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Rod end bearings, also known as heim joints or rose joints, are mechanical components used to provide rotational and oscillating movement between two linked components. They transfer motion and load in industrial and automotive systems.
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A Rod End Bearing consists of a spherical plain bearing and an eye-shaped body with an integral shank. The spherical plain bearing is a self-aligning bearing that allows angular misalignment between the shank and the bore. The bearing is often composed of an inner ring with a spherical convex outside diameter and an outer ring with a matching concave inside diameter.
The shank of the Rod End is threaded, which facilitates mounting and adjustment. The opposite end of the shank has a hole or ball socket where a bolt or another linkage element can be attached.
There are various types of rod end bearings, each designed for specific applications and load capacities.
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POS features a male-threaded shank and is used when the rod end needs to be threaded into a component. POS is composed of a steel inner ring and a bronze outer ring spherical sliding bearing. It has self-lubrication performance, wear resistance, shock resistance, corrosion resistance, and abrasion resistance.
POS Series
|
Bearing No. |
d |
S JIS 2 Grade |
L |
Weight(g) |
|---|---|---|---|---|
| POS 5 | 5 | M5x0.8 | 41 | 12.5 |
| POS 6 | 6 | M6x1 | 45 | 19 |
| POS 8 | 8 | M8x1.25 | 53 | 32 |
| POS 10 | 10 | M10x1.5 | 61 | 54 |
| POS 12 | 12 | M12x1.75 | 69 | 85 |
| POS 14 | 14 | M14x2 | 77 | 126 |
| POS 16 | 16 | M16x2 | 85 | 185 |
| POS 18 | 18 | M18x1.5 | 93 | 260 |
| POS 20 | 20 | M20x1.5 | 101 | 340 |
| POS 22 | 22 | M22x1.5 | 109 | 435 |
| POS 25 | 25 | M24x2 | 124 | 650 |
| POS 30 | 30 | M30x2 | 145 | 1070 |
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PHS has a female-threaded bore and is suitable for applications where a bolt or stud is inserted into the rod end. Its inner and outer rings are made of high-carbon chromium bearing steel and undergo processes such as quenching, grinding, and coating.
PHS Series
|
Bearing No. |
d |
S JIS 2 Grade |
L |
Weight(g) |
|---|---|---|---|---|
| PHS 5 | 5 | M5X0.8 | 35 | 16.5 |
| PHS 6 | 6 | M6X1 | 39 | 25 |
| PHS 8 | 8 | M8X1.25 | 47 | 43 |
| PHS 10 | 10 | M10X1.5 | 56 | 72 |
| PHS 12 | 12 | M12X1.175 | 65 | 107 |
| PHS 14 | 14 | M14X2 | 74 | 160 |
| PHS 16 | 16 | M16X2 | 83 | 210 |
| PHS 18 | 18 | M18X1.5 | 92 | 295 |
| PHS 20 | 20 | M20X1.5 | 100 | 380 |
| PHS 22 | 22 | M22X1.5 | 109 | 490 |
| PHS 25 | 25 | M24X2 | 124 | 750 |
| PHS 30 | 30 | M30X2 | 145 | 1130 |
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GE spherical plain bearings consist of an inner ring with a convex spherical outer diameter and an outer ring with a corresponding concave spherical inner diameter. They are designed for slow motion applications and can adapt to misalignment and reciprocating swing conditions.
GE Series
|
Bearing No. |
Bore(d)(mm) |
Outer(D)(mm) |
Width(B)(mm) |
Weight(g) |
|---|---|---|---|---|
| GE4E | 4 | 12 | 3 | 3.3 |
| GE5E | 5 | 14 | 4 | 3.8 |
| GE6E | 6 | 14 | 4 | 4.2 |
| GE8E | 8 | 16 | 5 | 7.5 |
| GE10E | 10 | 19 | 6 | 11 |
| GE12E | 12 | 22 | 7 | 17 |
| GE15E | 15 | 26 | 9 | 32 |
| GE17ES | 17 | 30 | 10 | 49 |
| GE20ES | 20 | 35 | 12 | 65 |
| GE25ES | 25 | 42 | 16 | 115 |
| GE30ES | 30 | 47 | 18 | 160 |
| GE35ES | 35 | 55 | 20 | 258 |
| GE40ES | 40 | 62 | 22 | 315 |
| GE45ES | 45 | 68 | 25 | 413 |
| GE50ES | 50 | 75 | 28 | 560 |
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RBH bearings are made of high-carbon chromium bearing steel and undergo processes such as quenching, grinding, and coating. Their inner and outer ring design is optimized, and coating technology is used to enhance hardness and wear resistance.
Maintenance-free rod ends are equipped with self-lubricating materials and reduce the need for frequent maintenance in hard-to-reach or harsh environments.
RBH Series
|
Bearing No. |
d |
S JIS 2 Grade |
L |
Weight(g) |
|---|---|---|---|---|
| RBH 5 | 5 | M5x0.8 | 7.7 | 16 |
| RBH 6 | 6 | M6x1 | 9 | 21 |
| RBH 8 | 8 | M8x1.25 | 10.4 | 43 |
| RBH 10 | 10 | M10x1.5 | 12.9 | 68 |
| RBH 12 | 12 | M12x1.75 | 15.4 | 100 |
| RBH 14 | 14 | M14x2 | 16.9 | 142 |
| RBH 16 | 16 | M16x2 | 19.4 | 185 |
| RBH 18 | 18 | M18x1.5 | 21.9 | 265 |
| RBH 20 | 20 | M20x1.5 | 24.4 | 334 |
| RBH 22 | 22 | M22x1.5 | 25.8 | 454 |
Rod end bearings are used in a wide range of industries because they can handle complex motion requirements.
Rod end bearings are used in suspension systems, allowing controlled movement and articulation of control arms, sway bars, and tie rods.
In aerospace, rod end bearings are used in control systems for aircraft ailerons, elevators, and rudders.
Rod end bearings are employed in robotic arms, packaging machines, and conveyor systems to facilitate smooth and precise motion.
They are used in power generation equipment such as wind turbines, allowing the adjustment of blade angles and pitch control mechanisms.
Rod end bearings are found in marine equipment such as boat steering systems and sail control systems.
In high-performance vehicles and racing cars, rod end bearings are used in suspension linkages and other dynamic components.
When selecting a rod end bearing for a specific application, mentions load capacity, misalignment requirements, and environmental conditions. Also includes bore diameter, outside diameter, width, ball material, thread size and type, load capacity, lubrication, and application fields.
Why is ISK BEARINGS frequently chosen as the specified bearing brand by major international companies?
As a bearing manufacturers, we have established an IATF16949-certified factory in Ningbo to ensure the highest quality of our products, which comply with RoHS, REACH, and SGS standards.
Discover more about the features and applications of various bearings.
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