SA055CPO Bore 5.5 Inch, Imperial Open Type C, Radial Contact Ball Bearings
The SA055CPO Thin-section deep-groove ball bearings are primarily used in applications where space is limited, weight reduction is required, and loads are moderate. Typical applications include industrial robots (such as joints and end-effectors), semiconductor manufacturing equipment, medical imaging equipment (CT scanner gantries), optical trackers, radar antennas, packaging machinery spindles, and lightweight aerospace transmission mechanisms. They are capable of supporting both radial and bidirectional axial loads.
The SA055CPO bearing is a Inch Open Type C Radial Contact Ball Bearings with an inner diameter of 5.5 inch , an outer diameter of 6 inch, a width of 0.25 inch. It typically uses ISO Class NORMAL / ABEC-1 grade precision tolerances and AISI 52100 Steel rings, AISI 52100 Steel rolling mlement. Its dynamic radial rated load is approximately 685 N, its static radial rated load is approximately 1750 N. Open (No seal) type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: KAYDON KDY.KA055CP0, SILVERTHIN SA055CP0, SKF FPCA508, FAG L10QA508, NSK NBC13906, INA CSCA055, SSB RA055CP0, NTN KRA055
SA055CPO bearings ( 5.5 inch x 6 inch x 0.25 inch) have the advantages of Extremely compact, lightweight design, composite load-bearing capacity, high rigidity, and flexible installation, and are therefore widely used in the Robots, semiconductor equipment, medical instruments, radar antennas, and aerospace precision mechanisms.
| Part Number | SA055CPO |
| Bore | Cylindrical |
| Balls | standard 1/8" balls |
| Bearing Type | Inch Open Type C Radial Contact Ball Bearings |
| Cage | Brass; snapover separator |
| Series | SA SERIES 1/4" X 1/4" |
| Race Width Tolerance | +0.000 -0.005" |
| Temperature - T(min) [°C] | -30 |
| Temperature - T(max) [°C] | 110 |
| Seal type | Open (No seal) |
| Units | Inch |
| Load | radial, axial, moment and combined loads |
| Rolling Element Type | Balls |
| Ball Material | AISI 52100 Steel |
| Rolling Element Material | AISI 52100 Steel |
| Precision Class | ISO Class NORMAL / ABEC-1 |
| Equivalent | KAYDON KDY.KA055CP0 SILVERTHIN SA055CP0 SKF FPCA508 FAG L10QA508 NSK NBC13906 INA CSCA055 SSB RA055CP0 NTN KRA055 |
| Interchangeable | SILVER THIN SA055CPO |
| Rows NO. | One |
| L1 Land Diameter [inch] | 5.686 |
| L2 Land Diameter [inch] | 5.814 |
| Fillet radius (Note 2) max | 0.025" |
| RADIAL DYNAMIC [lbf] | 685 |
| RADIAL STATIC [lbf] | 1750 |
| APPROX WEIGHT [lb] | 0.25 |
The SA055CPO Thin-section deep groove ball bearings mainly consist of a thin-walled inner ring, a thin-walled outer ring, steel balls, and a cage. Their cross-sectional dimensions are constant and extremely thin, typically conforming to ISO 12240 standards, and are available in open or sealed configurations.
Thin-section deep groove ball bearings utilize a thin-walled constant cross-section design, resulting in lightweight construction and a small footprint, significantly reducing the overall weight and size of equipment. They can simultaneously withstand radial and bidirectional axial loads, exhibiting low friction and high-speed characteristics, and are easy to install, making them suitable for light to medium load conditions.
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