Basic Dimensions | Design |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
d (inch) | D (inch) | D1 (inch) | B (inch) | B1 (inch) | C1 (inch) | C2 (inch) | OPEN | Shield | Flange Open | Flange Shields | Seals |
0.0400 | 0.1250 | 0.1710 | 0.0469 | 0.0130 | R 09 | FR 09 | |||||
0.0469 | 0.1562 | 0.2030 | 0.0625 | 0.0937 | 0.0130 | 0.0310 | R 0 | R 0ZZ | FR 0 | FR 0ZZ | |
0.0550 | 0.1875 | 0.2340 | 0.0781 | 0.1094 | 0.0230 | 0.0310 | R 1 | R 1ZZ | FR 1 | FR 1ZZ | |
0.0781 | 0.2500 | 0.2960 | 0.0937 | 0.1406 | 0.0230 | 0.0310 | R 1-4 | R 1-4ZZ | FR 1-4 | FR 1-4ZZ | |
0.0937 | 0.1875 | 0.2340 | 0.0625 | 0.0180 | R 133 | FR 133 | |||||
0.0937 | 0.1875 | 0.2340 | 0.0937 | 0.0310 | R 133 ZZ | FR 133ZZ | |||||
0.0937 | 0.3125 | 0.3590 | 0.1094 | 0.1406 | 0.0230 | 0.0310 | R 1-5 | R 1-5ZZ | FR 1-5 | FR 1-5ZZ | |
0.1250 | 0.2500 | 0.2960 | 0.0937 | 0.1094 | 0.0230 | 0.0310 | R 144J | R 144JZZ | FR 144J | FR 144JZZ | |
0.1250 | 0.2500 | 0.2960 | 0.0937 | 0.1094 | 0.0230 | 0.0310 | R 144 | R 144ZZ | FR 144 | FR 144ZZ | |
0.1250 | 0.3125 | 0.3590 | 0.1094 | 0.1406 | 0.0230 | 0.0310 | R 2-5 | R 2-5ZZ | FR 2-5 | FR 2-5ZZ | |
0.1250 | 0.3750 | 0.4220 | 0.1094 | 0.1406 | 0.0230 | 0.0310 | R 2-6 | R 2-6ZZ | FR 2-6 | FR 2-6ZZ | |
0.1250 | 0.3750 | 0.4400 | 0.1562 | 0.1562 | 0.0300 | 0.0300 | R 2 | R 2ZZ | FR 2 | FR 2ZZ | |
0.1250 | 0.5000 | 0.1719 | 0.1719 | R 2A | R 2AZZ | ||||||
0.1562 | 0.3125 | 0.3590 | 0.1094 | 0.1250 | 0.0230 | 0.0360 | R 155 | R 155ZZ | FR 155 | FR 155ZZ | |
0.1875 | 0.3125 | 0.3590 | 0.1094 | 0.1250 | 0.0230 | 0.0360 | R 156 | R 156ZZ | FR 156 | FR 156ZZ | |
0.1875 | 0.3750 | 0.4220 | 0.1250 | 0.1250 | 0.0230 | 0.0310 | R 166 | R 166ZZ | FR 166 | FR 166ZZ | |
0.1875 | 0.5000 | 0.5650 | 0.1960 | 0.0420 | FR 3 | ||||||
0.1875 | 0.5000 | 0.5650 | 0.1562 | 0.1960 | 0.0420 | R 3 | R 3ZZ | 2RS |
|||
0.1875 | 0.6250 | 0.1960 | 0.1960 | R 3A | R 3AZZ | 2RS |
|||||
0.2500 | 0.3750 | 0.4220 | 0.1250 | 0.1250 | 0.0230 | 0.0360 | R 168 | R 168ZZ | FR 168 | FR 168ZZ | |
0.2500 | 0.5000 | 0.5470 | 0.1250 | 0.1875 | 0.0230 | 0.0450 | R 188 | R 188ZZ | FR 188 | FR 188ZZ | 2RS |
0.2500 | 0.6250 | 0.6900 | 0.1960 | 0.1960 | 0.0420 | 0.0633 | R 4 | R 4ZZ | FR 4 | FR 4ZZ | 2RS |
0.2500 | 0.7500 | 0.2188 | 0.2812 | R 4A | R 4AZZ | 2RS |
|||||
0.3125 | 0.5000 | 0.5470 | 0.1562 | 0.1562 | 0.0310 | 0.0310 | R 1810 | R 1810ZZ | FR 1810 | FR 1810ZZ | |
0.3750 | 0.8750 | 0.9690 | 0.2188 | 0.2512 | 0.0620 | 0.0620 | R 6 | R 6ZZ | FR 6 | FR 6ZZ | 2RS |
Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes
In today’s highly compact and sophisticated machinery, the demand for precision components operating in confined spaces is ever-increasing. Among these, Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes stand out as critical elements, enabling smooth and efficient operation in a vast array of miniature applications. These specialized bearings are designed with specific imperial dimensions (inch sizes) and are characterized by their small external diameters, bores, and widths, making them indispensable for intricate mechanical systems.
