S07403XS0 Bore 74 Mm, 4-Point Contact Type X, ULTRA-SLIM Series Bearings
The S07403XS0 Thin-section four-point contact ball bearings are widely used in fields with stringent space and precision requirements, including: industrial robots (wrist and elbow joints), medical equipment (CT scanner rotating frames, surgical robots), aerospace (satellite antenna drive mechanisms), semiconductor equipment (wafer handling robotic arms), optical instruments (laser trackers, precision rotary tables), and precision machine tools (rotary worktables).
The S07403XS0 bearing is a Thin-section bearings with an inner diameter of 74 mm , an outer diameter of 80 mm, a width of 2.5 mm. It typically uses Precision Class 1 (ABEC 1F) standard grade precision tolerances and Stainless steel rings, Stainless steel rolling mlement. Its dynamic radial rated load is approximately 942 N, its static radial rated load is approximately 1481 N. open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
S07403XS0 bearings ( 74 mm x 80 mm x 2.5 mm) have the advantages of Extremely compact, lightweight design, composite load-bearing capacity, high rigidity, and flexible installation, and are therefore widely used in the Robotics, aerospace, semiconductor equipment, medical instruments and optoelectronic turntables.
| Part Number | S07403XS0 |
| Reference From | Kaydon S07403XS0 |
| Manufacturer Part Code | S07403XS0 |
| Series | 4-Point Contact Type X |
| Separator | S = Helical coil spring, stainless steel separator |
| Thin section bearings type | ULTRA-SLIM Series Bearings |
| Balls | Full complement or ball spacer ball 1/16" (inch) |
| Rolling bearing type | Four-point contact ball bearing (type X) |
| Seal | open |
| Cage | Without |
| Type | X = Four-Point Contact |
| α Contact angle [°] | 30 ° |
| Unit of measurement | Metric |
| Precision | Precision Class 1 (ABEC 1F) standard |
| Ring | AISI 440C stainless steel |
| Contact type | Four-point contact |
| Races/Balls Material | S = AISI 440C stainless steel rings and balls, no seals (open) |
| Weight [lb] | 0 |
| d φ Inside [inch] | 2.913 |
| D Φ Outside [inch] | 3.150 |
| B Width [inch] | 0.098 |
| H Radial cross section [inch] | 0.118 |
| L1 Land Dia. [inch] | 3.000 |
| L2 Land Dia. [inch] | 3.063 |
| F chamfer [inch] | 0.010 |
| Fa Loading Limits Thrust [N] | 853 |
| FM Loading Limits Moment [N-m] | 13.4 |
The S07403XS0 Thin-section four-point contact ball bearings are mainly composed of a thin-walled inner ring, a thin-walled outer ring, steel balls, and a cage. The raceway has a Gothic arch shape, and the steel balls form four-point contact with the inner and outer rings. The cross-sectional dimensions are constant and extremely thin.
Thin-section four-point contact ball bearings utilize a thin-walled constant cross-section design, resulting in lightweight construction and a small footprint. A single bearing can simultaneously withstand radial loads, bidirectional axial loads, and overturning moments. They possess high rigidity, high-speed capability, and are easy to install, making them a viable replacement for traditional combined bearings.
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