SD080ARO Bore 8 Inch, Imperial Open Type A, Angular Contact Ball Bearings
The SD080ARO Thin-section angular contact ball bearings are primarily used in applications with stringent requirements for weight, space, and precision, such as aerospace gyroscopes, robotic joints, medical CT scanner gantries, machine tool spindles, semiconductor manufacturing equipment, optical instruments (e.g., telescopes), and precision rotary tables.
The SD080ARO bearing is a Inch Open Type A Angular Contact Ball Bearings with an inner diameter of 8 inch , an outer diameter of 9 inch, a width of 0.5 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 2625 N, its static radial rated load is approximately 6710 N. Its dynamic axial rated load is approximately 28956 N, its static axial rated load is approximately 86202 N. Open (No seal) type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: KAYDON KDY.KD080AR0, SILVERTHIN SD080AR0, SKF FPAD800, FAG L15TA800, NSK NBA20312, INA CSAD080, SSB RD080AR0, NTN KYD080
SD080ARO bearings ( 8 inch x 9 inch x 0.5 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 Robot joints, aerospace, semiconductor equipment, medical instruments and optoelectronic turntables.
| Part Number | SD080ARO |
| Bore | Cylindrical |
| Balls | standard 1/4" balls |
| Bearing Type | Inch Open Type A Angular Contact Ball Bearings |
| Cage | Brass; one piece pocket separator |
| Series | SD SERIES 1/2" X 1/2" |
| Race Width Tolerance | +0.000 -0.005" |
| Contact angle [°] | 30 |
| 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.KD080AR0 SILVERTHIN SD080AR0 SKF FPAD800 FAG L15TA800 NSK NBA20312 INA CSAD080 SSB RD080AR0 NTN KYD080 |
| Interchangeable | SILVER THIN SD080ARO |
| Rows NO. | One |
| L1 Land Diameter [inch] | 8.37 |
| L2 Land Diameter [inch] | 8.63 |
| L3 Land Diameter [inch] | 8.734 |
| Fillet radius (Note 2) max | 0.060" |
| RADIAL DYNAMIC [lbf] | 2625 |
| RADIAL STATIC [lbf] | 6710 |
| THRUST DYNAMIC [lbf] | 6509 |
| THRUST STATIC [lbf] | 19378 |
| APPROX WEIGHT [lb] | 1.53 |
The SD080ARO Thin-section angular contact 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, with contact angles typically of 15°, 25°, or 30°, making them suitable for space-constrained installations.
Thin-section angular contact ball bearings utilize a thin-walled, constant cross-section design, resulting in lightweight construction and a small footprint, effectively reducing the overall weight of equipment. They can simultaneously withstand radial and axial loads, possessing high rigidity, high-speed capability, and good positioning accuracy, and are easy to install.
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