Machined Brass Cage BRSA400SVDBCP100 High-Accuracy Low-Profile Angular Contact Ball Bearings
The BRSA400SVDBCP100 Ultra-precision angular contact ball bearings are widely used in machine tool spindles (machining centers, lathes), high-speed electric spindles, ball screw support mechanisms, humanoid robot rotary joints, eVTOL gas turbine generators, and low-altitude aircraft drive systems.
The BRSA400SVDBCP100 bearing is a High-Accuracy Low-Profile Angular Contact Ball Bearings with an inner diameter of 400 mm , an outer diameter of 500 mm, a width of 62 mm. It typically uses P5 (ABEC-5) grade precision tolerances and S = SUJ2 or SUJ3 rings, SUJ2 rolling mlement. Its dynamic axial rated load is approximately 138606 N, its static axial rated load is approximately 829638 N. V = Non-contact rubber seal on one side type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
BRSA400SVDBCP100 bearings ( 400 mm x 500 mm x 62 mm) have the advantages of High speed, ultra-precision, high rigidity, low operating friction, and long service life, and are therefore widely used in the Machine tool spindles, high-speed motors, ball screws, industrial robots and precision rotating equipment.
| Part Number | BRSA400SVDBCP100 |
| Bearing Type | High-Accuracy Low-Profile Angular Contact Ball Bearings |
| Contact angle - α | 35 ° |
| Type | BRSA |
| Preload | CP = Special preload gap |
| Arrangement row | Two |
| Arrangement | DB = Back-to-back (<>) |
| Bearing Mass - m [lb] | 33.9508 |
| Dynamic Axial - Ca [lbf] | 31158 |
| Static Axial - C0a [lbf] | 186502 |
| Limiting static axial load [lbf] | 49737 |
| Speed ratings (grease) - nB | 80 min–1 |
| Preload [lbf] | 24852 |
| Axial Rigidity | 7180 N/µm |
| Radial rigidity | 5275 N/µm |
| Moment Rigidity | 209857 N･m/mrad |
| Dimension | |
| d φ Inside [inch] | 15.7480 |
| D Φ Outside [inch] | 19.6850 |
| 2B Total Width [inch] | 2.4409 |
| r min Chamfer [inch] | 0.0433 |
| Abutment Dimensions | |
| Db max [inch] | 19.4094 |
| da min [inch] | 16.0236 |
| ra max [inch] | 0.0394 |
| rb max [inch] | 0.0394 |
The BRSA400SVDBCP100 Ultra-precision angular contact ball bearings are primarily composed of high-precision bearing steel inner and outer rings, steel balls (ceramic balls or EQTF? ultra-long life steel balls optional), and a cage. Contact angles are available in various specifications including 15°, 18°, 25°, 30°, and 40°. Cages are available in polyamide resin (TYN), phenolic resin (TR), and copper alloy materials.
Ultra-precision angular contact ball bearings utilize Robust series technology, achieving low heat generation and ultra-high speeds through optimized internal dimensional design. Using the independently developed SHX heat-resistant steel material, rolling fatigue life is extended to four times that of SUJ2 material, and high-speed performance is improved by 20%. Employing oil-air lubrication SpinShot II technology, speeds up to 40,000 rpm in the NT#40 class, with noise reduction of 3-5 dB.
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