Filling Slot Ball Bearing
Amcan is a fast growing global supplier of ball and roller bearing products. We deliver a broad, quality range of products along with the highest levels of customer service and support in the industry. Radial (Deep Groove) Ball Bearings The two basic types are the non-filling-slot (Conrad) and the filling-slot (maximum capacity). The non-filling-slot type has deep raceways and accommodates high radial loads and moderate thrust loads in either direction. 100% Match Filling Slot Ball Bearing Bonus + 100 Free Spins! The FastPay welcome bonus is exclusive to new players only. A minimum deposit of €/$20 is required to claim each bonus. Free spins will be issued 20 per day for five days. Wagering requirements of 50x must be met before you can withdraw your winnings. General Filling Slot Ball Bearing. Filling slot bearings have a higher radial load carrying capacity than bearings without filling slots, but their axial load carrying capacity is limited. They are also unable to operate at the same high speeds as bearings without filling slots. Deep groove ball bearings with filling slots are available open or with shields on one or both sides. Filling slot bearings have a higher radial load carrying capacity than bearings without filling slots, but their axial load carrying capacity is small. They are also unable to operate at such high speeds as bearings without filling slots.
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ISC Companies and affiliate Adams-ISC are distributors of mechanical power transmission parts including unmounted ball bearings. For more information about the brands we offer and/or pricing, please contact us by phone 763-559-0033, by email custserv@isccompanies.com, or by filling out our online contact form.
Ball bearings are used for high speed applications with light to moderate loads and are typically less expensive than roller bearings. A ball bearing is an anti-friction bearing that uses a series of rolling balls held between inner and outer rings (races). They can support radial and axial loads and reduce friction, heat, and wear.
A ball bearing is made up of an outer race (cup), an inner race (cone), the rolling element (ball), and in many cases a cage (retainer). In most applications, one race is stationary while the other rotates. Ball bearings typically have a lower load capacity than other rolling element bearings due to a smaller contact area between the balls and the races. If the bearing is overloaded, the balls can deform or flatten over time, causing the bearing to fail.
Loads
- Radial: A load that is perpendicular to the shaft center line
- Axial or Thrust: A load that is parallel to the shaft center line
Types of Ball Bearings
Radial (Deep Groove) Ball Bearings
The two basic types are the non-filling-slot (Conrad) and the filling-slot (maximum capacity). The non-filling-slot type has deep raceways and accommodates high radial loads and moderate thrust loads in either direction. The filling-slot type has more balls and accommodates higher radial loads but as the radial load increases the thrust load capacity decreases. Double-row versions handle higher radial loads, but have the same speed rating as single-row.
Self-Aligning Radial Ball Bearings
Used when the shaft and housing bore are not easily aligned, which can happen from mounting error or shaft deflection. Two design options are internal and external. The internal version has two rows of balls in a grooved, double-row inner ring, which is contained in an outer ring with a spherical outer race. The external version is similar to a single-row, deep groove bearing except the outer ring has a spherical outer surface that mates with a matching opposing raceway.
Angular-Contact Ball Bearings
A single-row, angular-contact bearing accommodates higher thrust loads and moderate radial loads when compared with deep groove ball bearings. The ratio of thrust to radial load depends on the contact angle between the races and the bearing axis. To accommodate thrust loads in one direction, angular-contact bearings are mounted singularly or in sets of two or more. Paired sets can be back-to-back or face-to-face and handle thrust from both directions or they can be mounted in tandem to maximize stiffness and optimize speed rating.
Thrust Ball Bearings
Thrust ball bearings carry thrust loads and provide axial shaft location. The space between the rings is perpendicular to the axis of rotation. They have two races that are hardened to resist wear. Thrust bearings are classified by the shape of the race. Flat race types carry light thrust loads without restraining shaft movement. Grooved race thrust bearings are more common. The race mounted on the shaft is usually the one that rotates.
Precision
Filling-slot Ball Bearing
Operate with high accuracy and are machined with exact sizing. Retainers are more exact and the material that is used is higher grade and is designed to hold shape and reduce friction. The amount of precision can be categorized by the ABEC (Annular Bearing Engineering Committee) classification. These bearings are often used in machine tools, spindles, and precision instrumentation.
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Content on this page was created using excerpts from thePower Transmission Handbook (5thEdition), which is written and sold by the Power Transmission Distributor’s Association (PTDA).