Product Description
SI…PK Series Rod Ends is same as NHS Series Rod Ends,they are belong to maintenance-free Rod Ends bearing. The rod end body is equipped with a left-hand or right-hand internal thread. The rod end body is formed by extrusion and the surface of the rod end body is galvanized. And The outer sphere is lined with PTFE synthetic material.
PRODUCTS CATALOGUE
| Part No: | Dimension | Torque Kgf/cm | Load Rating(KN) | Weight | |||||||||||||||
| d | d1 | B | a | C1 | d2 | G | h1 | L4 | L3 | d4 | d5 | L5 | W | Cr | Cor | g | |||
| SI3PK | NHS-3 | 3 | 6.8 | 6 | 11 | 4.5 | 12 | M3x0.5 | 21 | 27 | 10 | 6.5 | 8 | 3 | 7 | 0.2~3.5 | 10 | ||
| SI4PK | NHS-4 | 4 | 7.6 | 7 | 12 | 5.25 | 14 | M4x0.7 | 24 | 31 | 12 | 8 | 9.5 | 4 | 8 | 0.2~3.5 | 12 | ||
| SI5PK | NHS-5 | 5 | 7.7 | 8 | 12 | 6 | 16 | M5x0.8 | 27 | 35 | 14 | 9 | 12 | 4 | 9 | 0.2~3.5 | 5.7 | 6 | 16 |
| SI6PK | NHS-6 | 6 | 9 | 9 | 10 | 6.75 | 18 | M6x1 | 30 | 39 | 14 | 10 | 13 | 5 | 11 | 0.2~3.5 | 7.2 | 7.65 | 25 |
| SI8PK | NHS-8 | 8 | 10.4 | 12 | 12 | 9 | 22 | M8x1.25 | 36 | 47 | 17 | 13 | 16 | 5 | 14 | 0.2~3.5 | 11.6 | 12.9 | 43 |
| SI10PK | NHS-10 | 10 | 12.9 | 14 | 12 | 10.5 | 26 | M10x1.5 | 43 | 56 | 21 | 15 | 19 | 6.5 | 17 | 0.2~3.5 | 14.5 | 18 | 72 |
| SI12PK | NHS-12 | 12 | 15.4 | 16 | 12 | 12 | 30 | M12x1.75 | 50 | 65 | 24 | 18 | 22 | 6.5 | 19 | 0.2~3.5 | 17 | 24 | 107 |
| SI14PK | NHS-14 | 14 | 16.9 | 19 | 14 | 13.5 | 34 | M14x2 | 57 | 74 | 27 | 20 | 25 | 8 | 22 | 0.2~3.5 | 24 | 31 | 160 |
| SI16PK | NHS-16 | 16 | 19.4 | 21 | 13 | 15 | 38 | M16x2 | 64 | 83 | 33 | 22 | 27 | 8 | 22 | 0.2~3.5 | 28.5 | 39 | 210 |
| SI18PK | NHS-18 | 18 | 21.9 | 23 | 14 | 17 | 42 | M18x1.5 | 71 | 92 | 36 | 25 | 31 | 10 | 27 | 0.2~3.5 | 42.5 | 47.5 | 295 |
| SI20PK | NHS-20 | 20 | 24.4 | 25 | 12 | 18 | 46 | M20x1.5 | 77 | 100 | 40 | 27.5 | 34 | 10 | 32 | 0.2~3.5 | 42.5 | 57 | 380 |
SA…PK Series
| Part No: | Dimension | Torque Kgf/cm | Load Rating(KN) | Weight | |||||||||||
| d | d1 | B | a | C1 | d2 | G | h1 | L4 | L3 | Cr | Cor | g | |||
| SA3PK | NOS-3 | 3 | 6.8 | 6 | 11 | 4.5 | 12 | M3x0.5 | 27 | 33 | 15 | 0.2~3.5 | 6 | ||
| SA4PK | NOS-4 | 4 | 7.6 | 7 | 12 | 5.3 | 14 | M4x0.7 | 30 | 37 | 17 | 0.2~3.5 | 10 | ||
| SA5PK | NOS-5 | 5 | 7.7 | 8 | 12 | 6 | 16 | M5x0.8 | 33 | 41 | 20 | 0.2~3.5 | 5.7 | 6 | 12 |
| SA6PK | NOS-6 | 6 | 9 | 9 | 10 | 6.8 | 18 | M6x1 | 36 | 45 | 22 | 0.2~3.5 | 7.2 | 7.65 | 19 |
| SA8PK | NOS-8 | 8 | 10.4 | 12 | 12 | 9 | 22 | M8x1.25 | 42 | 53 | 25 | 0.2~3.5 | 11.6 | 12.9 | 32 |
| SA10PK | NOS-10 | 10 | 12.9 | 14 | 12 | 10.5 | 26 | M10x1.5 | 48 | 61 | 29 | 0.2~3.5 | 14.5 | 18 | 54 |
| SA12PK | NOS-12 | 12 | 15.4 | 16 | 12 | 12 | 30 | M12x1.75 | 54 | 69 | 33 | 0.2~3.5 | 17 | 24 | 85 |
