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Constant Section (CS) Bearings
Constant section (CS) bearings are a type of thin section bearing that maintains a consistent cross-section regardless of bore size, offering uniform performance across various applications. These bearings are widely used in wind turbines, medical imaging equipment, and industrial machinery.
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Total 1723 Results
Part Number
Interchangeable
System of Measurement
For Load Direction
Bore Dia
Outer Dia
Width
Static Radial Load
Static Thrust Load
Weight
price（$）
S09003XS0
KAYDON
Metric
Four Point Contact
90 mm
96 mm
2.5 mm
406 lbf
180 lbf
13.0 g
276.36
J09008CP0
KAYDON
Metric
Radial
90 mm
106 mm
8 mm
2114 lbf
0.13 Kg
71.49
J09008XP0
KAYDON
Metric
Four Point Contact
90 mm
106 mm
8 mm
2114 lbf
5289 lbf
0.13 Kg
73.72
K09008AR0
KAYDON
Metric
Angular Contact
90 mm
106 mm
8 mm
2507 lbf
2606 lbf
0.13 Kg
74.06
K09008CP0
KAYDON
Metric
Radial
90 mm
106 mm
8 mm
2114 lbf
0.13 Kg
62.17
K09008XP0
KAYDON
Metric
Four Point Contact
90 mm
106 mm
8 mm
2114 lbf
5289 lbf
0.13 Kg
64.11
K09013AR0
KAYDON
Metric
Angular Contact
90 mm
116 mm
13 mm
3948 lbf
4828 lbf
0.31 Kg
69.62
K09013CP0
KAYDON
Metric
Radial
90 mm
116 mm
13 mm
3419 lbf
0.29 Kg
58.43
K09013XP0
KAYDON
Metric
Four Point Contact
90 mm
116 mm
13 mm
3419 lbf
8549 lbf
0.31 Kg
64.01
K09020AR0
KAYDON
Metric
Angular Contact
90 mm
130 mm
20 mm
6664 lbf
8966 lbf
0.77 Kg
92.58
K09020CP0
KAYDON
Metric
Radial
90 mm
130 mm
20 mm
5452 lbf
0.8 Kg
77.71
K09020XP0
KAYDON
Metric
Four Point Contact
90 mm
130 mm
20 mm
5452 lbf
13626 lbf
0.08 Kg
80.13
S10003AS0
KAYDON
Metric
Angular Contact
100 mm
106 mm
2.5 mm
242 lbf
15.0 g
339.72
S10003CS0
KAYDON
Metric
Radial
100 mm
106 mm
2.5 mm
265 lbf
15.0 g
272.94
Consistent Cross-Section Across Sizes
The defining characteristics of constant section (CS) bearings is their fixed radial cross-section (the dimension between the bore and the outer diameter, and the width), which remains almost constant within a variety of bore diameter ranges in a specific series.
Unlike standard bearings where the cross-section increases with bore size, this “constant bearing” characteristic ensures predictable dimensions regardless of the shaft size chosen from that series, simplifying multi-shaft system designs.
Optimized Space Utilization
The constant section (CS) bearings design excels in applications in the limited space (particularly radial space), but varying shaft sizes might be needed.
Because the cross-section doesn’t grow significantly with the bore, designers can accommodate larger shafts without increasing the housing diameter or overall machine envelope.
If you need to upgrading shaft capacity within an existing design footprint, or standardizing housing components across different models, the constant section (CS) bearing will be your ideal choice.
Simplified Design and Inventory
In constant section (CS) bearings, the “constant” of the cross-section simplifies the design process. Engineers can often utilize similar or identical housing bore dimensions for multiple shaft sizes within the same CS bearing series.
This standardisation can lead to reduced design complexity, easier manufacturing setups, and potentially lower inventory costs, because a series of products may only require a relatively small number of relevant unique components (such as casings or seals).
FREQUENTLY ASKED QUESTIONS
What's the main difference between Constant Section and standard bearings?
The key difference is how the cross-section behaves as the bore size changes within a series.
Constant section (CS) bearings maintain a nearly identical cross-section, while standard bearings have a cross-section that increases with the bore diameter.
Are Constant Section bearings always "thin"?
While many Constant Section (CS) Bearings are also thin section bearings (small cross-section relative to bore), the term "constant section" specifically emphasizes the consistency of that cross-section across different sizes, not just its absolute thinness.
What applications benefit most from Constant Section bearings?
Applications requiring compact design across multiple, similar machines with varying shaft sizes, or where standardizing housing components is advantageous. Examples include robotics, semiconductor equipment, and medical devices.
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