What are Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes?
Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes are a type of rolling-element bearing featuring a single row of balls positioned within deep raceway grooves on both the inner and outer rings. What distinguishes them is their adherence to imperial measurement standards (inches) for their dimensions and their significantly reduced size. This compact design allows them to manage both radial and axial loads efficiently, even in applications where space is at a premium. Their deep raceway grooves provide a larger contact area between the balls and raceways, contributing to their high load-carrying capacity and superior performance for their size.
Applications for Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes
The versatility and compact nature of Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes make them ideal for a wide range of precision applications across numerous industries. Their ability to operate at high speeds with low friction and noise is crucial in these contexts.
Common applications include:
- Medical Devices: Surgical instruments, dental equipment, diagnostic apparatus, and miniature pumps where precision and reliability are paramount.
- Robotics: Small robotic arms, grippers, and actuator mechanisms requiring smooth, precise movements in limited spaces.
- Instrumentation: Scientific instruments, measuring devices, sensors, and optical equipment demanding high accuracy and minimal friction.
- Computer Peripherals: Hard drives, printers, scanners, and cooling fans where quiet operation and compact design are essential.
- Aerospace & Defense: Gyroscopes, avionics, and control systems within small aircraft or drones.
- Model Making & Hobby: RC cars, miniature engines, and other high-precision hobbyist equipment.
- Small Motors & Gearboxes: For consumer electronics, power tools, and other compact drive systems.
Types of Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes
While all Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes share a fundamental design, variations exist to suit specific operational environments and requirements. These variations primarily revolve around shielding, sealing, and material composition.
- Open Type (Unshielded/Unsealed): These bearings lack shields or seals, making them suitable for applications where lubrication is constantly supplied or where the environment is clean. They offer the lowest friction but are vulnerable to contamination.
- Shielded Type (ZZ or 2Z): Equipped with metal shields on both sides, these bearings prevent larger contaminants from entering the raceway while retaining grease. They are ideal for applications with moderate contamination and offer good protection without significant friction increase.
- Sealed Type (2RS, 2RSR, DDU): Featuring rubber seals on both sides, these bearings provide superior protection against dust, dirt, and moisture ingress. The seals also retain lubricant effectively, extending bearing life in harsher environments, though at a slight increase in friction.
- Flanged Bearings: These bearings have a flange on the outer ring, allowing for easier mounting and precise axial positioning in certain applications.
Mechanics of Different Types of Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes
The fundamental mechanics of all Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes involve the rolling elements (balls) reducing friction between moving parts. The deep groove raceways enable the bearing to support radial loads and a certain degree of axial loads in both directions.
- Open Type: The balls roll freely within the raceways, with minimal resistance from shields or seals. Lubrication is crucial and needs to be maintained externally.
- Shielded Type: The non-contacting metal shields act as a barrier, preventing solid particles from reaching the rolling elements. The small gap between the shield and the inner ring allows for relatively high-speed operation.
- Sealed Type: The contacting rubber seals create a tighter barrier, offering enhanced protection against both solid and liquid contaminants. This increased protection comes with a slight increase in frictional torque compared to open or shielded types, making them less suitable for extremely high-speed applications where minimal friction is paramount. The seal material also needs to be compatible with the operating temperature and lubricants.
- Flanged Bearings: The flange aids in mounting and provides additional support, ensuring the bearing is correctly seated and aligned, which can simplify assembly and improve the overall stability of the application.
Industries Using Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes
The compact size and reliable performance of Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes make them indispensable across a diverse range of industries:
- Electronics Industry: For consumer electronics, computer hardware, and telecommunications equipment.
- Medical & Pharmaceutical Industry: In medical instruments, laboratory equipment, and drug delivery systems.
- Aerospace & Defense Industry: For precision components in aircraft instrumentation, guidance systems, and satellite equipment.
- Robotics & Automation: In precision robots, automated assembly lines, and motion control systems.
- Optics & Imaging: For cameras, microscopes, telescopes, and other optical instruments requiring smooth, precise movements.
- Jewelry Making & Watchmaking: In delicate mechanisms requiring miniature, high-precision components.
- Research & Development: For prototypes and specialized machinery where compact, reliable motion is needed.
Buy Genuine Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes from www.bearings.co.th
When it comes to sourcing critical components like Single Row Deep Groove Ball Bearings – Miniature – Inch Sizes, authenticity and quality are paramount. At www.bearings.co.th, we are committed to providing only genuine, high-performance bearings from world-renowned manufacturers. As an authorized distributor for leading brands, we guarantee the integrity and reliability of every product.