| SA14PK | NOS-14 | 14 | 16.9 | 19 | 14 | 13.5 | 34 | M14x2 | 60 | 77 | 36 | 0.2~3.5 | 24 | 31 | 126 |
| SA16PK | NOS-16 | 16 | 19.4 | 21 | 13 | 15 | 38 | M16x2 | 66 | 85 | 40 | 0.2~3.5 | 28.5 | 39 | 185 |
| SA18PK | NOS-18 | 18 | 21.9 | 23 | 14 | 17 | 42 | M18x1.5 | 72 | 93 | 44 | 0.2~3.5 | 42.5 | 47.5 | 258 |
| SA20PK | NOS-20 | 20 | 24.4 | 25 | 12 | 18 | 46 | M20x1.5 | 78 | 101 | 47 | 0.2~3.5 | 42.5 | 57 | 340 |
| SA22PK | NOS-22 | 22 | 25.8 | 28 | 13 | 20 | 50 | M22x1.5 | 84 | 109 | 51 | 0.2~3.5 | 57 | 68 | 435 |
| SA25PK | NOS-25 | 25 | 29.6 | 31 | 14 | 22 | 56 | M24x2 | 94 | 122 | 57 | 0.2~3.5 | 68 | 85 | 730 |
| SA28PK | NOS-28 | 28 | 32.3 | 35 | 16 | 26 | 66 | M27x2 | 110 | 143 | 66 | 0.2~3.5 | 1000 | ||
| SA30PK | NOS-30 | 30 | 34.8 | 37 | 16 | 26 | 66 | M30x2 | 110 | 143 | 66 | 0.2~3.5 | 1320 | ||
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| Rolling Element: | Single Row |
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| Structure: | Rod End |
| Material: | Bearing Steel |
| Samples: |
US$ 4/Set
1 Set(Min.Order) | Order Sample |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Differences Between Male and Female Threaded Rod End Bearings
Male and female threaded rod end bearings differ in their design and applications:
Male Threaded Rod End Bearings:
– Male rod end bearings have external threads on the shank or body of the bearing.
– They are typically used in applications where the bearing is mounted to a stationary component, and the threaded shank extends to connect with a mating part (e.g., a linkage or control arm).
– Male rod end bearings allow for easy adjustment or fine-tuning of the connection.
– These bearings are suitable for applications requiring controlled movement or positioning, where the bearing’s external threads facilitate precise adjustments.
Female Threaded Rod End Bearings:
– Female rod end bearings have an internal (female) threaded bore inside the housing.
– They are used when a bolt, stud, or shaft with external threads needs to be connected to the bearing’s housing.
– Female rod end bearings are often employed in applications where the bearing needs to rotate around a fixed shaft or bolt, providing articulation and misalignment capabilities.
– These bearings allow for the attachment of a variety of external components, making them versatile for different applications.
The choice between male and female threaded rod end bearings depends on the specific requirements of the application, including whether the bearing needs to be attached to a stationary part or connected to an external threaded component and the level of adjustability and articulation needed.
