuracy. GMN bearings are known for reliability, precision, and quality since 1908.

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Ball bearings are essential components used in a multitude of machinery and mechanical systems, allowing for smooth and efficient rotational motion and minimum friction and wear. These devices comprise an outer and inner ring with a set of balls in between.

Bearing precision is important, especially if your equipment is using the bearing at max speed. Precision classes set the bearing properties to ensure uniformity and regulation standards are met.

No built-in ball bearing support. Good for large orders & low to high torque needs: 1 to 2673 Nm. Bore (ID) sizes: 2 to 240 mm (0.078 to 9.448 in)

Linear potentiometric transducers are used with various testing machines and apparatus as Consolidation apparatus, Shear and Triaxial testing equipment.

When considering bearing performance, take into account clearance and tolerance. These factors can significantly influence the functionality of the overall system, so it’s vital to ensure that they’re appropriate for your applications.

If you aren't using your bearing at high operational speeds or you don't have the machine space for a matched set of bearings then Radial Ball Bearings will probably be your best fit.

Applications that operate at high speeds, carry heavy loads, and/or require tight rigidity usually require an ABEC 7 high precision bearing. Our GMN German-manufactured, ABEC 7 high precision bearings are a great choice for these applications.

For example, we offer ORS radial ball bearings because GMN doesn’t produce A5 radial ball bearings, a product that will support speeds as low as 3300 rpm. We heard from our customers that they need these types of radial ball bearings for certain applications, so we made a decision to start carrying ORS radial ball bearings.

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Angular contact bearings, also known as spindle bearings, support high RPMs, medium to heavy loads, & axial loads in one direction. Our angular contact bearing product lines include our S, SM, and KH series.

When measuring bearings, their inner diameter, outer diameter, and width are taken into account. The size of a bearing is typically indicated as ID x OD x W and is usually expressed in millimeters but can be converted to inches. Actually, most manufacturers and suppliers provide bearing measurements in both imperial and metric units.

In general, ball bearings are smaller, load capacities are weaker. In such cases, small ball bearings are better suited for applications where space efficiency is prioritized over overload capacity. Precision miniature bearings are frequently used in incredibly small applications, including robotics, medical instruments, and semiconductor equipment. Conversely, larger bearings are designed to handle heavier loads, making them ideal for industries such as agriculture, mining, drilling, and heavy power tools. Some manufacturers such as Runsom Precision even offer custom bearing sizes tailored to the unique requirements of specific applications.

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After prolonged use, it’s not unusual for the bearing identification number to become illegible or worn out. In such cases, manual measurement of the bearing becomes necessary. Accurate measurements can be obtained using a vernier caliper. In the absence of a vernier caliper, measurements can still be taken carefully using a ruler.

This article presented ball bearing size charts that are commonly used. In addition, it offers guidance on how to define, interpret, and measure ball bearings.

Our GMN Gap Seals are plastic and a great choice for washdown applications, such as food conveyors and food manufacturing facilities

20111216 — Not recommended to drive on it. If worn badly enough the bearing may have damaged the races in the hub, too, and that gets expensive.

We know that not every application requires super, high-precision bearings. We stock other industrial parts from quality brands.

Includes built-in ball bearing support. Supports MEDIUM loads & low to medium torque capacity: 53 to 267 Nm. Bore (ID) sizes: 17 to 40 mm (0.669 to 1.57 in)

Because of the relationships we have built over time, we do stock other product lines from quality brands. We do this only if GMN Germany doesn’t manufacture an equivalent GMN product.

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Here, we will explore the importance of the ball bearing size chart and learn how to interpret and utilize it effectively. In addition, charts as follows provide commonly used ball bearing sizes and dimensions to help select the exact ball bearing for specific applications, in turn, enabling the equipment to realize optimal performance, reliability, and longevity.

To properly identify your needs, assess the operational conditions and performance requirements of your application. This includes factors such as load, speed, temperature, and the surrounding environment.

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Includes built-in ball bearing support. Supports HEAVY loads & has a high torque capacity: 53 to 588 Nm. Bore (ID) sizes: 10 to 60 mm (0.393 to 2.362 in)

We understand the importance of selecting the appropriate bearings when it comes to building dependable and efficient machinery. With our team of highly skilled engineers and machinists, we possess the expertise to fully understand and utilize our knowledge to assist you in making well-informed decisions. Whether you need customized solutions, standardized bearings, or bearings designed for high loads and speeds, we are well-equipped to meet your requirements. Request an instant quote today to get started on your next project today!

The series number of a bearing can be found directly on the bearing and corresponds to a specific combination of measurements. To determine the measurements of a particular bearing, ball bearing size charts are readily accessible. The commonly used series are 6200 and 6300, which typically encompass sizes ranging from 10 x 30 x 9 mm (.394 x 1.181 x .354 in) to 150 x 320 x 65 mm (5.906 x 12.598 x 2.559 in).

The bearing size and attributes are identified using a standardized numbering code system developed by ABMA. However, at Runsom Precision, we can manufacture non-standard bearings with unique characteristics through our custom CNC machining services.

The size of a ball bearing is determined by the shaft size and the specific requirements of the application, which has a significant impact on its performance and capabilities. Consequently, different industries utilize various sizes of ball bearings to meet their specific needs.

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Buy roller skate bearings 7mm with free shipping and free return online. Widely used in home, furniture, trolleys, roller skate bearings and other tools.

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No built-in ball bearing support. Has no RPM limits & Supports high torque needs: 609 to 14,060 Nm. Bore (ID) sizes: 38.09 to 220 mm (1.499 to 8.66 in)

When selecting a bearing, it’s essential to verify its load and speed ratings to confirm that it can handle the anticipated loads and rotational speeds in your specific application.

To make the proper selection for your application, it is crucial to have a clear understanding of the bearing size chart.

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The speed ratings establish the highest rotational speed at which a bearing can function without generating excessive heat or experiencing premature wear.

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The best protection for your bearing. Easy to install with a simple “drop-in” next to your bearing. No added space needed. CF seals offer 100% sealing efficiency against splashing liquids.

To find the correct bearing match or replacement, it is essential to consider other significant aspects of the bearing number. Pay attention to the suffix, which provides additional details about the bearing design and features:

Ball bearings endure both radial and axial loads during operation. Load ratings listed in the size chart represent the maximum capacity a bearing can withstand without encountering premature failure.

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Generally speaking, if your precision bearing will be operating at high speeds with heavy loads, you will probably need an Angular Contact Bearing. These bearings are optimized for higher speeds and are designed with more balls per bearing.

Radial ball bearings, also known as deep groove ball bearings, support low to moderate RPMs, medium loads in both axial directions. GMN’s top radial ball bearings include our 6000 & 6200 series, both manufactured to ISO 15 standards.

The size chart includes crucial measurements, including the inner diameter (bore diameter), outer diameter, and width of the bearing. These dimensions are crucial in establishing whether the bearing is compatible with the intended shaft and housing.