Contribution of Rod End Bearings to Smooth Movement in Automotive Control Systems
Rod end bearings play a crucial role in ensuring the smooth movement of control systems in various automotive applications. Here’s how they contribute:
1. Steering Systems:
Rod end bearings are used in steering linkages and tie rod ends. They provide the necessary articulation and pivoting to allow the front wheels to turn smoothly, enabling precise steering control. The low friction and high load-bearing capacity of rod end bearings contribute to responsive and accurate steering in both manual and power steering systems.
2. Suspension Systems:
In suspension systems, rod end bearings are used in components like control arms and stabilizer links. They allow for controlled movement of the suspension, ensuring that the vehicle’s wheels maintain optimal contact with the road surface. This contributes to a smoother and more comfortable ride, improved handling, and better traction, especially when driving over uneven or bumpy terrain.
3. Throttle and Accelerator Linkages:
Rod end bearings are employed in throttle and accelerator linkages, where they assist in transmitting pedal inputs to the engine’s throttle body. The smooth articulation provided by rod end bearings ensures that drivers can easily modulate engine power, contributing to smooth acceleration and deceleration.
4. Gear Shift Linkages:
In manual transmissions, rod end bearings are used in gear shift linkages. They enable precise and smooth gear changes by allowing for the controlled movement of the shift lever. This ensures that gears engage smoothly, reducing drivetrain shock and vibration.
5. Convertible Roof Mechanisms:
In convertible cars, rod end bearings are used in the mechanisms that operate the folding and unfolding of the convertible roof. The smooth articulation of rod end bearings contributes to the seamless transition between open and closed roof positions, enhancing the overall driving experience.
Overall, rod end bearings are integral components in automotive control systems, ensuring the smooth and precise operation of various critical functions, including steering, suspension, throttle control, gear shifting, and convertible roof movement.
Design Principles and Functions of Rod End Bearings
Rod end bearings, also known as heim joints or rose joints, are essential components in various mechanical applications, where articulation and precise control of movement are required. These bearings are designed with specific principles and functions in mind:
Design Principles:
Rod end bearings consist of a spherical plain bearing, also known as a spherical plain bushing, within a housing. The design principles are as follows:
- Spherical Plain Bearing: The heart of a rod end bearing is a spherical plain bearing. This bearing allows the inner ring to tilt and rotate in multiple directions. It consists of an inner and outer ring with a sliding layer of material in between, often made from self-lubricating materials.
- Housing: The spherical plain bearing is housed within a protective casing, typically made of metal or other durable materials. The housing provides structural support and retains the bearing components.
- Threaded Shank: The outer part of the housing is often shaped as a threaded shank, allowing for easy attachment to various mechanical components, such as linkages or control arms.
- Lubrication Fittings: Many rod end bearings have provisions for lubrication fittings to ensure smooth articulation and reduce friction.
Functions:
Rod end bearings serve several crucial functions in mechanical systems:
- Articulation: Rod end bearings provide articulation, enabling components to pivot, swivel, and move in multiple directions. This function is vital in applications requiring flexibility and control over movement.
- Angular Misalignment Compensation: They can compensate for both static and dynamic angular misalignment. This is particularly useful in situations where components may not align perfectly due to varying factors like vibration or assembly tolerances.
- Load Transmission: Rod end bearings can transmit static and dynamic loads, making them suitable for applications involving force or load transfer. They are used in machinery and equipment where precise control of loads is essential.
- Precision Movement: These bearings provide precise control and movement, making them suitable for applications where accurate positioning of mechanical components is critical. This includes industries like aerospace and robotics.
- Corrosion Resistance: Many rod end bearings are designed with corrosion-resistant materials or coatings, making them suitable for use in harsh environments, such as marine and industrial settings.
- Durability: Rod end bearings are engineered for durability, allowing them to withstand challenging conditions and heavy-duty use. This ensures their reliability and longevity in demanding applications.
- Versatility: Rod end bearings are versatile components used across various industries, including automotive, aerospace, industrial machinery, and marine applications. Their adaptability and reliability make them valuable to engineers and designers.
These design principles and functions of rod end bearings make them indispensable in a wide range of mechanical systems where articulation, load-bearing capacity, and precise control are required.
editor by CX 2024-04-04